STEAM POWERED RADIO.COM STEAM POWERED RADIO.COM YMETRIX, INC. is a world leader in professional analog and digital audio signal processing. Our products are designed to the highest standards of audio quality, reliability, and ease of use. Located in Lynnwood, WA, USA, we are a group of musicians, engineers, audiophiles, and support staff who enjoy their work immensely. For example, our six man engineering team has a collective work history of over 70 years with Symetrix and other professional audio companies. We shipped our first noise gate in 1976, almost 19 years ago! Over 100,000 units later, we can proudly say "Symetrix is in it for the long haul". Our products have gained an international following from sound professionals doing business in recording, broadcast, film & video post production, live sound, and installed systems. From major broadcast networks to private project studios, Symetrix gear is working day in and day out to get the job done. Although our customer base is broad, we're not side-tracked by trying to be all things to all people. We're focused on one and only one discipline: digital and analog signal processing. Our products are manufactured in a modern, automated state-of-the-art factory. We maintain complete control of all processes and components from initial design through final test and shipment. This ensures that a customer who chooses Symetrix undoubtedly receives the maximum in value for money spent. What's in this catalog .___~_,1;,;;;.;...._____This catalog contains inforrt:iation on our full line of professional products. We've provided detailed information including basic features, product descriptions, application suggestions and technical specifications for all products including accessories. It is our intention to provide real world solutions to your audio needs. While we have made every effort to make the information contained in the catalog as complete as possible, we stand ready to provide answers to any additional questions you may have. How to get more information Our products are distributed throughout the world by a dedicated network of representatives, dealers and distributors. In the US contact us at 1-206-787-3222 for applications information or the name of a Symetrix dealer near you. Outside of the US you will most likely find Symetrix products distributed by one of the companies listed on the inside back cover of this catalog. If your country is not included in the list, please call or FAX our headquarters directly for information on how to obtain our products in your country. Dane Butcher, President OSymetrix STEAM POWERED RADIO.COM Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 · USA · Tel: (206) 787-3222 • FAX: (206) 787-3211 •e-mail: [email protected] 620 20 Bit AID Converter 20 bit quantization; dither and noise shape Quantizaci6n de 20 bits; conformacion de oscilaci6n de pequeiia amplitud y ruido. Quantification 20 bit; noise shape et dither. 20 Bit Quantisierung; "Dither-" und "Noise Shaping". Seven seconds profanity delay; advanced DSP "time expand/ time squeeze" stereo, 14 kHz bandwidth Maximo tiempo de retardo de 7 segundos para supreslOn de menzajes de oyentes que no se desea que salgan al aire. DSP avanzado "expansor de tlempo/ reductor de tiempo'; est!reo, anchura de banda 14 kHz. Delai d'inhibition (profanity) de 7 secondes; DSP evolue, expansion et compression temporelle. 61 0 Broadcast Audio Delay Spezial-Delay tor Rundfunkanwendungen zum Ausblenden unerwOnschter Programmpas-sagen; Delayzelt max. 7.5 Sek-unden. sukzessive Regelung der Delayzeit (DSP kontrolliert, nicht wahmehmbar); Stereo, 14 kHz Bandbreite. 601/602 Stereo Digital Processors Parametric EQ, dynamics processing, delay; MIDI Amlento dinamico, delay; MIDI. EQ parametrique, traitement de dynamique, ligne de retard; MIDI. Automatic gain controller uses system speakers to sense ambient changes Controlador automatico de ganancia. Usa los altavoces para detectar cambios en el ambiente. ContrOleur de gain automatique utilise les haut-parleurs pour detecter les changements de niveau ambiant. Automatic gain controller uses microphone to sense ambient changes Controlador automatico de ganancia. Usa micr6fono para detectar cambios en el ambiente. ContrOleur de gain automatique utilise deux microphones pour detecter les changements de niveau ambiant. "Frequency conscious" gating, instantaneous attack time Circuito "sensible a la frecuencia". Tiempo de ataque instantaneo. Quadruple noise-gate/ expandeur selectif en frequence. Temps d'attaque ex1r~mement courts. EQ; dynamisches Processing; Delay; MIDI. 572 SPL Computer Automatische Verstarkungsregelung abhangig von der Umgebungslautstarke, Messung iiber Systemlautsprecher. 571 SPL Computer Automatische Verstarkungsregelung abhangig von der Umgebungslautstarke, Messung mil Sensing-Mikrofonen. 564E Quad Expander/Gate Frequezabhangiges Gate, schnelle Attackzeiten. 528E Voice Processor Mic preamp, de-esser, compressor, expander, parametric EQ • all in one . Previo de micro, de-esser, compresor, expansor, EQ parametrico-todo en uno. Preampli micro, de-esseur, compresseur, expandeur/gate, parametrique 3 bandes. Mic-Vorverstarker, De-Esser, Kompressor, Expander, parametrischer EO. 501 Peak-RMS Compressor/Limiter Procesamiento mono, simultaneo de pico y RMS. Single channel simultaneous peak and RMS processing Q ... IC • ~ lli4 m1 mz m; mi m; un 8 channel compressor/interface for digital 8-track recorders Compresor/ "interface" de 8 canales para grabadoras de 8 pistas digitales. Compresseur-limiteur mono, traitement RMS et cr~te de la modulation. Gleichzeitiges Processing auf Spitzen- und RMS-Werten. 488 DYNA-Squeeze™ Compresseur 8 canaux; permet egalement d'interfacer les enregistreurs 8 pistes. 8-Kanal Compressor/Interface fiir digitale 8-Spur-Recorder. Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA98037 • USA •Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 450 Mic/Line Mixer Separate stereo and mono ouput zones; 4 stereo Inputs, 2 mic inputs Zonas de salida estereo y mono separadas; 4 entradas estereo, 2 entradas de micro. 425 Dual Compressor/ Limiter/Expander Dual mono or stereo linked operation Sorties zones stereo et mono separees; 4 entrees stereo, 2 entrees micro. 0 o- 0 . - 6 . .,. •· _... . . Double compresseur-limiteur/ expandeur-gate, mode stereo ou deux canaux independants. Funciona conectado en dual-mono o en estereo. 421 m AGC-Leveler with Mic/Line Input Reduces the level of loud sounds, increases the level of quiet sounds; mic or line input Reduit le niveau des sons forts, accroit le niveau des sons faibles; entrees et sorties niveau ligne stereo. ~6..: -~ .. _o_ b ~ - • ••0 .-'0 : o -'O: .. ... 20 W/canal a 8 Ohms. o 40 W/mono a 8 Ohms. = 1 entrada, 2 salidas con retardo o delay de precisi6n para altavoces dlstantes. Gama dinamica superior a 100 dB. ~ oo ~ o Automatische Verstarkungsregelung, Verstarkung von kleinen Pegein und Abschwachung von hohen Pegein. - 0 ·o-= ' - = 0 = Amplificateur stereo 2x20 Watts/8 ohms, 40 Watts mono bridge at 8 ohms. 402 Dual Output Delay One in, two out precision delay of distant speakers; over 1OOdB dynamic range -.·• o_o_ o Reduit le niveau des sons forts, accroit le niveau des sons faibles; entree micro ou ligne. 0 20 watts/channel into 8 ohms or 40 watts/mono into 8 ohms Reduziert hohe Signalpegel, hebt niedrige Pegel an; Stereo-Ein- und Ausgange. ~=- _- -.-~-- ~ Reduce el nivel de sonidos altos, incrementa el nivel de los sonidos bajos; entrada mlcr6fono o lfnea. 420 Stereo Power Amplifier Betrieb als dual-Mono oder linked-Stereo moglich. ~ _6_ Reduce el nivel de sonidos altos, incrementa el nivel de sonidos bajos; entradas y salidas estereo. . .:. . . .,. • 0 ~ ·o· o ·o· ·o · . · -o·o-- ·- ·o· o ·o· o ·o· ·o- ·o--· - - . . o_o - --- - - -- . · - .. 0 0 o 0...;,- · - - - - - 422 Stereo AGC-Leveler Reduces the level of loud sounds, increases the level of quiet sounds; stereo inputs and outputs Getrennte Stereo- und Mono-Ausgangszonen; 4 Stereo-Eingange, 2 Mikrofon- Eingange. :: • Delai numerique 1 entre vers 2 sorties. Dynamique superieure A100 dB. Coherence en phase excellente. ~:__ 0 20W an 8 Ohm pro Kanai; mono; 40W an 8 Ohm. 0(9 : - __ 0 1 Ein- und 2 Ausgange; prazise Einstellung der Verzogerungszeit in ft, m, s; Ober 100 dB Dynamikbereich. SX208 Stereo Compressor/Limiter Low cost, easy to use, superb sound Bajo costo, facil de usar, extraordinario sonido. Un rapport qualite/prix imbattable pour des performances excellentes. Preisgunstig; einfache Handhabung; sauberer Klang. Quatre sorties avec contrOles de niveau individuels, entrees mono ou stereo. Stereo- oder Mono-Eingang; Vier getrennt einstellbare Ausgange. SX204 Headphone Amplifier Four outputs with individual level controls, stereo or mono Inputs Cuatro salidas con controles indivlduales del nivel, entradas estereo o mono. - 01- 01- oJ I : ·- . oJI : ·- · _o_:_ 0®I SX202 Dual Microphone Preamp Phantom power, 15 dB pads, polarity reversal Alimentaci6n Phantom. Atenuaci6n de 15 dB, inversi6n de polaridad. Double preampli micro, ou melangeur 2·> 1 sortie ligne. 48V commutable, inversion de phase, pad de 30 dB. Phantomspeisung; 15 dBAbsenkung pro Kanai; Polaritatsumschalter. Egaliseur parametrique mono 3 bandes (-30/+15 dB, a 0,05 a3,3) + preampli micro. Drei Oberlappende EQ-/ Notch-Filter mil Vorverstaker. SX201 Parametric EQ/Preamp Three overlapping EQ/notch filter bands with preamp OSymetrix STEAM POWERED RADIO.COM Tres bandas de EQ/notch filter solapadas con previo. Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 ·USA · Tel: (206) 787-3222 • FAX: (206) 787-3211 · e-mail: [email protected] 620 20 Bit A/D Converter ANT TO KNOW A SECRET? It's not a 16 bit world anymore. While it's true that your DAT recorder is most likely 16 bit, your hard disk recorder/editor is probably 16 bit, your CD player is certainly 16 bit, our ears (depending upon your age and the number of metal concerts you've been to), could well be the 22 bit range! Transferring audio from the analog to the digital domain is a critical process - not to be taken lightly if you strive for high quality output from your studio. If your recorder or workstation stores 16 bit audio, you must make sure that your AID converter uses each and every one of those bits in the most effective way. The converter must be greater than 16 bits and must incorporate intelligent dithering and noise shaping. If your ears can hear more than 16 bits, there's no reason to continue with a 16 bit AID converter. W The Symetrix 620 is an outboard 20 bit AID converter for faultless transitions between analog and digital domains. If you're presently using a 16 bit recorder or workstation, the 620's dither and noise shaping functions can markedly reduce your low level noise and distortion. If you've already moved up to 20 bit equipment, then chances are good the 620 will provide a clearly audible improvement over your internal AID converters. How exactly, can the 620 improve the sound of my 16 bit mixes?Although 16 bits can theoretically give you 96 dB of dynamic range, the fact remains that low level signals are not well represented by the lower bits of a 16 bit word. One of the advantages of analog tape was that low level audio could fall below the recorder's noise floor and still be discernible. Not so with digital. Undithered signals that fall below the digital 'quantization' level are lost and gone forever, covered over by quantization noise. If your console boasts a 110 dB dynamic range and you mix to a 16 bit DAT (even if it's equipped with an 18 bit converter), your dynamic range is reduced to 96 dB at best. Even if you feed your DAT digitally from a 20 bit AID, the DAT will simply throw away (truncate) the last four bits. No questions asked. Our solution is to capture the detailed analog audio (which in many cases has well over 11 OdB of dynamic range) and intelligently process it into the 16 bit storage medium. The 620 does this through use of dither and noise shaping. The 620's dither algorithm (016) improves the effective dynamic range of 16 bit sounds (or 8 bit if you're working in multimedia), by changing the characteristic of quantization noise from a harsh, signal related distortion to a smooth hiss. The 016 algorithm is used when the signal is headed for further digital domain processing such as editing, compression, EQ, etc. If you 're mixing to your final destination (such as DAT) and your signal will undergo no further digital processing, select the NS16 algorithm which is a combination of dither and noise shaping. When converting from 20 to 16 bit resolution the 620's noise shaper moves the quantization noise out of the midrange region where the human ear is most sensitive. (See graphs on the reverse of this page.) What sets the 620 apart from the internal AID converters that came with my equipment? Lots of things. Most internal AID converters are 'bare bones'. The 620 carefully integrates a 20 bit deltasigma IC with a powerful DSP processor to noise shape, dither (technically re-dither) , downsample (44.1 to 22.05 conversion) and remove DC in the digital domain. While the advantages of the 620 are numerous, the bottom line is the sound. If you do sound for a living, then do something nice for yourself. Call us at one of the numbers below for more information and a list of Symetrix 600 series dealers. We think you'll be glad you did. Features • 20 bit quantization • Selectable dither & noise shape • Selectable output word size • AES/EBU & SIP DIF In and out • Real time sample rate conversion from 44.1 to 22.05 for multimedia [email protected] Symetrix Inc. • 14926 35th Ave. W. • Lynnwood, WA 98037 · USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: 10_ STEAM POWERED RADIO.COM 620 20 Bit A/D Converter TYPICAL NW..00 CONNECTIONS: PIN 1 • Sl£EVE • GA0UNO PtU.TP•HIGH PIN~•RING•l.CM --..- Xl.APil211HIOH. Specifications Audio Quantization Analog Inputs Maximum analog Input level 20 bits/sample two, balanced bridging + 24 dBu, balanced +16 dBu, unbalanced Digital Inputs AES/EBU and SIP DIF(Sony/Phillips) Digital Outputs AES/EBU and SIP DIF (Sony/Phillips) Frequency Response ±.5dB, 20 Hz-20 kHz THD+noise @ -60 dBFS (-38 dBu) >104 dBFS Dynamic Range see graph below [email protected],+22 dBu input <-95 dB Common mode rejection @1kHz, 1v RMS >85 dB Sample rates: 48 kHz, 44.1 kHz, 32 kHz, 22.05 kHz Headroom LEDs: -54 dBFS to OdbFS (clip) Physical Analog Inputs XLR (pin 2 high) and ¼" tip-ring-sleeve Digital Input & output connectors XLR (AES/EBU) and RCA pinjack (SIP DIF) Chassis size 1.75"H x 19" W x 7.5" D 4.45cm H x 48.3cm W x 19.1cm D Shipping weight 8 lbs, 3.64kg Electrical Power Power Consumption 117V ac, nominal, 95-130V ac, 50-60Hz 230V ac,nominal, 165-255V ac, 50Hz 20 watts, maximum In the interest of continuous product improvement, Symetrix, Inc. reserves the right to alter, change, or modify these specifications without prior notice. Copyright, 1995, Symetrix, Inc. All rights reserved. Highlights Non-polluting. No phosphates or distortion-causing capacitors in the signal path. Audio pollution banished. Instead of capacitors for DC removal, we annihilate DC with a digital filter. Safe for use in low noise environments. Dynamic range? Look at the 20 bit FFT below. Noise in every bin is better than 135 dB below full scale! Check out the 16 bit noise shape graph on the right. Is the 620 quiet enoughforyourDAT? SYMETAIX 620 2081T DIGITAL OUTPUT AMP 1(d8FS) vs FREO(Hz) 31 JAN 95 08:23.50 0.0 I •20,00 I Dolphin Friendly. Logical, easy to use control panel. Lots of LEDs to show you exactly what's happening at all times. Batteries not included. The 620 doesn't need batteries. All settings are stored in a nonvolatile EEPROM. Politically and aurally neutral. The 620 has no association with any known political party, special interest group, or trendy sound. That means you can use it on any project without fear of recrimination. SVMETAIX 620 1&BIT NOISE SHAPED OUTPUT Amp(d8FS) vs F,eq(Hz) 31 JAN 95 08:30:25 0.0 •20.00 -<-0.00 -<-0.00 -60,00 -eo.oo -80.00 -eo.oo -100,0 · 100.0 · 120.0 · 120.0 · 140.0 · 140.0 -160.0 20 ,oo · 180.0 " ""' 30k 20 ,oo " '"" 30k Architects and Engineers Specifications The analog to digital converter shall be a high performance unit occupying a single rack space (1 U). The unit shall have two line level, balanced, analog inputs. Input gain shall be controlled via two variable potentiometers over a 15dB range. Alternatively, a fixed input gain reference of +4dBu may be selected. The AID converter shall provide a digital output signal conforming to the AES/EBU digital audio format (AES-3) as well as a second digital output conforming to the SIP DIF format (IEC-958). The unit shall internally generate sample rates of 48kHz, 44.1kHz, 32kHz, and 22.05kHz. When converting from analog to digital, the converter shall quantize 20 bits. GSymetrix STEAM POWERED RADIO.COM Means shall be provided to select the following output word formats: 20 bit, 16 bit dithered (using a triangular probability random noise generator), 16 bit noise shaped and dithered, 8 bit noise shaped, and 8 bit dithered. The AID converter shall provide means to accept incoming digital audio signals at a44.1kHzsample rate and output the same signals at a22.05Hz sample rate. The AID converter shall be a Symetrix, Inc. model 620 20 bit AID converter. Symetrix Inc.• 14926 35th Ave . W. • Lynnwood, WA 98037 · USA · Tel: (206) 787-3222 • FAX: (206) 787-3211• e-mail: [email protected] 610 Broadcast Audio Delay HE SYMETRIX 610 BROADCAST AUDIO DELAY gives the host or producer of a talk show the power to prevent the broadcast of unwanted profanities or comments from telephone callers. As the program begins, the 610 gradually and unobtrusively delays or 'stretches out' the program until 7.5 seconds of 15 kHz bandwidth stereo audio is stored in memory. When a person on the telephone line says something the host or producer does not think appropriate for the broadcast, he or she presses the 'DUMP PROFANITY' button and the memory is cleared, thereby preventing the unwanted audio from reaching the airwaves. Meanwhile, the host releases the offending caller from the telephone line and proceeds with the program. Once the 'DUMP PROFANITY' button is pressed, the 610 automatically begins to stretch the program audio again until the full 7.5 second delay is T attained. Historically, broadcast delay lines have been implemented in a variety of fashions, from jerry-rigged analog tape delays using tricky relay switching, to extremely expensive digital units costing many thousands of dollars. The Symetrix 610 takes advantage of the latest digital audio technology to bring to market a product that is both simple to install and amazingly easy for even the most nontechnical person to operate. All of this, at a price that's within the budget of any broadcast facility. The advantages of installing a 610 in your facility are at least twofold: 1) profanities and unwanted comments and their accompanying liabilities are held at bay and 2) your station's talent, programming and engineering staff can proceed to do their jobs with confidence and peace of mind. In a typical scenario, the 61 Ois installed following the main program output of the mixing console. When the show begins, the host or producer presses the 'START DELAY' button. The 610 inserts imperceptible delays into the program until a 7.5 second delay time has been reached . As explained above, should an unwanted comment occur, the 'DUMP PROFANITY' button is pressed and 7.5 seconds of audio vanishes taking the comment with it. The 610 automatically splices back together every1hing except the 7.5 seconds which contained the unwanted comment. Alternatively, the 610 can be set up so that only half of the 7.5 second memory is deleted the first time the button is pushed, thereby maintaining a 3.75 second reserve. This allows the host to bring another caller on air right away without having to wait for the memory to build up from scratch - a great feature for fast moving shows! Just prior to the end of the program the 'EXIT DELAY' button is pushed. The 610 begins releasing memory gradually until there is no delay and operation is in real time. It's that simple. As a bonus feature we've added a 'COUGH' button to allow the host to make impromptu interruptions of the program for up to 7.5 seconds while keeping the audience unaware of the break. In this situation the button is pushed and the 61 Oplays from memory while the button is held in. As soon as the button is released, the 610 automatically begins to refill the memory. The host can cough, have a quick drink of water, or make a comment to the producer or engineer without any perceptible program interruption. As with all Symetrix products the 610 Broadcast Audio Delay is designed and constructed to the highest broadcast industry standards. Our documentation and customer support are second to none. If your station's programming includes 'talk' and you want to operate with confidence, then contact your favorite equipment distributor for a demonstration of the 610 Broadcast Audio Delay. Features • Advanced DSP 'time expand/time squeeze' • Simple, fool-proof controls - easy to operate • Remote control of all functions and Important LED indicators • 'Hardwire' relay bypass (failsafe) • Bullet-proof & built to last • Stereo, 14 kHz bandwidth Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 · USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 610 Broadcast Audio Delay = • 10 8ROADCASTAUOIODELAY LlnOU!M MAMWACT\.IMO IN THE USA IY D (G D '\,f,/;,NPUT l<NI MAXIIJM Swtnebix nGI.HfOOHT...,.HO UIPllfMCEAIU: P'MTS. C flDIOT!ta::A'IOIIIHJ """""'"""'"" (§\C-............ .... .. ......,)) POWER ~ g IIOHTOU!M -"""' -- -~· --- 4A, C I i Specifications Audio Inputs Outputs Maximum input level Maximum output level Frequency Response Dynamic Range Input common mode rejection Physical Stereo, balanced bridging Stereo, electronically balanced +22 @8dBu input setting +22 dBu into 600 ohms ±.5dBu, 20 Hz-14 kHz >80 dB 65 dB @1kHz Input connectors Output connectors Polarity Chassis size Shipping weight XLR XLR Pin 2 high 1.75'H x 19' Wx 7.5' D 4.45cm H x 48.3cm W x 19.1cm D 8 lbs, 3.64kg Electrical Power Power Consumption 117V ac, nominal, 105-130V ac,50-60Hz 230Vac,nominal, 207-255Vac, 50Hz 15 watts, maximum In the interest of continuous product improvement, Symetrix, Inc. reserves the right to alter, change, or modify these specifications without prior notice. Copyright 1995, Symetrix, Inc. All rights reserved. Architects and Engineers Specifications The Broadcast Audio Delay shall be a stereo model whose output is delayed by as much as 7.5 seconds thereby allowing the operatorto delete or 'dump' unwanted audio The Broadcast Audio Delay shall occupy one rack space (1U). The inputs shall be active balanced bridging designs terminated with 3pin XLR (AES/IEC standard wiring) female jacks. The outputs shall be active balanced designs terminated with 3-pin XLR (AES/IEC standard wiring) male jacks. Overall frequency response shall be 20Hz to 14kHz, ±1 measured at +4dBu output. There shall be no more than 0.1% harmonic distortion measured under the following conditions: +4dBu input, +4dBm output, 7.5 second delay, 1OOOHztestfrequency. Dynamic range shall be>80 dB, full scale, between the noise floor and maximum output level. When the unit is inoperative (either by loss of power, or via the BYPASS switch), the inputs and outputs shall be wired together. The Broadcast Audio Delay shall be capable of operating by means of Its own built-in power supply connected to 117V nominal AC (105 to 130V) 50/60 Hz and 230V nominal AC (207 to 253V AC). The Broadcast Audio Delay shall be a Symetrix, Incorporated model 61 O BROADCAST AUDIO DELAY. OSymetrix STEAM POWERED RADIO.COM Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 · USA · Tel: (206) 787-3222 • FAX: (206) 787-3211 •e-mail: [email protected] 601 /602 Stereo Digital Processors HE SYMETRIX 602 STEREO DIGITAL PROCESSOR and 601 DIGITAL VOICE PROCESSOR are digital domain audio toolboxes, each providing three essential processing blocks in one user-friendly package: parametric EQ, multi-dynamics processing, and time domain effects-all simultaneously. Designed for studio and live sound professionals, the 601 and 602 feature digital (AES/EBU and S/PDIF) and analog inputs and outputs, a dynamic range over 100 dB, and comprehensive real-time MIDI implementation. T The processing includes a three band parametric EQ with peak/shelf and notch filtering, a compressor/ limiter, an AGC/leveler, a downward expander, dynamic filter noise reduction, de-essing, and stereo digital delay with modulation and feedback. "Glitch-free" nonzippering algorithms are coupled with seamless, onthe-fly editing and program changes. For example, as you change programs there are no crossfades or muting. Would you like to change EQ frequencies in the middle of a take? No problem. The 601 and 602 do it silently. A powerful dual-DSP engine was designed to provide users with a digital tool that maintains the purity of sound in the finest analog designs while taking full advantage of digital programmability. Choose from 128 read-only presets for voice, instruments and spatial manipulation or store your own programs in 128 user locations. The read-only presets range from subtle enhancement EQ curves with complementary dynamics processing to full-blown "Darth Vader" transmogrifications. Get up and running instantly with the non-volatile presets then modify them and store them as your own proprietary sound designs. To protect your work, the entire contents of memory can be easily dumped via MIDI to floppy or hard disk. With the intuitive user interface even the novice user can take command in a matter of minutes. You don't have to navigate through a complex multi-layer menu to operate a 601 or 602. We've incorporated a "one button, one function" approach that offers instant access to all major parameters and functions. 18-bit 64X oversampling AID converters and a 24-bit internal data stream provide mastering quality audio performance that will please the most discerning "golden ear". 18-Bit Delta-Sigma D/A converters insure high-frequency linearity and zero-phase error between channels. Our stringent standards of circuit board design have produced a product with over 100 dB dynamic range. Go ahead and crank up the gain. Even your low level signals will come shining through-no whistles or birdies-just good, clean sound. So what's the difference between the 601 and 602? The 601 is equipped with a mic input (with phantom power) and a line input and designed for postproduction, broadcast, or anywhere rack space and convenience are paramount. The 602 has two line inputs and no mic preamp and serves as a general purpose mastering and studio processing tool, however, its stereo analog inputs make it useful for a wide range of tasks. Both units have stereo digital inputs and outputs, stereo analog outputs, and identical processing functions. We have also developed the 601 /602 Librarian/ Controller software for Macintosh computers, which is essentially an onscreen, click and drag, scroll bar version of the units' front panels. The librarian feature allows you to store your presets on the Mac, edit them with the editor/controller, rename them, and move them around in memory. The 601 and 602 from Symetrix represent a milestone in terms of signal processing power for money spent. Taking the place of at least four separate signal processing devices in your rack, they can increase your studio's production efficiency and help you generate better mixes. To see for yourself, contact your nearest Symetrix dealer. Features • AES/EBU & S/PDIF stereo In and out • Simultaneous true stereo digital EQ, dynamics, & delay • MIDI control of all programs & parameters • "Glitch-Free" instantaneous program change • 601/602 Librarian/Controller software for MacIntosh computers Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 · USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 601/602 Stereo Digital Processors Specifications Input/Output 601 & 602 Analog Inputs XLR·female, >9 kilohms, line level, balanced 601 Additional Analog Inputs XLR-female balanced microphone input (48V nominal phantom power), 15 dB pad Digital Inputs XLR·female and RCA-female, AES/EBU or S/PDIF Analog Outputs 300-ohm source impedance, balanced, XLR-male Digital Outputs XLR·male and RCA-female, AES/EBU or S/PDIF Maximum Input Level +22 dBu Maximum Output Level +21 .5 dBu FIiter Block Type Peak Characteristic Shelving Characteristic Peak/Dip Bandwidth Three-band parametric EQ (1 /1Ooctave ISO center frequencies) 31 Hz to 21 .11 kHz, peak and dip 31 Hzto21 .11 kHz, Baxandall approximation 0.05 to 3 octaves, measured at maximum boost Delay Block Delay Time 0.5 ms to 330 ms Lowpass Filter Frequency 600· 18 kHz (feedback path only) Modulation Random, sine, or triangle wave Dynamics Block Types De-essing, dynamic filter noise reduction, downward expansion, compression, AGC/leveling Compression Ratio 1.25:1 to 10:1 Expansion Ratio 1:1.25 to 1:8 Attack Time 100 microseconds to 1oseconds Release Time 100 microseconds to 1Oseconds Performance Data Frequency Response 12 Hz to 20 kHz :1:1 .5 dB, dynamics block out, EQ in (all levels set to 0), noise reduction out, de-ess out, delay out. Mic input equivalent input noise •127 dBm, 20 kHz NBW 150-ohm source Distortion (THD) <0.01% @1 kHz, 1V RMS Dynamic range >104 dB. This represents the difference between the largest and smallest signals that will pass through the 602. Measured using 8192 point FFT with Blackman-Harris windowing function . Sample rate 48 kHz and 44.1 kHz Converter types Delta-Sigma 18-bit linear Conversion method MIDI Connectors Recognized/Transmitted In, Out/Through Program change, control change, SYSEX, continuous controllers 128 read-only presets, 128 read-write presets, memory protection, 3 front-panel lockout modes Memory Physical Size (hwd) Weight 1.75 x 19 x 7 inches, 4.44 x 48.26 x 17.78 centimeters 7.6 lbs (3.5kg) net Electrical Power requirements 117V ac nominal, 105 to 125V ac 50 to 60 Hz, 20 watts 230V ac nominal, 205 to 253V ac 50 Hz, 20 watts I!:> 1995 Symelrix, Inc. Specifications subject to change without notice. Architects and Engineers Specifications The integrated signal processor (ISP) shall be an analog and digital 1/0 device accepting stero or mono signals, applying frequency response equalization, delay-based effects and dynamics processing to those signals, and delivering the processed input signals to the outputs. All signal processing (equalization, delay, dynamics) shall take place in the digital domain. The ISP shall occupy one rack space (1 U). The panpot shall also operate in the digital domain with a sine-cosine characteristic law. The equalizer block shall take the form of a user and MIDI programmable parametric equalizer capable of operating at three inflection points simultaneously. All three bands of the equalizer shall be capable of operating over the following frequency ranges and bandwidths: 31 to 21 .11 kHz with a bandwidth of .05 to 3 octaves, with a boost/cut range of +15dBtooff. The ISP shall be capable of accepting and delivering stereo digital input signals at either a 44.1 kHz or 48.0 kHz sample rate. The ISP shall be capable of converting analog signals to digital form using either the 44.1 kHz or 48.0 kHz sample rates. The delay block shall provide two delays capable of up to 330 milliseconds of delay. The delays shall be user and MIDI programmable. The feedback path for delay recirculation shall be cross-coupled between the two delays and the delay time shall be capable of accepting modulation either from an internal random number generator or from an internal sine- or triangle-wave source. The dynamics block shall provide the following functionality: De-ess, Dynamic noise filter, Compressor, AGC/Leveler and Downward Expander. Within the dynamics block all sections shall be user and MIDI programmable. The output block shall provide level and panning for the output signal. Both functions shall be user or MIDI programmable. The level control shall operate in the digital domain over a :1: 18 dB range. OSymetrix STEAM POWERED RADIO.COM The MIDI implementation, via MIDI Sysex, Control Change, and Program Change, shall provide access to all major operating parameters of the ISP and real-time editing capabilities shall be provided to allow real-time parameter change during operation. The ISP shall be capable of accepting and delivering stereo digital signals conforming to the AES/EBU standard or to the S/PDIF standard. Four such digital connections shall be provided. The AES/EBU connections shall utilize 3-pin XLR connectors. The S/PDIF connections shall utilize RCA connectors. The analog inputs shall be active balanced bridging designs. The line inputs shall be terminated in 3-pin XLR female connectors. All analog input circuitry shall incorporate RFI filters. The analog outputs shall be active balanced designs having equal source impedances and terminated with 3-pin XLR male connectors. All XLR connectors used for analog input/output shall conform to the AES/IEC polarity standard. The ISP shall be capable of operating by means of its own built-in power supply connected to 117V nominal ac (105 to 130V) 50/60 Hz or 230V nominal ac, (207 to 253V, 50 Hz). The unit shall be either a Symetrix Incorporated Model 601 or 602. Symetrix Inc. • 14926 35th Ave. W. • Lynnwood, WA 98037 · USA · Tel: (206) 787-3222 • FAX: (206) 787-3211 •e-mail: [email protected] 572 SPL Computer HE SYMETRIX 572 SPL COMPUTER is an automatic level controller that maximizes intelligibility by changing gain in proportion to environmental noise level changes; in essence, controlling the volume of the background/paging system by measuring the volume of the ambient noise and then adjusting the system gain accordingly. Unique to the 572 is its ability to utilize the sound system's loudspeakers as noise measurement transducers, in place of the usual microphones. T The 572 switches the speaker line from the amplifier's output to its own sensing input. In less than one second it reads the ambient noise level and switches the speaker line back to the amplifier. Special impedance matching, frequency shaping, and level shifting circuits allow the 572 to acquire precise relative noise measurements from virtually any speaker line, with any number of speakers of any impedance, transformer coupled or direct coupled, 25V or 70V. be taken. This 572 takes advantage of silent periods in the paging or music to take a sample, or it forces a sample based on the front panel setting at timed intervals. The 572 will unobtrusively fade out the music, take a sample, and then fade the music back in, all in a matter of seconds. The 572 will not, however, interrupt any signal that appears at the page input, thus keeping the unit from forcing a sense period during a page. From malls to restaurants to factories, the Symetrix 572 gives you effective, reliable, system level control without an operator or the normal additional costs. The operating characteristics of the SPL computer are controlled by a powerful microprocessor, running under Symetrix proprietary software. This reduces the 572's calibration time and allows the installer to optimize performance for any situation. No test gear is needed because the 572 obtains and stores the information it needs during calibration. 571 vs. 572 ... Which one is right for your application? The 572 has separate inputs for paging and music as well as a direct paging microphone input. Both the speakers and the amplifiers connect directly to the 572. A front panel page over music function enables up to 14 dB of music attenuation during announcements. There are multiple option switches for telling the 572 how to treat the page/music signal as well as how to react to changes in the acoustic environment. The LED meter on the front not only indicates gain change but also aids in set-up and calibration and identifies errors. The 571 uses one or more microphones to sense the ambient, therefore, there is no need to interrupt the audio signal to make changes. This is necessary for applications that require constant paging signals that need to be raised or lowered over short sections of time. The cost effective 572 uses the speaker system itself to sense changes, thus saving the installer/customer from the price of external sensing microphones and cabling, but it must have periodic silence in the audio for the speaker to perform as a sensor. You show the 572 the parameters of the acoustic environment during calibration and then set the way you want the unit to respond to changes. The 572 then takes the information it has stored in memory and makes smooth, appropriate changes to keep the levels exactly where you want them. In order for the speakers to act as loudspeakers and sensors, there must be times when no audio is passing through the speakers to allow the sample of the ambient noise to Features Both of our SPL Computers perform similar functions but are quite different in application and features. • Uses speakers as noise sensing "microphones" • Separate Page and Music inputs • Works with direct coupled and distributed systems • Fast, simple calibration • Economical Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA• Tel: (206) 787-3222 • FAX: (206) 787-3211 •e-mail: [email protected] STEAM POWERED RADIO.COM 572 SPL Computer 0 0 C FUSE: 1'2AII//P(100YAC) 1'2 AMP {111VAC) 1i. AMP (220/240VAC) © ©> TMtS PAOOUCT COHTAtHS NO USEfl St:fMCABLl PAftTS lllANUf'ACTUflED IY IYMITRIX INC, HATTU, WA. VIA Tl2 10 I I 7 I 5 4 3 2 1 Tl1 10 I I 7 I I 4 S 2 1 Specifications Software Control Range Noise-to-Gain Ratio Sample Interval Frequency Response THD+N Signal-to-Noise Ratio Input Inputs Pagingmic (For microphone level paging signals) Paging (For line level paging signals) Music (For line level music signals) Copyright Symetrix, Inc. 1989 Variable, up to 40 dB (·20 dB to +20 dB) Variable, 2:1 to 1:2 Forced: Variable, 1 min. to 26 min Auto: Silence periods (< ·30 dBm) > 800 ms Page-Over Music: Variable, Oto 15 dB 20 Hz to 20 kHz+ 1 dB, ·O dB <0.05% THD, unity gain, 1kHz music Into balanced output >70 dB, ref: OdBu, unity gain (30 kHz noise bandwidth) All balanced, transformerless Impedance >1800 ohms Nominal level -80 dBu to -40 dBu Maximum level ·30 dBu CMRR >60 dB Impedance >40 kilohms Nominal level OdBu, Maximum level +18 dBu CMRR >40 dB Impedance >40 kilohms Nominal level ·10 dBu, Maximum level +18 dBu CMRR>40dB Output Output Impedance Gain (VCA at unity) Ve Scale Physical Size Weight Electrical Power Requirements Balanced, transformerless 200-ohms balanced, 100-ohms unbalanced Minimum load: 600-ohms balanced Nominal level OdBm Maximum level +24 dBm (into 600-ohms) Balanced input to unbalanced output = 0 dB Unbalanced Input to balanced output = 6 dB 156 mV/ dB 1.75'H x 19-W x 7.5'D inches overall (4.45H x 48.3W x 19.5 cm overall) 1.75'H x 19-W x 6.5' inches depth behind panel (4.45H x 48.3W x 16.5 cm depth behind panel) Bibs (3.6 kgs) 117 V ac, 60 Hz, .1amp (approx. 12 watts) C1995 Symetrix, Inc. Specifications subject to change without notice. Architects and Engineers Specifications The ambient sensing automatic level controlling device shall regulate the operating level of a sound system in proportion to changing noise levels in the sound system's operating area. The device shall be capable of adjusting gain control over 40 dB overall (max) range, and shall be governed by amicroprocessor which shall be controlled by embedded software. The device shall vary its gain based upon measurements of the sound pressure level of ambient noise In the environment. These sound level measurements shall be made by the level control· ling device through the loudspeakers otherwise used for the system's output. To facilitate the use of the system's loudspeakers as noise measuring "microphones," the device shall provide relay switching of the speaker line circuit so as to disconnect the speakers from the amplifier output and connect the speakers to Its own sensing input. The device shall provide inputs for paging signals at microphone level (nominal -40 dBv) or line level (nominal OdBv), and for music signals at line level (nominal o dBv). The device shall have a Ratio control to vary the ambient noise-to-gain ratio continuously from 2:1 to 1:2, and a front panel switchable hard-wired bypass. Calibration of the OSymetrix STEAM POWERED RADIO.COM automatic level controlling device shall be semi-automatic, and shall require switching the device to CAL Mode, and adjusting the minimum desired operating level and the maximum desired operating level. Calibra· lion settings shall be continuously maintained in non-volatile memory without the need for battery pack up power. In addition to the various functions and general specifications mentioned above, the ambient sensing automatic level control· ling device shall meet or exceed the following overall performance criteria: frequency response :t 1 dB 20 Hz to 20 kHz, total harmonic distortion less than .05%at any attenuation from -40 dB to OdB (2 kHz) , maximum paging microphone Input level ·30 dBv, maximum line input level +18 dBu, maximum output level +24 dBm into 600-ohms (balanced). Minimum impedance at the microphone inputs shall be 1800 ohms, minimum Impedance at the line inputs shall be 1O kilohms. The device shall be housed inan all steel chassis designed to be mounted Ina1U(t .75') space in a standard 19" rack. The ambient sensing automatic level controlling device shall be the Symetrix model 572 SPL Computer. Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA • Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] 571 SPL Computer HE SYMETRIX 571 SPL COMPUTER is an automatic level controller that maximizes intelligibility by changing gain in proportion to environmental noise level changes. In essence, controlling the volume of the sound system by measuring the volume of the ambient noise and then adjusting the system gain accordingly. The operating characteristics of the SPL computer are controlled by a powerful microprocessor, running under Symetrix proprietary software. This reduces the 571 's calibration time and allows the installer to optimize performance for any situation. No test gear is needed because the 571 obtains and stores the information it needs during calibration. T The 571 has separate inputs for paging and music as well as dual microphone inputs for the sensing microphones and a direct paging microphone input. A front panel page over music function enables up to 14 dB of music attenuation during announcements. There are multiple option switches for telling the 571 how to treat the page/music signal as well as how to react to changes in the acoustic environment. The LED meter on the front not only indicates gain change but also aids in set-up and calibration. More than just a volume control, the 571 has an "averaging time" control for the mic sensing and a ratio control for adjusting the reaction of the 571 to the changes in the ambient noise. The real intelligence of the 571 lies in its ability to ignore the changes of signals passed through it and therefore won't allow runaway gain changes as the system tries to chase itself. You show the 571 the parameters of the acoustic environment during calibration and then set the way you want the unit to respond to changes. The 571 then takes the information it has stored in memory and makes smooth, appropriate changes to keep the levels exactly where you want them. From racetracks to ballrooms to subway stations, the Symetrix 571 gives you effective, reliable, system level control that reacts to real world changes, not timer set programs. 571 vs. 572 Which one is right for your application? Both of our SPL Computers perform similar functions but are quite different in application and features. The 571 uses one or more microphones to sense the ambient and therefore doesn't need to interrupt the audio signal to be able to make changes. This is necessary for applications that require constant paging signals that need to be raised or lowered over short sections of time. The cost effective 572 uses the speaker system itself to sense changes, thus saving the installer/customer from the price of external sensing microphones and cabling, but it must have periodic silence in the audio for the speaker to perform as a sensor. Features • Constant or averaged time sensing (1.2 secs. to 5 min.) • No runaway gain, feedback • 40 dB control range • Ignores level changes in the audio signal passing through the SPL computer • Allows for more than one microphone to "average" a room's ambient signal Symetrix Inc.· 14926 35th Ave. W. • Lynnwood, WA 98037 • USA• Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 571 SPL Computer ,.__ - t!I AW (HNACJ - tHAW(DO,'MOVAq Specifications General Perfomance Data Maximum Control Range Ambient Noise-to-Gain Ratio Averaging Time Page-Over Music (ducking) Frequency Response THD+N Noise 40 dB Variable, 2:1 to 1:2 1.2 sec. to 5 min. Variable, 0 to 14 dB 20 Hz to 20 kHz+ 1 dB, -0 dB <0.05%, unity gain, 2 kHz, music in to line out Less than -85 dBm, unity gain (30 kHz noise bandwidth) lnpuVOutput Maximum Output Level Maximum Input Level +24 dBm (600 ohms balanced) -30 dBu (mlc inputs) +18 dBu (line inputs) Input Impedance Mic: electronically balanced bridging 200 ohms, nominal (not phantom powered) Line: electronically balanced bridging, 20 kilohms nominal Inputs 2 sensing mlc (-40 dBu nominal) CMRR = >60 dB at 1 kHz 1 paging mic (-40 dBu nominal) CMRR = >60 dB at 1 kHz 1 line (0 dBu nominal) CMRR = <40 dB at 1 kHz 1 music (-10 dBu nominal) CMRR = <40 dB at 1 kHz Output Transformerless balanced Output Impedance 100 ohms ICl1995 Symetrix, Inc. Specifications subject to change without notice Architects and Engineers Specifications The ambient sensing automatic level controlling device shall regulate the operating level of a sound system In proportion to changing noise levels in the sound system's operating area. The device shall be capable of providing gain control over up to 40 dB overall range , and shall be governed by a microprocessor which shall be controlled by embedded software. The device shall vary its gain based upon measurements of the sound pressure level of ambient noise in the environment. Inputs shall be provided for up to two sensing microphones. The device shall be capable of making 215 sound pressure level measurements per second, and shall have a continuously variable Averaging Time control to cause the device to maintain a running average of those measurements for a minimum of 1.2 seconds to a maximum of 5 minutes, before using that average to compute gain adjustments. The device shall provide inputs for paging signals at microphone level (nominal -40 dBu) or line level (nominal OdBu), and for music signals at line level (nominal -10 dBu). Automatic regulation shall be selectable to apply to paging signals only (Page mode), or to apply primarily to music signals (Music mode). In Page mode the device shall adjust paging levels continuously with respect to ambient noise sound pressure levels. In Music mode the device shall adjust background music levels continuously with respect to both ambient noise levels and paging activity; in Music mode, paging signals shall cause the device to attenuate music signals as determined by its Page-Over Music control, which shall be continu- OSymetrix STEAM POWERED RADIO.COM ously variable from Oto 14 dB (ducking). The device shall have a Ratio control to vary the ambient noise-to-gain ratio continuously from 2:1 to 1:2. An Output Gain Trim control shall be provided to allow overall gain to be adjusted over a 20 dB range. The Output Gain Trim control shall be remote controllable at a distance of up to 400 feet by the connection of a50 kilohm variable resistor. Calibration of the automatic level controlling device shall be semi-automatic , and shall require switching the device to CAL Mode, and adjusting the minimum desired operating level, and the maximum desired operating level. Calibration settings shall be continuously maintained in nonvolatile memory without the need for battery pack up power. In addition to the various functions and general specifications mentioned above, the ambient sensing automatic level controlling device shall meet or exceed the follow ing overall performance crite ria: frequency response ±1 dB 20 Hz to 20 kHz, total harmonic distortion less than .05% at any attenuation from -40 dB to OdB (2 kHz), maximum paging microphone input level -30 dBu, maximum line Input level +18 dBu, minimum sensing microphone input level -80 dBu, maximum output level +24 dBm into 600 ohms (balanced). Minimum impedance at the microphone inputs shall be 1800 ohms, minimum impedance at the line inputs shall be 10 kilohms. The device shall be housed In an all steel chassis designed to be mounted in a 1U (1.75') space in a standard 19' rack. The ambient sensing automatic level controlling device shall be the Symetrix model 571 SPL Computer. Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 ·USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] 564E Quad Expander/Gate ONICALLY SUPERIOR, easy-to-use, and built to survive the rigors of the road, the 564E Quad Expander/Gate provides four channels of powerful expansion and gating functions with frequency conscious detection in one single rack space. We didn't cut any corners when we designed this unit. Inside and out, it's built for the most demanding audio applications. S Let's get right to the point. How fast is it? Very. It goes from 50 dB of attenuation to full open in 50 microseconds. A little math will show you that a 20 kHz attack transient will pass through unaffected. Totally free from the "dulling" effect of other, slower designs, the 564E insures that your all-important drum sounds are clear, crisp, and completely free of any audible distortion. Easy-to-use and flexible. These may appear to be contradictory, yet the 564E delivers the goods. Our proprietary program-interactive release circuit delivers smooth, natural-sounding decay envelopes automatically. We've simplified the Gate Range and Expander Ratio controls by putting them all on one knob so you can quickly dial in the right amount of attenuation. Unlike competing units that use "soft-gate" for signals with long attacks and decays, the 564E uses true downward expanders. Noise gates work like on/ off switches which can cut off the beginnings or endings of signals. A "true" downward expander works like a fader that can follow signals up and down giving a smoother reaction. This allows you to achieve the same noise reducing characteristics as a noise gate without the unwanted artifact. If a noise gate is desired for fast transient signals the user simply turns the knob until the correct amount of gate range is dialed in. As for flexibility, the Key Filters prevent unwanted sounds from triggering the gate action. For instance, use the Lowpass filter to prevent the high-hat from opening the snare gate. You can set this easily by ear using the Key Listen mode. Symetrix uses a combination of Hipass and Lowpass filters for the frequency divisions instead of a single frequency and bandwidth control. This allows the user to set up a window of accepted frequencies instead of just one small frequency band. This combination of frequency detection and downward expansion allows the Symetrix 564E to be used on cymbals, voices, woodwinds, and other softer, low transient signals. Of course you still have the ability to perform gating for higher transient signals like a snare drum. There are also sidechain send and return points for even more extensive audio tricks. All this is packed into a rugged, 1U package. Features like electronically balanced XLR inputs and outputs, toroidal power supply transformer, and 12 gauge steel chassis guarantee that the 564E will stand up to years of road abuse; delivering top dollar performance-at a reasonable price. Whether it's separating live drum mies, automatically closing unused channels in a mixdown, or controlling noise on mies in a boardroom table discussion, the Symetrix 564E was made for the job. Features • Four channels of expander/gate In one rack space • Sidechain filters for "frequency conscious" gating • Key Listen function for precise filter settings • Attack and release time controls • Transparent, studio quality audio Symetrix Inc. • 14926 35th Ave. W. • Lynnwood, WA 98037 · USA · Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 564E Quad Expander/Gate - r 0) N4 ! QUAD EXPANDER/GATE 100VAC • 117VAC • @ 230VAC a I ~ n mar£.M. n m~£.M. rn l ~i i ar£.M. c::, SM I Q QQ IW«#ACTUMO IN TIC UIA IV ~ Symebtx ,,_....,COHT_NO IAfAWl'l'ICAal l'Nnl POWER O fAMOUIIAUJI L-U. PAII I YWTIIINC.,IUffll,W= Ml'IJE,_,..flJfpAflATDtAUNnat«::B Specifications lnpuVOutput Inputs Maximum input level CMRR @1kHz Outputs Maximum output level XLR-female, 20 kilohms line-level balanced bridging. +18 dBu >40 dB. 200-ohm source impedance, floating balanced. XLR-male 600-ohm load +24 dBm balanced +18 dBm unbalanced Sldechaln / Control Loop (Key Input) Connector TRS female, tip=return, ring=send. Input Impedance 30 kilohms, unbalanced Max input level +18 dBu maximum Output Impedance 300 ohms, unbalanced Control voltage rejection 80 dB, measured at output with 100 Hz square wave applied to Control Loop input Lowpass/Hlpass Filters Type Frequency Response, fully open Hipass Filter Range Lowpass Filter Range Gate Maximum Attack Minimum Attack Maximum Release Minimum Release Range 12 dB/octave Butterworth 30 Hz to 30 kHz 30 Hz to 4 kHz 150 Hz to 30 kHz 50 dB/50 µs 50 dB/200 µs 50 dB/2 ms 50 dB/3 sec 0·60 dB Downward Expander Characteristic Attack (fast) Attack (slow) Release (fast) Release (slow) Ratio Max Attenuation Soft-knee 50 dB/2 ms 50 dB/2 ms 50 dB/0.7 sec 50 dB/8.5 sec 1:1 to 1:3 Greater than 50 dB Performance Data Frequency Response Distortion (THD+N) @1kHz Crosstalk Dynamic Range Signal to Noise Ratio Physical Size, H X Wx D Weight Electrical Power requirements 20 Hz to 20 kHz, +O, •1 dB <0.03%@ 0 dB GR <0.05%@ 10 dB GR >90 dB @20 kHz 110 dB 92 dB @ 0 dBu In, 0 dBu out Front Panel: 1.75 x 19 In., 4.5 x 48.3cm Chassis: 1.7 x 17.4 x 9.6 in, 4.3 x 45 x 24 cm 11 lbs (5 kg) shipping 117V ac nominal, 105 to 125V ac 50 to 60 Hz, 16 watts 230V ac nominal, 205 to 253V ac 50 Hz, 16 watts IC1995 Symetrix, Inc. Specifications subject to change without notice Architects and Engineers Specifications The Quad Expander/Gate shall provide four Independent channels of dynamic range expansion for wideband, wide range audio signals. The Expander/Gate shall occupy one rack space (1 U). Gate range and Expander ratio shall be continuously adjustable via a single front panel control. The threshold shall be adjustable from -40 dButo +20 dBu. Expander mode shall offer program dependent attack time within two ranges selectable from a front panel pushbutton. Gate mode shall havetwo, fixed, selectableattack times. Release time shall be continuously variable from the front panel. There shall be separate, tunable, high pass and low pass filters in series within the control loop. The cutoff frequencies shall be individually adjustable via separate front panel controls. A Key Listen mode shall be provided to route the side chain signal to the channel audio output for listening during setup. Each channel shall have a six segment LED meter that shall indicate gain reduction amount. The meter shall have a range of 40 dB. Pre-filter control loop access will be available via a 1/4' TRS female jack. This shall be wired Tip=Return, Ring=Send, Sleeve=Ground. The Inputs shall be active balanced bridging designs terminated with 3-pinXLR (AES/IEC standard wiring).TheInput circuitry shall incorporate OSymetrix STEAM POWERED RADIO.COM RFI filters. The outputs shall be active balanced designs having equal source impedances and terminated with 3-pin XLR (AES/IEC standard wiring). The inputs shall accommodate +18 dBu signals without distortion. and the balanced outputs shall be capable of delivering +24 dBm Into a 600-ohm load. Overall frequency response (+O, -1 dB) shall be 20 Hz to 20 kHz. THD+N shall no be greater than 0.03%, 0 dB g/r, 1 kHz into a 600-ohm load. Dynamic range shall be 110 dB. Rack-mounting hardware shall be integral to chassis top, sides and face. Chassis top and sides shall be formed from 12 gauge CRS. All XLR connectors shall be mounted on, and supported by, chassis panels. The unit shall occupy one rack space (1U). The unit shall have a built-in power supply with a toroidal power transformer,and operate from 117V nominal ac (105 to130V) 50/60 Hzor230V nominal, 207 to 253V ac, 50 Hz. The unit shall be a Symetrix Incorporated model 564E Quad Expander/Gate. Symetrix Inc.· 14926 35th Ave. W. • Lynnwood, WA 98037 · USA • Tel: (206) 787-3222 • FAX: (206) 787-3211 •e-mail: [email protected] 528E Voice Processor HE 528E is a complete, self-contained voice processor that performs six separate functions: microphone pre-amplification, de-essing (sibilance removal), compression/limiting, downward expansion, parametric EO, and voice symmetry alignment. All six processors may be used simultaneously. Although we call the 528E a "Voice Processor", it is perfectly suitable for any signal, vocal or not. T Each function features a full complement of controls in an easy-to-use layout. Separate LED meters monitor mic gain and dynamics gain reduction functions thus facilitating quick and accurate adjustment of controls. As a dedicated single-channel voice processor, the 528E delivers the same processing power found in an entire recording studio signal chain. With the 528E you get all the control you need, without the cost or complication of separate units. The 528E works with any professional microphone. The mic preamp's gain is variable up to 60 dB, and 48 volt phantom power is provided for condenser mies. A switchable 15 dB pad reduces gain in front of the mic pre-amp to prevent distortion in super close micing situations. A front panel switch selects between microphone or line input. Both inputs are transformerless and are equipped with filters to prevent radio frequency interference (RFI) . The de-esser senses and regulates selectable high frequencies to reduce or eliminate annoying sibilance and "lip smacking". De-esser controls are Frequency and Range. Symetrix' program controlled Integrated Dynamics Processing (IDP) techniques combine the best attributes of compressor/limiters and downward expanders. The compressor/limiter maintains uniform levels while the downward expander eliminates "pumping", "breathing", and noise build up. Because it's program controlled, the 528E's dynamic range processor responds quickly to transients, and gently to smaller level changes. Controls provided are Expand Threshold, Compress Threshold, and Compression Ratio. The three band parametric EQ performs both creative and corrective operations, with bandwidth variable from .3 octave to 4 octaves, 15 dB boosV cut, and overlapping frequency ranges. A unique "leap frog" topology minimizes the number of amplifiers in the signal path while ensuring that each frequency band interacts with its neighbor in a desirable and musical fashion. Use the 528E's parametric to enhance voices and/or eliminate resonances and interference. EO controls are CuVBoost, Bandwidth, and Frequency for each of three bands. The voice symmetry switch corrects for excessive positive or negative signal peaks of the human voice. A simple in/out switch controls Voice Symmetry. Revered as the choice for broadcast voices and known as the "one channel console" by recording studios, the 528E easily steps into the track of it's predecessor, the Symetrix 528 Voice Processor. Features • Works with any microphone (or line input) • Enhances vocal Intelligibility • Increases perceived loudness and "presence" • Great for voices as well as Instruments and effects • Reduces off-mlc noise • Reliable, proven design Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 · USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 528E Voice Processor 5~~1=i ~ ~ ~ST: 11 l.__J ~ I~-=: I::ANOE=·s: IMMDE-ESS- I= 1~ 1~ = ~ ~ ~ 0 0 -1-0 0 -1-0 Q _ 0 --0 0 --0 I I 0 POWER O -·- O O 0 -==- Specifications Inputs Controls and Switches Mic and Line input connectors Clip LED Mic Gain, Phantom Power, Mic/Line XLR female (2) Fires at +17 dBu output level from mic preamp or line input amplifier Microphone input type Balanced translormerless, low impedance Phantom Power (DIN 45 596) +48V, nominal Microphone Pre-amp Gain 22 to 60 dB (pad out), 7 to 45 dB(pad in) Microphone input maximum input level -3 dBu (pad out) Equivalent input Noise (EIN) -126 dBV. (150-ohm source, 20 Hz to 20 kHz) THD+N (preamp only) 0.05% (2 kHz, 50 dB gain, +17 dBu output) Mic Pre-amp CMRR > 60 dB (40 dB gain, 20 Hz to 20 kHz) Line input type and impedance 1Okilohm translormerless balanced bridging Line input maximum input level +24 dBu Line input nominal input level +4 dBu Line input CMRR > 50 dB (0 dBu, 20 Hz to 20 kHz) Parametric Equalizer Type Bands Peak/Dip Bandwidth Maximum boost/cut Metering Type Output Level Gain Reduction Three-band parametric equalizer Low: 16 to 500 Hz, Mid: 160 to 6300 Hz High: 680 Hz to 22 kHz .3 to 4 octaves, measured at maximum boost ±15 dB Multi-segment LED bargraph -20 to +3 VU (0 VU = +4 dBu), VU calibrated, peak responding Separate displays for: de-ess, downward expander, compressor. 0 to 20 dB per display Overall Performance Data Frequency Response THD Noise Floor 20 Hz to 20 kHz +O, -0.5 dB, EO out compressor out, downward expander out, de-esser out .05%, 20 Hz to 20 kHz, +4 dBm output better than -89 dBu, 20-22 kHz. Dynamic Range Processor Type Interactive comp/limiter-downward expander Comp/limiter ratio 1:1 to 10:1 Downward Expansion ratio (max) 1:1.8 De-esser Type Program controlled high-cut filter, 12 dB/octave Frequency Range 800 Hz to 8000 Hz Threshold -30 to OdBu Output Section Type Balanced translormerless Maximum output level +24 dBm balanced,+ 18 dBm unbalanced Connector XLR male Output Clip LED Fires 3 dB below clipping Output source impedance 200 ohms, balanced Minimum load impedance 600-ohms balanced or unbalanced Voice Symmetry switch Improves modulation symmetry of speech signals Output gain ±15 dB Physical Size (hwd) Weight Electrical Power requirements 1.75x19x7in 4.44 x 48.26 x 17.78 cm 7.6 lbs (3.5kg) net 10 lbs (4.6kg) shipping 117V ac nominal, 105 to 125V ac 50 to 60 Hz, 18 watts maximum 230V ac nominal, 205 to 253V ac 50 Hz, 18 watts maximum 0 1995 Symetrlx, Inc. Specifications subject to change without notice Architects and Engineers Specifications The voice processor shall be capable of all signal processing functions commonly found on a mixing console input channel, including microphone signal preamplilication, line input buffering, simultaneous de-essing, downward expansion, compression/limiting, and parametric equalization. The unit shall have a low-noise, low distorlion microphone preamplifier with variable gain (22 dB to 60 dB) and switchable (on/off) +48V phantom power. A 15 dB pad shall be provided to accommodate highoutput microphone signals. A balanced-bridging line input suitable for +4 dBu input signals shall also be provided along with a switch to select either the microphone or line inputs. The voice processor shall have an integral de-esser which shall offer up to 20 db of attenuation within a manually sweepable frequency range of 800 Hz to 8 kHz. There shall be front panel controls for range, frequency, and a bypass switch. The dynamics processing section shall contain an interactive compressor/limiter and downward expander. There shall be front panel controls for compression ratio (1 :1 to 10:1), compressor threshold (-50 dBm to +20 dBm), expander threshold (·30 dBm to OdBm), and a bypass switch. There shall be athree-band parametric equalizer. Each band shall have±15 dB maximum boost/cut, and continuously variable bandwidth (.3 octaves to 4 octaves). The equalizer bands shall have substantially overlapping frequency ranges, with acombined range ol 16 Hz to 22 kHz. There shall be a front panel bypass switch. The voice processor shall be equipped with the following LED displays: An eight-segment LED display shall be provided for monitoring the overall output level, six-segment displays for monitoring the de-esser, compres- OSymetrix STEAM POWERED RADIO.COM sor/limiter, and downward expander. All displays shall be independent. There shall also be a single LED clip indicator to indicate clipping within either of the input preampliliers or buffers. The microphone Input shall be an active balanced bridging design terminated with 3-pin XLR -lemale connector (AES/IEC standard wiring). The microphone preamp shall be capable of an equivalent input noise specification of at least -126 dBu (150-ohm source, 60 dB gain, 20 Hz to 20 kHz). The line input shall be a balanced, translormerless design using a 3-pin XLR-lemale con nector (AES/IEC standard wiring). All input circuitry shall incorporate RFI filters of the LC lowpass type. The output shall be an active balanced design terminated with a 3-pin XLR-male connector (AES/IEC standard wiring). The output signal level shall be switchable to accommodate subsequent line or microphone inputs. The output section shall provide a switchable phase rotator for the purpose of improving the asymmetry of speech waveforms. Access to the dynamics processing sidechain shall be provided via a 1/4 inch TRS jack. Access to the interstage connections between all processing sections (mic/line preamp,de-esser,compressor/limiter/downward expander, equalizer, output stage) shall be provided via hall-normalled tip-ring-sleeve (TRS) jacks. The voice processor shall be capable of operating by means of its own built-in power supply connected to 117V ac nominal (105 to 130V), 50/60 Hz or 230Vac nominal (207 to 253V ), 50 Hz. The un it shall be a Symetrix Incorporated model 528E Voice Processor. Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 ·USA · Tel: (206) 787-3222 • FAX: (206) 787-3211•e-maii: [email protected] 501 Peak-RMS Compressor/Limiter -------· --------- HE SYMETRIX 501 PEAK/RMS COMPRESSOR/LIMITER is a precision dynamic range controller intended for use in the most demanding professional audio applications. The 501 is two dynamics controllers in one unit. Separately controlled, simultaneous RMS detection and peak limiting is provided so that the limiter can be set to prevent spikes and allow the compressor to control the signals without applying more than the desired amount of gain reduction. The 501 performs both duties with unsurpassed distortion and noise specifications. A full complement of controls gives the operator the ability to perfectly tailor dynamic response. This isn't a one slider device, you are in control. T Standard engineering practice often calls for the use of low ratio compression, as a creative device, to achieve dynamic characteristics that are more pleasing to the ear. Since the 501 's compressor is RMS responding (like the human ear) it's easy to get a consistent, more listenable sound . The RMS compressor section is designed to provide both manual and automatic (program controlled) attack and release times. The wide range of the ratio and threshold controls make the 501 usable over a 50 dB range. RMS detection, high headroom input circuits and output drivers, give the 501 its well known sonic excellence. However, an RMS compressor alone does not prevent clipping distortion or tape saturation. For this reason, standard practice also dictates the use of a peak limiter, as a protection device, to take control of transient peaks that would otherwise cause overload distortion. The peak limiter catches even the fastest transient spikes, with its exceedingly quick 2000 dB/msec attack time. With both types of processing in the same package, the Model 501 provides both creative and protective dynamic range control. This is one reason why the 501 has become not only a first choice for vocal applications but is widely known as ''the" compressor/limiter choice for bass players, allowing the low frequency notes to sound close and full , while protecting the player's amp from overloading during sharp slaps and pounding of the bass strings. With this type of performance and reliability the 501 has become the audio experts' tool of necessity. Backed by eighteen years of designing audio processors, the Symetrix 501 can only be called "performance elegance" in the classic sense of audio quality and reliability. Features • RMS and Interactive Peak control • Manual or Automatic attack/release • Balanced and Unbalanced connections • Stereo linkable • Sidechaln access Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA• Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 501 Peak-RMS Compressor/Limiter - 117YAC - 220YAC FUSE : .S AMP (117VAC) .25 AMP (220YAC) @ MFG. IY SYMETRIX,INC. SEATTLE, WA.,USA f ] r ~0 ~0RTK>Nj [cf J 0 L TO EO FROM EQ WffERCONNECT Specifications lnpuVOutput Inputs XLR-female, >20-kilohms line-level balanced bridging, >20-kilohms unbalanced bridging TRS-female paralleled with XLR connector 200-ohm source impedance, balanced. XLR-male Outputs TS-female (unbalanced) transformer balanced optional 100-ohm source impedance Maximum input level +20 dBu, balanced Maximum output level +26 dBm balanced (600 ohms) +20 dBm unbalanced (600 ohms) (onset of clipping/1 % THO) 100-ohm source impedance Sidechain ?-kilohm input impedance Separate TS, unbalanced, send and receive jacks Compressor Type Manual Attack time Manual Release time Auto-release time Threshold Ratio Limiter Attack time Release time Threshold Ratio RMS responding , soft-knee variable: .25 to 12 dB/ms variable: 5 to 300 dB/sec program dependent -40 dBu to +1odBu 1.4:1 to- :1 2000 dB/ms (approximately 1/2 cycle at 50 kHz) 110 dB/sec -10 dBu to +20 dBu Performance Data Frequency Response THO+N 20 Hz to 20 kHz +O, -1 dB .025 %, +0 dBm in, +O dBm out, 10 dB gain reduction, 1 kHz, 30 kHz low-pass filter <0.09 %, +O dBm in, +O dBm out, 1OdB gain reduction, 20 kHz (distortion products primarily 2nd harmonic) Equivalent Input Noise (EIN) better than -85.5 dBu, 600-ohm source impedance, unity gain better than -95.5 dBu, 600-ohm source impedance, 20 dB gain reduction Physical Connectors Size (hwd) Weight Electrical Power requirements input: XLR-3F, ¼' TRS output: XLR-3M, ¼' TS sidechain: ¼' TS (two) 1.75 X 19 X 5 in 4.44 x 48.3 x 12.7 cm 7 lbs (15.4kg) shipping 117V ac nominal, 120V ac 60 Hz, 12.5 Watts maximum 230V ac nominal, 240V ac 50 Hz, 12.5 Watts maximum <!:>1995 Symetrix, Inc. Specifications subject to change without notice. - :1 Architects and Engineers Specifications The compressor/limiter shall be a single channel unit that reduces the dynamic range of wideband, wide range audio signals. It shall have separate compressor and peak limiter sections and occupy a single rack space (1 U). The unit shall have a RMS responding compressor section with separate controls for ratio, threshold, attack, and release. A front panel switch shall be provided to engage the auto release time mode. The ratio shall be adjustable from 1.4:1 to Infinity: 1. The peak limiter shall have a fixed infinity: 1. ratio, fixed attack rate of 2000 dB/ms, and adjustable threshold (·10 dBm to +20 dBm). The inputs shall be active balanced bridging designs terminated with 3-pin XLR (AES/IEC standard wiring), and 1/4' TRS. The input circuitry shall incorporate RFI filters. The output shall be an active balanced design, terminated with 3-pin XLR (balanced output, AES/I EC standard wiring), and a ¼' TS jack (unbalanced output). The active-balanced output shall be capable of delivering +26 dBm, balanced, into a600-ohm load. A transformer-coupled output shall be available as an option. There shall be separate ¼' TS female connectors provided for the sidechain send and return. OSymetrix STEAM POWERED RADIO.COM The unit shall be capable of being linked with another like unit for stereo operation. In this mode, the overall gain reduction of the two channels shall be based upon the mono-sum of the two input signals and each unit shall receive identical gain-reduction control signals. The stereo-link function shall be controllable via a front-panel switch. Overall frequency response shall be 20 Hz to 20 kHz (0 dB, -1 dB). THO shall not exceed .025% with 10 dB gain reduction, 600-ohm load, 1 kHz tone at OdBm. The equivalent input noise (EIN) shall be-85.5 dBU or better at unity gain with a 600-ohm source over a 20 Hz to 22 kHz noise bandwidth. The AGC shall be capable of operating by means of its own built-in power supply connected to 117V nominal ac (105 to 130V) 50/60 Hz (230V nominal, 207 to 253V ac, 50 Hz where applicable). The unit shall be a Symetrix Incorporated model 501 Peak RMS Compressor/Limiter. Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] 488 DYNA-Squeeze™ VER WONDER what sets the really successful engineers and producers apart from the Joe Average ones? Well, from our conversations with Grammy Award winners there appear to be lots of things. In our quest for new product ideas, these experts provided us with some valuable clues. No matter what brand console or recorder they use there's a sacred, unwritten rule: pay meticulous attention to levels and cut tracks hot! E The Symetrix 488 DYNA-Squeeze" is an eight channel compressor/interface for use with digital multitrack recorders/workstations in recording and production studios. Interfaced between mixing console and recorder, the 488 gently squeezes your tracks toward the upper end of the recorder's dynamic range, giving digital recordings the feel of analog while preserving the clarity of digital. The results are impressive, the tracks are hot! Tracks processed by DYNA-Squeeze have "presence" and increased articulation which is lacking in unprocessed tracks. Vocals punch. Acoustic instruments and drums come forward . Reverb "tails", cymbal decays. And other subtle nuances are more up front. When it's time to mix, DYNA-Squeeze'd tracks let engineers and producers sit back and concentrate on the creative aspects of the mix instead of riding gain on tracks that were cut at the wrong levels. Ask anyone who knows better basic tracks make for a better final mix. With DYNA-Squeeze tracking goes faster and sound quality gets better. It's that simple. For all their strengths, digital recording devices have several distinct weaknesses: at high levels, they're very unforgiving. Hit them with just a little too much input level and WHAMO! Digital clipping and unusable audio. At low levels they lack the resolution to accurately reproduce the signals at their input. Subjectively, most engineers and producers hear this as "graininess". So what do people do? They record at very conservative, very low levels to avoid clipping; therefore accepting reduced signal to noise ratio, and an increase in low level distortion! Engineers who painstakingly ride gain down to avoid digital clipping rob themselves of valuable creative time while they're lucky to get 12 bits out of a well designed 16 bit recording system. Is this trade-off really necessary? Not at all. Not with DYNASqueeze! DYNA-Squeeze between your console's bus outputs and your recorder's inputs. Once connected, guess what? You don't have to run the faders on your console at ridiculously low levels any more to avoid overloading your recorder! Most analog consoles put out much more level than digital (or analog) multi-tracks will accept. Most likely your console outputs go to +24 level. The unbalanced input of the ADAT, for example, reaches full scale (digital clip) at +8 dBV! Enter DYNASqueeze. DYNA-Squeeze's rear panel +4/-1 0 switch lets you come at DYNA-Squeeze full on (our input doesn't clip until +241). Then we drop our output signal by just the right amount to perfectly interface to ADAT and DA-88. A single, wide range threshold control sets the amount of gain riding for all eight channels. Run your console levels up to where you're comfortable, adjust the DYNA-Squeeze threshold for the sound you like, and take off. That's all there is to it. If you record to digital tape (ADAT, DA-88, 3324, etc.) or to a disk-based workstation (PROTOOLS, SPECTRAL, SADIE, etc.) or if you still prefer an analog recorder, the Symetrix 488 DYNA-Squeeze can make your job easier and make you sound better. With almost two decades of experience designing and manufacturing cutting edge gain controllers, we've come up with a unique product that is unbeatable in performance and price. To DYNA-Squeeze your next recording, contact us now for the name of your nearest Symetrix dealer. FEATURES • Higher average recording levels • Increased "presence" • Level matching to digital recorders • Minimum component signal path for sonic transparency The 488 is easy to use. Set up is embarrassingly simple. Just use standard patch cords to connect Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA • Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 488 Dyna-Squeeze™ r LJBD[ID =o o D D @Synletnx POWER LVNMOOO W'-USA - - ~ CHANNELi """'" .... CHANNEL 7 """"" .... ...... 00 0 0 - CHANNELi CHANNEL S """"' .... CHANNEL 4 """"" CHANNEl. 3 - CHANNEL2 .... ...... .... ...... CHANNEL 1 """'" .... 00 00 00 00 00 00 @ ~ Specifications Audio Inputs Outputs Maximum input level Maximum output level Frequency Response THD+noise Maximum compression Nominal output level Output Noise Dynamic Range Crosstalk Input common mode rejection Attack time Release time Threshold range Ratio Output trim range Eight, balanced bridging Eight, unbalanced, zero ohm source +24 dBu +18 dBu into 2 k ohms +O,-1 dB, 20 Hz-20 kHz <0.05%, 0 dBu in, 10 dB gain reduction, 1 kHz 38 dB +4 dBu, -10 dBV(switch selectable) -90 dBu, broadband >110 dB -100 dB ,+20 dBu in,20 Hz- 20 kHz >40 dB @l kHz 1.5 milliseconds 1.2 seconds -40 dBu to +1odBu 2.5:1 (soft knee) -10 dB to +10 dB Physical Input connectors ¼" tip-ring-sleeve Output connectors ¼' tip-sleeve Polarity tip of input jack is high, ring is low, sleeve is ground tip of output jack is high, sleeve is ground Chassis size 1.75'H x 19' W x 7.25' 4.45 cm H x 48.3 cm W x 18.4 cm D Shipping weight 8 lbs, 3.63 kg Electrical Power Power Consumption 11 ?V ac, nominal, 105-130V ac, 50-60 Hz 230V ac, nominal, 207-255V ac, 50 Hz 15watts In the Interest of continuous product Improvement, Symetrlx, Inc. reserves the right to alter, change, or modify these specifications without prior notice. ©1995, Symetr1x, Inc. All rights reserved. Highlights Higher Average Recording Levels. The 488 can easily increase average recording levels on your digital or analog tape recorder by 10 dB (or much more if you like) with virtually no side effects. In fact... recorder inputs. This forces engineers to operate the board at uncomfortably low levels. With the flip of a switch the 488 matches most any console to most any digital recorder. Increased Presence. As DYNA-Squeeze increases average levels, musical articulation is magnified. Subtle sounds become more "up front", more "present". Minimum Component Signal Path. In a typical automated console you can find 12-24 opamps and several VCA's in the signal path from mic input to bus output. The DYNA-Squeeze signal path is sonically pure: 2 opamps, 1 VGA. That's it! Level matching. Many professional mixing consoles have output levels that are much hotter than digital Architects and Engineers Specifications OSymetrix STEAM POWERED RADIO.COM The Eight Channel Compressor/Interface shall be a high performance, eight-input, eight-output compressor and signal level interface. It shall occupy a single rack space. (1 U) The unit shall contain eight independent compressors. All eight channels are operated from a single set of controls. It shall not be possible to alter the settings of one channel relative to the remaining channels. Each channel shall have a single balanced input and a single unbalanced output. All input and output connectors shall utilize tip-ring-sleeve (TRS) ¼' jacks. The inputs shall be active balanced bridging designs incorporating LC lowpass filters for RFI supression. An overall threshold control shall determine the threshold of the entire unit simultaneously. An overall gain trim control shall alter the overall gain of all channels simultaneously over a range of± 1OdB. A single in/ out switch shall disable all channels simultaneously. The output signal level shall be switchable between +4 dBu and -10 dBV via a single switch for all channels. The compressor shall be capable of operating by means of its own builtin power supply connected to 11 ?V nominal ac (105-130V) 50/60 Hz. Independent four-element bargraph displays shall be provided for monitoring the degree of gain reduction for each channel. The unit shall be a Symetrix, Incorporated model 488 DYNA- Squeeze·. Symetrix Inc. · 14926 35th Ave. W. • Lynnwood, WA 98037 ·USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] 450 Mic/Line Mixer cg 0' 450 IOCiUHE IIIXE/I cg 0 - .... IIC t/1IL.IN)NI ,AQI Q 0 00 ,_ .... ... - Q 00 ,_ .... ...,. ...... .... ...,. - 0 - 0 - 0 - 0 0 0 2 ...0- 2 ...0- 2 -0 -- 2 -0 - 0- *""'DUTMZOltl _0_ HE 450 MIC/LINE MIXER satisfies the requirements for paging microphone and mono/stereo line mixing in clubs, restaurants, hotels, conference facilities, houses of worship or anywhere that multiple audio inputs must be combined and distributed. The compact one-rack-space mixer accepts two microphone inputs (with +48V phantom power and low frequency filters) and four stereo (or mono) line inputs. T Each input may be assigned to a stereo output zone, a mono output zone or both. A unique hierarchical priority structure permits one of the mic inputs and/or one of the line inputs to have priority over the other sources assigned to the same zone. For example, in a typical configuration, a paging microphone assigned to the stereo zone will have priority over a background music source in that zone. A jukebox in the same zone will have priority over the background music, but the paging signal will retain ultimate priority and force muting of both the jukebox and FEATURES the background music whenever the page mic is used. As a result of its inherent flexibility the 450 is a perfect low-cost solution for many small system requirements. By accepting audio inputs from virtually any type of audio source and selectively routing to either the mono or stereo output zone, the 450 can save you time and money in the design and installatjon of your next project. Please call or ax us today for more information and a copy of our free application notes. C henn,el Input. Leve l • Separate stereo and mono output zones • 4 stereo inputs (may be used as mono) • 2 mlc Inputs with +48v phantom power • 2 Inputs have priority override capability • Remote volume control capablllty • Uncompromlsed sound quality • Mic 1 Input accepts telephone page signal Output Priori~/ 2.one Ap ign 0...rride Cin::ui .. Tri m - +-1--D~~ n I R_,,ot.Voh,m • ··5:....:~r Mono OverT'ld e a e ,.ltMty --+-+-+-- ~ 8le reo Override s . ,.1t.1vtty --+-+-+-- * VOA a ... .o o utput(Left) D-f>=d I •~5· o~]"' I R..,o \eVotum • D-fi;£n~ Symetrix Inc.· 14926 35th Ave. W. • Lynnwood, WA 98037 · USA · Tei: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 450 Mic/Line Mixer Specifications Audio 2 balanced low impedance Microphone Inputs >85 dB Mic common mode rejection @1 kHz, 1v RMS +48V (1 Oma per Input max) Phantom power four, stereo, balanced Line Inputs >1Ok ohms, balanced Line input impedance >85 dB Common mode rejection @1 kHz, 1v RMS +24 dBu, balanced Maximum line input level +18 dBu, unbalanced >40 dB Line Input common mode rejection @1kHz, 1V RMS :1:1 dB, 20 Hz-20 kHz Frequency response, any input to any output Physical Microphone inputs Line inputs and outputs Remote volume control inputs Chassis size Shipping weight XLR female (pin 2 high) ¼' tip-ring-sleeve (tip is high) 1/ , tip-ring-sleeve 1.75'H X 19' W X7.5' D 4.45cm H x 48.3cm Wx 19.1cm D 8 lbs, 3.64kg Electrical Power 117V ac nominal, 95-130V ac, 50·60Hz (UL listed) 230Vac,nominal, 165-255V ac, SOHz (TUVapproved) 15 watts, maximum Power Consumption In the interest of continuous product improVl!ment, Symetrix, Inc. reserves the right to alter, change, or modify these specifications without prior notice. C 1995, Symetrlx, Inc. All rights reserved. Highlights Superb audio perfonnance. All circuits in the 450 have been carefully designed to meet or exceed the sonic performance of the finest studio quality mixers. Versatile and hassle-free. Accepts microphone or line level inputs and everything inbetween. It doesn't matter what your audio source is, what impedance it is, or where it's coming from. Chances are you can plug it straight into the 450 and get the right level. Reliable. The 450 is manufactured using the highest quality industrial grade components. We rigorously test each and every parameter of every unit leaving our factory. You can expect years of trouble free operation from the 450. Backed by a company that cares. With almost twenty years in the professional audio industry, Symetrix strives to support each and every customer in any way that we can. We care. We're in it for the long haul. Architects and Engineers Specifications The audio microphone and line mixer shall be a high performance unit occupying a single rack space (1 U). The unit shall have two low impedance, balanced microphone inputs with connection via female XLR. Each microphone Input shall have a rear panel gain trim potentiometer which varies the gain of the microphone preamplifier over a 35dB range from 25 to 60 dB. Microphone input #1 shall also accept balanced or unbalanced line level signals from a telephone system (nominal sensitivity of -1 SdBv) via a ¼' phone jack connector. Associated with each microphone input shall also be a level control potentiometer whose purpose is to establish the level of the microphone channel as it is mixed to either a mono output zone, astereo output zone, or both simultaneously. Each microphone input shall also have a first order low cut filter with a 100 Hz rolloff frequency. The mic/line mixer shall have four stereo, balanced line level Inputs. Each input shall be assignable to either amonaural output zone,astereo output zone, or both. Associated with each line input shall be a level control potentiometer whose purpose is to establish the level of the line level input signal as it is mixed to either a mono output zone, a stereo output zone, or both simultaneously. OSymetrix STEAM POWERED RADIO.COM Microphone input number one and line input number one shall serve as dedicated priority inputs meaning that audio applied to either of these inputs may override (duck) mic input #2 and line inputs #2,3, and 4 provided they are assigned to the same output zone as the priority input is assigned. Independent master output level controls shall be provided for both the monaural output zone and the stereo output zone. For each output zone a potentiometer shall be provided which establishes the sensitivity (threshold level) at which the priority input overrides the other inputs. Independent means shall be provided to remotely control the output level of the mono output zone and the stereo output zone. Rear panel jacks shall be provided to accept connections from standard SOK linear potentiometers forth is purpose. When wired for remote control, the front · panel output zone controls shall be disabled. The mic/line mixer shall be a Symetrix, Inc. model 450 Mic/Line Mixer. Symetrix Inc.· 14926 35th Ave. W. , Lynnwood, WA 98037, USA• Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] 425 Dual Compressor/Limiter/Expander I N DESIGNING THE 425 DUAL COMPRESSOR/LIMITER/EXPANDER, Symetrix engineers aimed for audio control that would work for a variety of audio applications. Providing you with the right combination of tools is what IDP (Integrated Dynamics Processing) is all about. IDP makes all three processing modes (compression, limiting, and downward expansion) available all the time: no switching between sections, no patching in extra boxes. If background noise, tape hiss, or pickup hum is the problem, eliminate them with the downward expander. The 425 uses a true downward expander, not a socalled "soft gate". A downward expander won't chop off the transients and decays like a gate would, yet it can work just as effectively for reducing those noises between sounds. A noise gate works like an on/off switch while a true downward expander works like an engineer riding a fader, following the signal as it decays. While the downward expander is taking care of the noise, the 425's compressor section allows you to apply the right amount of compression from a gentle squeeze to a hard squash without "pumping" or "breathing". And because the separate limiter section is guarding against peaks that would cause problems, it frees the compressor section to be set for the job of compression and not protection. Trying to set a typical compressor for multiple jobs like this usually results in settings that aren't optimized for either application. The limiter protects against problems and the compressor smooths signals out for a silky, listenable finish. Symetrix uses powerful, streamlined controls that make the 425 easy to set up and operate. Appropriate parameter adjustments allow you to match the settings to the situation. You decide the way you want the 425 to react to the signals, not some predetermined ratios or thresholds. The 425 is easy to install, providing both XLR balanced and ¼' line level connectors. The UL approval means that it can fit into any installation with confidence. In the final analysis, Integrated Dynamics Processing means clean, quiet sound that meets professional demands in any situation. High-quality components and "minimal signal path" circuitry make the 425 exceptionally transparent. The Symetrix name on the front panel guarantees it all. Features • Integrated Dynamics Processing includes downward expander, compressor and limiter • Stereo-coupled or two-channel operation • Individual LED meters for each processing section and output • Separate threshold controls for expander, compressor and limiter • Sidechain input/output • Balanced XLR and unbalanced 1/4" line level connections flh\ Ull41rwrlt111 ~ La~!!?torlh Inc., Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA• Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 425 Dual Compressor/Limiter/Expander y [email protected]([o·--a])@oa" -rrr=~ ..,.._ D Symetnx ""'*-· ©) ~ffl.&WIJMN)T(»\ UNIT£08lllt'U"Mlf.AICA @ ~ SIOECHAN ~ IUl- hlllllt•tir• ~ 425 f) OOTPI/T 0 UNBAlANCEO 9 """"' 0 0 SIOECHAIN BAlN<CEO IN/OUT IIUINl hLOW•II M:I Ulllll l oOlllo lA'llll'l'f INPUT l-"BAlN<CEOI BAI.AHCEO (9 OOTPI/T 0 UNBALANCED 9 BAI.AHCEO BAlN<CEO D @ IIPUT SIDECHAIN l,INllAl,\NC(O, (9 IN/OUT BAlN<CEO BAlN<CEO 0 0 @ Specifications 10 Hz to 60 kHz +O, -3 dB Frequency Response THD+N .02%, 4 dBu in, +18 dBu out, 0 dB gain reduction, 20 Hz to 20 kHz, 30 kHz low-pass filter .04%, 4 dBu in, +4 dBu out, 1OdB gain reduction, 1 kHz, 30 kHz low-pass filter +25 dBu, balanced +23 dBu balanced (600 ohms) +20 dBu, unbalanced +18 dBu unbalanced (600 ohms) at onset of clipping (1 % THO) Maximum Output Maximum Gain Reduction Maximum Input Input Impedance 40 dB +20 dBu, balanced +20 dBu, unbalanced 43 kilohms, balanced 30 kilohms, unbalanced Output Impedance 300 ohms balanced 150 ohms unbalanced Load Impedance 600 ohms minimum, balanced/unbalanced Output Noise Dynamic Range Crosstalk Sidechain -90 dBu, measured at balanced output, input terminated in 600 ohms, 20 kHz rolloff in analyzer 115 dB (difference of maximum output and noise floor) -95 dB 1k, [email protected] 1Ok, +4 dBu in, remaining channel terminal terminated in 600 ohms, 20 kHz rolloff in analyzer CMRR Greater than 40 dB Compressor Type Attack Time Release Time Auto Release Threshold Ratio RMS responding 2mS 180 mS to 2.5 S long-term 20 mS to 1 sec. (20 mS burst) -40 dBu to +20 dBu (bypass) 1:1 to 10:1 Limiter Attack Time Release Time Threshold Ratio 200 ~s 100 ms -10 dBu to +20 dBu 20:1 Expander Attack Time Release Time Threshold Ratio 4mS 250 ms to 5s OdBu to -40 dBu (bypass) 1:1.5 Physical Connectors Polarity Size Shipping Weight Power input: XLR , 'I/ TRS output: XLR, 'I/ TRS sidechain: 1/ , TRS (one) pin 2 of XLR is hot, tip of TRS jack is hot 1.75'H X 19'W X 7.25'0 4.45cm H x 48.3cm W x 18.4cm D 8 lbs (3.63kg) 10W, 120 Vac, 60 Hz 10W, 220 V ac, 50 Hz ©1995 Symetrix, Inc. Specifications subject to change without notice. 1OD-ohms source impedance, 6800-ohms input impedance, TRS jack, tip is return Architects and Engineers Specifications The Compressor/Limiter/Expander shall be a dual channel model that controls the dynamic range of wide range, wideband audio signals, providing compression , peak limiting, and downward expansion simultaneously. The unit shall occupy one rack space (1 U). The threshold of the compressor section shall be adjustable over arange of -40 dBu to +20 dBu via afront panel control. When the control is fully clockwise the section will be in bypass mode. The input-to-output ratio will be adjustable from 1:1 to 10:1. Control of the compressor release time shall be program dependent with in a range set by the front panel release control. The compressor section will have a dedicated eight segment LED ladder that will display the gain reduction amount. The Compressor/Limiter/Expander shall contain an integral peak limiter having a 20:1 ratio and adjustable threshold level. A green LED indicator shall be provided to indicate peak limiter activity. Afront panel switch, with LED indicator, shall select between dual mono and stereo master/slave operation. Each channel shall have a bypass switch which defeats all front panel controls for that channel. The Compressor/Limiter/Expander shall also contain a downward expander having a 1:1.5 expansion ratio with threshold, and release time controls. A four segment LED display shall be provided to indicate the amount of downward expansion. The inputs shall be active balanced bridging designs terminated with 3-pin XLR (AES/IEC standard wiring) , and 'I/ TRS female. The input circuitry shall incorporate RFI filters. The outputs shall be active bal- OSymetrix STEAM POWERED RADIO.COM anced designs having equal source impedances and terminated with 3-pin XLR (AES/I EC standard wiring), and ¼' TRS female. The balanced inputs shall accommodate +20 dBu signals without distortion, and the balanced outputs shall be capable of delivering +23 dBm into a 600-ohm load. Overall frequency response shall be 10 Hz to 60 kHz (+O dB, -3 dB). THD+N shall be 0.02% measured under the following conditions: +4 dBu input, +18 dBu output, BYPASS switch out, 20 Hz to 20 kHz, · 30 kHz low-pass filter, OdB gain reduction. Residual noise output shall be no greater than -90 dBu, measured with a 20 kHz noise bandwidth, input terminated in 600 ohms. When the unit is inoperative (either by loss of power, or via the BYPASS switch), the inputs and outputs shall be wired together. There shall be no transients transmitted to the output terminals during either turn-on, turn-off, or bypass operation. Access to each channel's sidechain shall be provided via a single 1/4' TRS female connector. The ring connection shall be the sidechain output and the tip connection shall be the sidechain return. The unit shall be capable of operating by means of its own built-in power supply connected to 117V nominal ac (105 to130V) 50/60 Hz (230V nominal, 207 to 253V ac, 50 Hz where applicable). The AGC shall be Listed by Underwriters Laboratories, Inc. (UL) or other equivalent nationally recognized safety testing agency. The unit shall be a Symetrix Incorporated model 425 Dual Compressor/ Limiter/Expander. Symetrix Inc.• 14926 35th Ave. w., Lynnwood, WA 98037 • USA• Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] 422 Stereo AGC-Levele r AVE YOU EVER NOTICED how audio comes in all shapes and sizes? There's loud audio. There's quiet audio. There's pretty audio. There's ugly audio. There's music. There's speech. There are CD's mastered at drastically different levels. There are movie sound tracks where the effects are too loud and the dialog so soft you can't understand the words. H Have you ever been on an airplane trying to watch the movie and found yourself repetitively turning the volume up and down and up and down again? The background noise is high and the movie sound track is either uncomfortably loud or buried in the background noise. And you ask yourself, "Why in this age of really hi-tech audio systems can't I enjoy the audio track for this movie I'm trying to watch?" Well, back on earth if you want to free yourself from the ups and downs of unpredictable audio program levels then you need a Symetrix 422 Stereo AGC-Leveler. It's easy medicine. The 422's controls are simple and intuitive, making setup a nonevent. But the real payback is in the sound- the 422 converts "all over the map" signal levels into smooth, intelligible, constant level audio. Why can't I use a compressor/limiter to do the same thing? When it comes to maintaining constant output levels, a compressor/limiter can only do half the job, at best. Sure, when things get too loud the comp/limiter kicks in, but what about when things get too soft? A comp/limiter is a "top down" device - it pushes down from the top, preventing overload and distortion in subsequent stages. But what about the "bottom up" part of the deal? What about the low level signals that contribute so much to the intelligibility of speech and the enjoyment of music? The 422 Stereo AGC-Leveler solves the problem. The 422 does it all. It makes the loud sounds quieter and the quiet sounds louder. And it does it with finesse. You'll be amazed. The 422 works without the side effects audio professionals have been conditioned to expect from compressors and limiters. Noise, pumping, and modulation are not part of the 422's vocabulary. Bringing the volume to where you want it and keeping it there is what the 422 is designed to do. The 422 may be used in_virtually any type of sound system for processing just about any kind of audio. Insert the 422 at a convenient patch point where you have "line level" audio. We don't hassle you with annoying "-10,+4" level matching switches - just give the 422 a basic line (not mic level) signal and you're ready to go. The 422 is easy to use. There are basically only four controls. The first and most important is the target level control. As the name implies, this control sets the volume where you want it. The 422's unique input over output parallel VU meters simultaneously show you the unmodified input signal on top and the result of your target level setting just below it. The detector control increases the "sensitivity" of the AGC. As you turn it counterclockwise the 422 gently "reaches down" for the lower volume audio and brings it up. Set the target level and detector, then use the ratio control to increase or decrease the amount of leveling. At high ratios the program density increase results in a more "present" or "in your face" sound. At low ratios the 422 performs subtle, yet effective, automatic gain riding. Lastly, adjust the peak limit control to create an absolute "ceiling" level. This is an especially handy feature for protecting amps and speakers in discos where DJ's often succumb to a disease known as "volume creep" as the evening wears on. The 422 Stereo AGC-Leveler is a remarkably sophisticated volume controller that is amazingly easy to use and brought to you by a company with almost twenty years experience in the design of dynamic range controllers. If you want to know more please call or FAX today. Features • 'Target Level' control makes setup simple and quick • Peak limiter prevents sound system overload or tape distortion • Parallel input/output LED meters show exactly what's happening • Remote bypass port • Solid, reliable, built to last Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 422 Stereo AGC-Levele r y ~9 @'"0 0 0 C( AC~ CJ1-1 --== o ~ ,m ,ow(R ®oSymetrixO c==J m~ 0UTMS 0 l ~ W A , , U.U "" N'UT$ 0 Q ~ ...... 0UTMS 0 tl ...... N'UT$ ~ TmCALCC>NrECnoNS. ~ ..... l'IN1•SlfM•OAOU«) @ l'IN2•l"P•HIOH l'IN3•AN3•LOW 0 ~~~ bt~or~ X1J1~211..-.. @ Specifications Audio Inputs Outputs Maximum input level Maximum output level Frequency Response THD+noise Stereo, balanced bridging or unbalanced Stereo, balanced or unbalanced +24 dBu 22 dBu into 600 ohms OdB :t: 1dB, 20 Hz-20 kHz .05%, OdBu in, 10dB gain reduction, 1kHz -90 dBu, broadband Output Noise >110 dB Dynamic Range • 60 dB , +20 dBu in, 20 Hz-20 kHz Crosstalk 40 dB @1kHz Input common mode rejection -70 dBu to OdBu AGC Detector range 1:1 to 5:1 Ratio 30 dB Target level range -15 dBu to +25 dBu LimlterThreshold >15:1 Limiter Ratio Physical 1/4" tip-ring-sleeve, XLR, & RCA Input connectors 1/4" tlp-ring-sleeve,XLR, & RCA Output connectors tip of input jack is high, ring is low, sleeve is ground Polarity tip of output jack is high, ring is low, sleeve is ground 1.75'H x 19' W x5.75 D Chassis size 4.45cm H x 48.3cm W x 14.61cm D Bibs, 3.63kg Shipping weight Electrical Power 117V ac, nominal, (105-130Vac), 50-60Hz UL listed (external in-line power supplies): 230Vac nominal (207-255V ac), 50Hz TUV approved 12 watts Power Consumption In the Interest of continuous product Improvement, Symetrix, Inc. reserves the right to atter, change, or modify these specifications without prior notice. 0 1995, Symetrix, Inc. All rights reserved. Architects and Engineers Specifications The Automatic Gain Controller (AGC-Leveler) shall be astereo model that reduces the dynamic range of wide range , wideband audio signals and provides peak limiting. The AGC shall occupy one rack space (1U). The AGC-Leveler shall be capable of controlling audio signals ranging from -70 dBu to +24 dBu and reducing their range by an inpuVoutput ratio of from 1:1 to 5:1. A target output level control shall be provided to shift the level of the output signal over anominal :t:15dB range.The release time of the AGC shall be controlled by the presence and nature of input signals. The AGC-Leveler shall also contain an integral peak limiter having at least a15:1 ratioand adjustable threshold level. Agreen LEO indicator shall be provided to indicate peak limiter activity. The peak limiter threshold shall determine the absolute maximum output amplitude of the AGC/Leveler regardless of other conditions. TheAGC-Levelershall provide identical peak responding input and output level meters. These meters shall be capable of responding to signals ranging from -48VU to+ 12VU (-50 dBu to+ 16 dBu). An output clipping indicator shall be provided. The inputs shall be active balanced bridging designs terminated with 3pin XLR (AES/IEC standard wiring) female and ¼" (tip-ring-sleeve) jacks. The outputs shall be active balanced designs terminated with 3-pin XLR (AES/IEC standard wiring) male and ¼"(tip-ring-sleeve) jacks. OSymet rix STEAM POWERED RADIO.COM Overall frequency response shall be 20 Hz to 20 kHz, :1: 1dB, measured at +4dBv output. There shall be no morethan 0.02% harmonic distortion measured under the following conditions: +4dBu input, +4dBm output, BYPASS switch out, 1000Hz test frequency. Residual noise output shall be no greater than -90 dBu measured in a 20 kHz noise bandwidth with an rms responding meter. When the unit Is inoperative (etther by loss of power, or via the BYPASS switch,) the inputs and outputs shall be wired together. A REMOTE BYPASS facility shall be provided whereby an external contact closure shall force the AGC-Leveler into BYPASS mode. The 117V nominal ac (105 to 130V) 50/60 Hz supply shall be UL listed. The 230V nominal ac (207 to 253Vac) supply shall be TUVapproved,with an external in-line power supply. The AGC-Leveler shall be a Symetrix, Incorporated model 422 Stereo AGC-Leveler. Symetrix Inc. • 14926 35th Ave. W. • Lynnwood, WA 98037 · USA · Tel: (206) 787-3222 • FAX: (206) 787-3211 · e-mail: [email protected] 421 m AGC-Leveler with Mic/Line Input HE SYMETRIX 421 m AGC-LEVELER is a sophisticated audio gain controller, but what it does is simple: it makes quiet sounds louder and loud sounds quieter-just like a skilled audio engineer. Set the desired, "target" output level and the 421 m gently boosts signals that drop below your target, and smoothly pulls back those that rise above it. Operation is automatic, precise, and completely transparent-no pumping or breathing. The user sets the range of control and the 421 m works exactly as instructed-automatically. T Any audio application where clarity and intelligibility are important can benefit from a 421 m. Everybody speaks at different levels and works at varying distances from the microphone. Intelligibility can vary from person to person or moment to moment. How do you put everyone on the same level? Hire a trained sound engineer... or use a 421 m. The 421 m is equally well suited to processing program material (for stereo applications two 421 m's may be linked). Program levels from soundtracks, CD jukeboxes, or broadcast audio go up and down unpredictably. The 421 m gently and unobtrusively raises the low level audio and compresses the high level audio without side effects. Its flexible input configuration will handle just about any audio source, from studio microphones to telephone-based paging systems. Installed sound systems, recording studios, and broadcast facilities all benefit from increased intelligibility-and that's what the 421 m is all about. Here's how it's done. The 421 m's Automatic Gain Control (AGC) section incorporates a smooth-acting leveling amplifier working in conjunction with a makeup gain stage coupled to the ratio control. Increasing the ratio on the leveling amplifier makes your program denser, but your output level stays constant no matter what happens at the input. Roughly translated, this means that you could speak two feet from a microphone and have the same volume output that you had at 6 inches (and vice versa). To deal with existing system or program noise, the 421 m offers a fullfeatured downward expander section to effectively quiet the output when input signal is absent. A separate "brick wall" peak limiter provides speaker protection in PA systems and overload prevention in broadcast or transmission applications. Last but not least, switchable speech curve filters have been incorporated to optimize the 421 m for voice range performance. What really sets the 421 m apart is the way its "smart" circuitry reacts to real-world situations. Previous AGC designs often proved troublesome because they would confuse noise and feedback with the desired program signal, boosting noise or cutting off soft-spoken phrases. These problems are eliminated by the 421 m's proprietary Auto Release Monitor circuit, which instantly distinguishes the difference between "real" signals (music and speech), noise and feedback. The 421 m's metering system is one key to its simple setup and operation. Parallel LED displays show input compared to output. It is quickly obvious if the 421 m is adding gain to your signal or subtracting. Because you can hear and see the net results of the leveling action the guess work is taken out of setup. Flexible, accurate and trouble-free automatic gain control has always been a good idea. Now, with the pace-setting 421 m, Symetrix makes it a cost-effective reality. Please call or FAX today for more information on how to use a 421 m in your next project. Features • Target oriented AGC-Leveler • Final stage llmlter • Downward expander with Auto Threshold • Line and mlc Inputs • 125 Hz and 6 kHz speech curve filters • Parallel Input/output metering • Stereo linkable Symetrix Inc. • 14926 35th Ave. W. • Lynnwood, WA 98037 • USA • Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 421 m AGC-Leveler with Mic/Line Input 8AlANCEOM48AlJrHCED LNE MPUT BALANCE~ LIE tfP\IT 0119§§~§~~§§11 0 .i. ~ Specifications Connectors Line Inputs ¼"TRS jack and screw terminals 20k balanced bridging, Mic Input XLR-female, 1Ok balanced bridging Outputs XLR-male, screw terminals, 200-ohms source impedance, differentially balanced, +23 dBm maximum level TS phone, unbalanced,+ 18 dBm maximum level Bypass Relay controlled, hard-wire bypass In power-off and bypass conditions. Sidechain TRS phone, unbalanced send and receive, 1000-ohm source impedance, 10k input impedance. Tip= receive, Ring = send. Downward Expander Ratio Threshold Attack Time Release Time AGC-Leveler Ratio AutoRelease Threshold Attack Time Release Time Target Output Range Peak Limiter Ratio Threshold Attack Time Release Time 1:2 -50VU (bypass) to -20VU (Auto Threshold) 1 ms Program dependent, .3 - 3.5 seconds depending on amount and duration 1:1 to 4:1 -70 dBu to -30 dBu approximately 1 ms Program dependent, 500 ms-5 seconds depending on amount and duration. Mic Preamp Gain Range Impedance Max Input Level THO +noise (gain control fully CW) Phantom Power CMRR Sonics Frequency Response 20 to 50 kHz, +4dBm (+0, -1dB) (+0, -3dB mic) Harmonic Distortion <0.05% 20 Hz to 20 kHz, +4dBm, 30 kHz bandwidth. Typically <0.01%@ 1000 Hz. Residual Noise -90 dBu, 20 kHz noise bandwidth, rms responding meter Speech Curve Type Frequencies Switch selected cutoff filters allow tailoring LF and/or HF response for speech applications. LF = 125 Hz, 12 dB/octave HF= 6kHz, 24 dB/octave lnpuVOutput Metering Type Range (min. to max.) Ballistics Calibration Power +20 dB 10:1 -15VU to +23VU (bypass) 1ms for 90% gain reduction .8 seconds +15 dB to +45 dB 10k Ohms +8dBu -85 dBu 48V(±2) >80 dB (10 Hz - 20 kHz) Physical Size Shipping Weight LED Bargraph, 12 steps+ clip 66 dB peak 0 dB = OVU = +4 dBm = 1.23V Ex1ernal in-line power supplies: 11 ?V ac, 50 to 60 Hz, 1OW (UL listed) 230V ac, 50 to 60 Hz, 1OW (TUV approved) 1.75'H X 19'W X 7.25'0 (4.45cm H x 48.3cm W x 18.4cm D) 8 lbs (3.363 kg) ©1994 Symetrix, Inc. Specifications subject to change without notice. Architects and Engineers Specifications The Automatic Gain Control (AGC) shall be asingle channel model that reduces the dynamic range of wide range, wideband audio signals, providing peak limiting, downward expansion and bandpass limiting filters. The AGC shall occupy one rack space (1 U). The AGC shall be capable of controlling audio signals ranging from -70 dBu to +24 dBu and reducing their range by an inpuVoutput ratio ranging from 1:1 to 4:1. The inpuVoutput ratio shall be adjustable via a front-panel control. Response speed switching shall be provided to accommodate speech and music sources. Atarget output level control shall be provided to shift the level of the output signal over anominal ±20 dB range. The release time of the AGC shall be controlled by the presence of Input signal and the signal sensor shall be capable of discriminating between music/speech and random noise or pure tones. The threshold level of the signal sensor shall be adjustable via afront panel control and the presence of signals above the threshold setting shall be indicated via a green LED. TheAGC shall also contain an integral peak limiter having at least a10:1ratio and adjustable threshold level. Agreen LED indicator shall be provided to indicate peak limiter activity. The peak limiter threshold shall determine the absolute maximum output amplitude of the AGC-Leveler regardless of other conditions. The AGC shall also contain an integral downward expander having a 1:2 expansion ratio with threshold and release time controls. Furthermore, the downward expander shall be capable of operating automatically via the signal sensor circuitry. Agreen LED indicator shall be provided to indicate downward expander circuit activity. Bandpass limiting filters shall be provided having alowpass characteristic of 24 dB/ octave at 6 kHz and ahighpasscharacteristicof 12 dB/octave at 125 Hz. Both filters shall be capable of being used indMdually or simultaneously. The AGC shall provide identical peak responding Input and output level meters. These meters shall be capable of responding to signals ranging from -54 VU to +12 VU (-50 dBu to +16 dBu). An output clipping indicator shall be provided. OSymetrix STEAM POWERED RADIO.COM The AGC shall provide facilities for stereo-coupling two units via a shielded 5-pin DIN male-to-male cable. Afront panel switch shall designate which unit is the master and which unit is the slave. The line level inputs shall be active balanced bridging designs terminated with ¼" TRS female and screw terminals. The mic level input shall also be an active balance bridging design using athree pin XLR female (AES/IEC standard wiring). The input circuitry shall incorporate RFI filters. The outputs shall be active balanced designs having equal source impedances and terminated with 3-pin XLR (AES/IEC standard wiring), and screw terminals. Aseparate ¼' TRS jack shall provide an unbalanced output. The balanced line level inputs shall accommodate +24 dBu signals without distortion, and the balanced outputs shall be capable of delivering +23 dBm into a 600-ohm load. The mic level input shall accommodate +8dBu signals. There shall be separate gain trim controls for the mic and the line inputs and the mic input shall provide 48V phantom power. Overall frequency response shall be 20 Hz to 20 kHz,±1dB, measured at +4 dBm output. There shall be no more than 0.02% harmonic distortion, measured under the following conditions: +4 dbu input, +4 dBm output, BYPASS switch out, 1000 Hz. Residual noise output shall be no greater than -90 dBm, measured with a20 kHz noise bandwidth. When the unit is inoperative (either by loss of power, or via the BYPASS switch), the inputs and outputs shall be wired together. There shall be no transients transmitted to the output terminals during either turn-on, turn-off, or bypass operation. The AGC shall be capable of operating by means of an in-line external power supply. The 117V nominal ac (105 to 130V) 50/60 Hz supply shall be UL listed. The nominal 230V (207 to 253V ac, 50 Hz) supply shall be TUV approved. The unit shall be a Symetrix Incorporated model 421 m AGC-Leveler. Symetrix Inc. · 14926 35th Ave. W. · Lynnwood, WA 98037 · USA · Tel: (206) 787-3222 • FAX: (206) 787-3211 •e-mail: [email protected] 420 Stereo Power Amplifier HE 420 STEREO POWER AMPLIFIER is a two-channel power amplifier for use in professional and commercial audio systems. The 420 may be operated as a two channel amplifier with 20 watts (RMS) per channel, or as a single channel amplifier capable of 40 watts (RMS) output (bridgedmono mode). The 420 is intended for use in powering near-field monitors, small reference speakers used for radio or audio for video reference, small paging speakers, multiple pairs of headphones, or as a general purpose line driver/distribution amplifier. T The 420 is easy to install and simple to operate as well. When used as a stereo amplifier, a single ganged potentiometer controls the level of both channels. As a 2-channel amp there's an independent level control for each channel. In conjunction with the level controls each channel has a bright red LED to indicate the onset of clipping. A front panel MODE switch mono sums (mixes) the two inputs. This feature is handy for broadcast and recording engineers who wish to check the mono compatibility of their signals. Commercial sound engineers can use this feature to mix paging signals or paging and music signals. In recording studios and other similar applications, the 420 makes an ideal headphone amplifier. You can drive one pair of phones from the front panel jack, or many pairs from the rear panel terminals. In fact, the 420 will drive multiple professional headphone sets such as the AKG K-240 to 122 dB SPL! While the 420 is compact (1 rack space) and low cost, one should not overlook it's impressive performance data. Total harmonic distortion (THO) is less than .04% at 1 watt output (see the back of this page for complete specifications). The 420 is truly a professional amplifier-clean, crisp sound reproduction and total freedom from noise. As an added feature , the 420's relatively low stray field emissions allow it to be racked next to a wide variety of audio and video equipment without adversely affecting the equipment's performance. As with all Symetrix products the documentation accompanying the 420 is second to none. This means you'll be able to install and begin using the product in no time at all. Our mean time between failure statistics are among the best in our industry, but should you require applications assistance or repair you 're backed up by a worldwide network of Symetrix distributors and dealers. Features • Compact (uses only 1 rack space) • 20 watts/channel (stereo) • 40 watts (mono bridged) • Mono mix mode • Front panel headphone jack • Front panel output mute switch Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA • Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 420 Stereo Power Amplifier r _ _,,,.,. ~420 fflRfO D [}(~}~ @ D $yrrletnx •nu~ ,.,..,.._....,.. :. = ll.t:IVI .cMIOllNC). =: ~ ,_., ~ \M'81ST-.TQO,....:,. ~<a)(]) INPUT2 OUTl'\JlS ""l'"1 + - -~+ ([email protected]@JI lNIAIN<CEDI BAlN<CED 0 20WATTSl'£R()Wr,Nfl,ICMll!CilAS$1 INP\JTI ~ BAlANCE0 IJN8Al,IHCW BAIANCED 0 [email protected] ~ BAlANCE0 ©, Specifications Connections Inputs XLR-female paralleled with tip-ring-sleeve 1/4" jacks 1okilohms line-level balanced bridging balanced CMRR greater than 55 dB @1 kHz Outputs Two, 4 ohms minimum impedance, #6 screw terminals Maximum input level +21 dBu 20 watts RMS, per channel , Maximum output (stereo/2-channel) into a 4- or 8-ohm load Maximum output (mono bridged) 40 watts RMS into an 8-ohm load Minimum load 4-ohms, stereo mode; 8-ohms, monobridged mode 100-ohm source impedance, Headphone output 19V open circuit with speakers off Performance Data (measured at 120V ac line voltage) Frequency response 20 Hz to 20 kHz +O, -1 dB Crosstalk >60 dB (22 kHz bandwidth) Sensitivity OdBu for 20 watts into an 8-ohm load Maximum Gain 27 dB Signal to noise >95 dB Typical Distortion <0.04%, @1 kHz, 1 watt into 8 ohms THD+N <.2%, 20 Hz to 20 kHz, @20 watts into 8 ohms Clip Indicators one per channel Physical Size (hwd) 1.75 x 19 x 7 inches 4.44 x 48.26 x 17.78 cm 7.6 lbs (3.5kg) net 10 lbs (4.6 kg) shipping Weight Electrical Power requirements 120Vac nominal, 108 to 132Vac 60 Hz, 100 watts (01995 Symetrix, Inc, Specifications subject to change without notice. Architects and Engineers Specifications The power amplifier shall be a compact, two input, two output, high performance, power amplifier. It shall occupy a single rack space. (1 U) The unit shall be capable of delivering 20 watts per channel into a minimum load of 4 ohms. The unit shall also have a mono-bridge mode which delivers 40 watts into a minimum load of 8 ohms. The inputs shall be active balanced bridging designs terminated with 3-pin XLR (AES/IEC standard wiring) , and ¼' TRS female. The input circuitry shall incorporate RFI filters . The balanced inputs shall accommodate +24 dBu signals without distortion. Screw terminals shall be provided for power amplifier outputs. THD shall not be greaterthan 0.04%,@1 kHz,@ 1watt in 8ohms. Signal to noise ratio shall be greater than 95 dB. Frequency response shall be 20 Hz to 20 kHz (+O dB, -1 dB). The power amplifier shall be protected from output short-circuits. A front panel Dual Tracking switch shall allow the Channel 1 gain control to simultaneously control the level of both channels. There shall be a ¼' tip-ring-sleeve jack mounted on the front panel for stereo headphoneoutput. Afront panel switch shall be provided to mute the rear panel output connections. Another front panel switch shall be provided to sum the two input signals and route them to the two gain controls. Independent clipping indicators shall be provided for each output channel. The amplifier shall be capable of operating by means of its own builtIn power supply connected to 120V nominal ac (108 to 132V) 60 Hz. The unit shall be a Symetrix Incorporated model 420 Stereo Amplifier. \ OSymetrix STEAM POWERED RADIO.COM Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA• Tel: (206) 787-3222· FAX: (206) 787-3211 • e-mail: [email protected] 402 Dual Output Delay HE SYMETRIX 402 DUAL OUTPUT DELAY is a 1 input, 2 output digital audio room delay intended for acoustical alignment of distant speaker systems. This is a necessity due to the delay caused by distance when multiple speakers are spread throughout a large room. In any multi-path situation, large or small, the arrival time for sound arriving at the listener's ears via the room and via the sound system should be matched plus a small additional delay of 10 to 25 ms. The additional delay causes the listener to localize the direction of the sound to that of the first arrival, even if the late arrival is louder. This effect is known as the Haas Effect. The 402 allows you to delay the remote speakers to match the time it takes for the signal coming from the main speakers to reach the listener positioned near the remote speakers. This way the two signals (delayed remote speakers and non-delayed front speakers) arrive at the listener at the same time. This improves intelligibility and helps focus the listener's attention to where the sound is really coming from. The 402 may be used wherever quiet, distortion-free delay is needed: churches, auditoriums, theaters, concert halls, stadiums, and large meeting rooms. T What sets the 402 apart from other delays is the meticulous attention paid to superb audio performance specs. A 64 times oversampling 19 bit AID converter feeds the signal through a 20 bit digital delay line. The two delayed outputs return through 18 bit D/A converters for total system dynamic range exceeding 100 dB. To further optimize noise performance, the 402 provides a 12 segment input headroom meter which makes it extremely simple for the user to optimize input level settings. Simply put, the sound of the 402 is transparent enough for even the most demanding applications-better than CD quality to say the least. Setting the delay times of the two outputs is a snap. The user first selects which output to adjust and then either increases or decreases the delay time with the push of a button. A bright seven segment LED displays the delay time. Delay times are displayed in milliseconds, feet, or meters. If desired, the user may measure the distance from the front of house speakers to the placement of the remote speakers and simply enter in the distance in feet or meters. The 402 figures the proper delay time accordingly. There are no cryptic dip switches or multi-page displays to contend with. Installers can choose XLR balanced, ¼' phone connectors, or barrier terminal block for the input and outputs. For security, a rear panel lockout switch disables the delay adjustment controls. An optional full panel security cover is available as well. The 402 is a reliable, easy to use, high performance digital delay, which comes with the Symetrix reputation for quality and support. Features • 19 bit A/D, 18 bit D/A's for >100 dB dynamic range • Two Independently adjustable outputs • Simple, Intuitive user Interface • Delay settings stored In non-volatile memory -no battery to replace • Automatic hard wire bypass In case of power loss • Front panel lockout • Barrier terminal, XLR, and ¼" phone connectors Iii.'\ Undtrwrtllrs cy llll!!!tor1ts Inc .• Symetrix Inc.· 14926 35th Ave. W. • Lynnwood, WA 98037 ·USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 402 Dual Output Delay rD ·-- @(ra aal)wD ©, .... -402 , 0 ~R Symetnx ---· (0) tlArTUW4'HNJfOIII. l#flOlf.t.mMAMOICIII @ ~ e e o 11~~~~~~~~~~~~11 ~ ~ - l.NWANCED I~~:~ I OEIAY1 OEIAYI - 1+ - + • DElAY • OEIAYI BAIANCED l.NWANCED ~ ~ N'IJT @ - + • N'IJT BAlANCED BAlANCED ~ Specifications One, 4700-ohms balanced bridging XLR-female, TRS and screw terminals Inputs Outputs Maximum Output Level Frequency Response Distortion (THD+nolse) Headroom Display Dynamic Range Signal-to-Noise Sample Rate Converter Type Oelay Storage Two, 100-ohms source impedance, balanced. XLR-male, TRS and screw terminals Maximum Input Level Maximum Delay Time Conversion Method +20 dBu Parameter Storage +22 dBu into an open-circuit balanced load +20 dBm into 600 ohm balanced loads 12 Hz to 20 kHz ±1 .5 dB Security <0.015%@1 kHz, 1V RMS 885 milliseconds, 999 feet, 304 meters Approvals 12-LED bargraph, 8 green LED'[email protected] 6 dB/step 3 yellow LED's @1 dB/step 1 red LED @ true clipping Physical Size (hwd) >104 dB. This represents the difference between the largest and smallest signals that will pass through the 402. Measured using 8192 point FFT with Blackman-Harris windowing function 93 dBfs measured with RMS voltmeter using 20 kHz "Brickwall" filter Weight Electrical Power Power consumption 18-bit linear, 64X oversampling times 2 2 18-bit samples per sample period processed to form a 19-bit word. 20-bit data is stored EEPROM non-volatile memory Backup battery NOT required Guaranteed for 10,000 parameterchanges over 6 years at 4 delay changes/day, every day) Recessed rear panel lockout switch disables delay increment switches Optional security cover (SC· 1) Listed by Underwriters Laboratories Inc, control number 2T38 1.75 X 19 X7 in 4.44 x 48.26 x 17.78 cm 7.5 lbs, 3.4 kg (shipping wt.), 6 lbs, 2.7 kg (net) 117V ac nominal, 105 to125Vac 50 to 60 Hz, 230V ac nominal, 205 to 253V ac, 50 Hz 12.5 Watts 101995 Symetrix, Inc. Specifications subject to change without notice. 48 kHz Sigma-Delta Architects and Engineers Specifications The Digital Delay (DDL) shall be a single input, dual output model that delays its input signal by a precise period before delivering the delayed signal to its output. There shall be two independent delays provided, each sharing a common input, and a common chassis. All signal processing shall occur within the digital domain. Delays utilizing bucket brigade delays, or other analog means shall not be acceptable within the letter of this specification. The DDL shall occupy one rack space (1U). The DDL shall be capable of delaying an audio signal by up to 885 ms. The delay time shall be adjustable in one millisecond, one foot, or one meter increments. The delay lime shall be displayable in milliseconds, feet, or meters and shall be selectable from the front panel at any lime during operation. Each channel's delay time shall be stored in non-volatile memory. Provision shall be made to disable the front· panel delay-time adjustment. The DDL shall indicate its peak input signal level via a multi-step LED ladder having the following indication points: ·48, -42, -36, ·30, ·24, 18, -12, ·6, -3, -2, •1, and clip. The frequency response shall be 12 to 20000 Hz ±1.5 dB. The dynamic range shall be 104 dB minimum. The dynamic range shall be defined as the difference between the largest output signal possible and the smallest output signal possible. The total harmonic distortion shall be no more than 0.015%, measured at 1 kHz, 1V RMS. The inputs shall be active balanced bridging designs terminated with 3pin XLR (AES/IEC standard wiring) , ¼' TRS female, and screw terminals. The input circuitry shall incorporate RFI filters. The out· puts shall be active balanced designs having equal source impedances and terminated with 3-pin XLR (AES/IEC standard wiring) , and screw OSymetrix STEAM POWERED RADIO.COM terminals. A separate ¼' TRS jack shall provide an unbalanced output. The DDL shall accept input signals ranging from · 10 to +4 dBu. The balanced inputs shall accommodate+20 dBu signals without distor· tion, and the balanced outputs shall be capable of delivering +22 dBu into an open-circuit balanced load, and +20 dBm into600-ohm balanced loads without distortion . The output level of each output shall be adjustable over the range of -1Oto +4 dBu. When the unit is inoperative (either by loss of power, or via the BYPASS switch), the inputs and outputs shall be wired together. There shall be no transients transmitted to the output terminals during either turn-on, turn-off, or bypass operation. The Digital Delay (DDL) shall be capable of operating by means of its own built-in power supply connected to 117V nominal ac (105 to 130V) 50/60 Hz (230V nominal ac, 207 to 253V ac, 50 Hz where applicable). Power consumption shall be 12.5 Watts. The DDL shall be Listed by Underwriters Laboratories Inc. (UL) or other equivalent nationally recognized safety testing agency. The unit shall be a Symetrix Incorporated model 402 Dual Output Delay. Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA • Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] SX208 Stereo Compressor/Limiter HE SX208 STEREO COMPRESSOR/LIMITER is a true stereo dynamic range controller offeri ng both studio sonic performance and ease of operation at a very economical price. T Like all Symetrix compressor/limiters, the half rack sized SX208 gives full sized performance with no objectionable side effects sometimes associated with dynamic range controllers. The heart of the SX208 is built around an industry standard high performance VCA enabling a dynamic range in excess of 110 dB with a typical distortion of less than .03%. Ease of Operation By eliminating redundant controls found on competing designs, the SX208 is a step ahead in usability and reliability. Three LED's "tell" the operator when the input signal is below threshold, "right on the money" or too "hot". SX208 response times (release) are program controlled. The incoming signal itself determines how the unit will behave. Responding quickly to transients and gently to longer term level changes, the SX208 combines the advantages of both RMS and peak detection circuitry. A front panel Fast/Slow response time switch works in 0 conjunction with the program controlled Features • Exceptionally low noise and distortion • Simple straightforward operating controls • LED indicators for Input level, compression, and clipping • Balanced or unbalanced signal connection • UL approved power supply SYST£M circuitry to adapt to various material types- fast for percussive sounds, slow for smoother signals like vocals or speech. Optional SX200 Series Accessories: SC-2 Security Cover - security cover/filler pane PS-2 Power Supply - replacement power supply RM-2 Rack Mount - 19' rack mounting shelf Specifications Input Impedance Maximum Input Level Balanced Input CMRR Output Source Impedance Maximum Output Level balanced bridging >10 kilohms +18 dBu >40 dB at 1 kHz balanced 300 ohms unbalanced, 600 ohms balanced +20 dBm, 600 ohms, balanced +17 dBm, 600 ohms, unbalanced THD+N Signal to Noise Ratio Dynamic Range Visual Indicators Connectors Physical Size .03%,+4 dBm, 1 kHz Frequency Response 20 Hz to 20 kHz, +0,-1 dB Compressor/limiter Max. Attack Min. Attack Max. Release Min. Release Ratio Max. Gain Reduction Soft-knee transition characteristic 12 dB/ms 6 dB/ms 10 dB/ms 1 dB/ms 1:1 to 20:1 40 dB Controls System Bypass, Input Gain, Ratio, Response nme Output Greater than 92 dB Shipping Weight Power Requirements Accessories PS-2 RM-2 SC-2 110 dB Threshold, Output Clip, Gain Reduction Inputs and Outputs: 1/4' TRS Phone Jax 1/2 rack unit Chassis 1.5'H x 8.2-W x 6'D Front Panel 8.5-W x 1.75'H 5 lbs 16V ac, 200 ma (Symetrix PS-2 supplied) (Symetrix PS-2 for 11 0V ac operation, PS-2EP for 220V ac operation) Spare power supply Two-unit standard 19' rack mount Security Cover \C1995 Symetrix, Inc. Specifications subject to change without notice. Symetrlx Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA • Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM SX204 Headphone Amplifier Applications STUDIO RECORDING Drive four sets of phones Independently, or drive many sets of medium to high Impedance phones simultaneously (up to 240 total pairs of 600-ohm phones) DISPLAYS Active museum displays, point-of-sale displays, audio guided tours, etc. BROADCAST Drive phones loudly enough to penetrate even the most hardened air personalltles REMOTERECORDING Drive phones loud enough to overcome headphone leakage EDUCATIONAL An Inexpensive, durable way to provide a headphone distribution system for A/V learning facllltles IN-EAR MONITORS On stage monitoring using ear-worn ear speakers SX SERIES HE MODEL SX204 HEADPHONE AMPLIFIER is a 1-in 4-out amplifier designed to drive multiple headphones of any impedance. Symetrix' proprietary high voltage converter technology gives the SX204 the ability to drive high impedance headphones with the equivalent output voltage of a much larger power amplifier, yet provides more than ample current for low impedance phones. The four stereo outputs automatically adjust output power to accommodate different load impedances. T Each of the four outputs has its own set of amplifiers, each with its own output control. Independent amplifiers allow mixing and matching totally different headphone types. Features Controls provided are input level, output level for each individual amplifier, and a stereo/mono switch. • Four independent stereo outputs driven from one stereo input The Stereo/Mono switch allows the amplifier to be used several ways. As a "normal" stereo amplifier (with four outputs), the left and right inputs are used for stereo signals, which feed the left and right outputs. Switching to mono with a stereo input provides a quick check of the mono compatibility of a stereo mix. • Drives high- or low-impedance headphones • Stereo or mono operation • Capable of > 50V peak-to-peak output swing into 2000-ohm load • Individual level controls for each output As a mono amplifier, one signal fed to either input will feed both outputs. Also in mono mode, when two different mono signals are fed to the left and right inputs, they will be combined to feed both the left and right outputs. • Master Input level control • Balanced or unbalanced signal connection. • UL approved power supply The inputs are electronically balanced, but will operate normally in an unbalanced configuration when 2-conductor ¼' plugs are inserted. The outputs are ¼' stereo connectors. !lvt.-tx Since the SX204 has a hatt-rack width chassis, two such units may be mounted in a single 1.75" rack space, giving eight individually controlled stereo headphone outputs. =~Q..... ~? <? ~ -~--~--~-~-: ..,o ""' Optional SX200 Series Accessories: SC-2 Security Cover - security cover/filler pane PS-2 Power Supply - replacement power supply RM-2 Rack Mount - 19" rack mounting shelf _,.W::1\.MOfltl'l'CYIDC. ILlffl.l. . . Ull MJWXII.CJ0CWI.... ICIWfllll'l'C,l&f"""I Specifications Inputs Impedance Input Connector Max Input Level Outputs Maximum output level Output Connectors 4 each, low-Z, 160-ohm source impedance >50V peak-to-peak into 2000 ohms '!." stereo (x4) Power Requirements 16Vac, 200 ma (Symetrix PS-2, included) Audio Performance Frequency Response THD+N OSymetrix STEAM POWERED RADIO.COM Bridging, balanced/unbalanced, transformerless >1Okilohms/leg ¼" Tip-Ring-Sleeve +18 dBu 20 Hz to 20 kHz, +O, •1 dB .01 % (1 kHz, OdBm, 600 ohms) .02% (1 kHz, +24 dBm, 600 ohms) Signal to Noise Ratio Gain Physical Size Size (HWD) Weight Accessories PS-2 RM-2 SC-2 95 dB 20dB ½ rack unit 1.75 X 8.5 X 6.5 in 2.5 lbs Spare power supply Two-unit standard 19" rack mount Security Cover ©1995 Symetrix, Inc. Specifications subject to change without notice. Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 ·USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] SX202 Microphone Preamplifier HE MODEL SX202 DUAL MICROPHONE PREAMPLIFIER is an ultra clean two channel stereo/mono preamp, intended for use in the most critical digital and analog recording situations. In addition, the SX202 is ideally suited for broadcast use, and for general purpose paging or public address applications. T Used in place of older preamp designs, the SX202 offers substantial sonic improvements with its solid stereo imaging (less than 1Odegrees phase shift at 20 kHz), excellent transient handling (its positive and negative slew rates are symmetrical), very low noise (approaching the theoretical limit), and almost unmeasurable distortion (.007%). Features Its unique combination of features and performance make the SX202 a very versatile product, designed to deliver superior performance in a wide variety of circumstances. Variable gain inputs, with 15 dB pads, allow the SX202 to handle any input up to 14 dBV. Switchable +48 volt phantom power is included for professional condenser microphones. One channel is equipped with a polarity switch, to correct for improperly wired cables or unresolvable mic placement problems. In addition to the individual outputs from each preamp, a left + right output is included to provide a combined mono feed. • Input levels to +14 dBV Left/Right and Left + Right outputs • Uncompromising sonic performance • +48 volt phantom powering • Polarity reversal • Compact (¼ rack) and lightweight • UL approved power supply Optional SX200 Serles Accessories: SC-2 Security Cover - security cover/filler pane PS-2 Power Supply - replacement power supply RM-2 Rack Mount - 19' rack mounting shelf 0 -·O. . . ~0.. o ~.. o - . . NO 0 .. .. w. M & 0 ONO .. .. GM! OUT & ----Specifications Inputs Type Input Impedance Maximum Input Level Connector Clip Indicators Frequency Response low-Z balanced, transformerless >3 kilohms +14 dBV (with pad) XLR-3 red LED's, fire 4 dB below clipping 20 Hz to 20 kHz, +O dB, •1 dB 0.007% (1 kHz, OdBm, 600 ohms) 0.01 % (1 kHz, +24 dBm, 600 ohms) THD+N Maximum Gain 60 dB Minimum Gain 20 dB Outputs Type Output Source Impedance Maximum Output Level (600 ohms) Connectors Power Requirements Signal to Noise Ratio EIN low·Z 600 ohms balanced 300 ohms unbalanced +24 dBm balanced +18 dBm unbalanced 1/4' TRS balanced/unbalanced 16V ac, 200 ma (Symetrix PS-2 supplied) 95 dB (·50 dBV, 150 ohms) ·128 dBm (150-ohm source, 20 Hz to 22 kHz 60 dB gain) Phantom Power (DIN 45 596) +48V Physical Size Size (HWD) ½ rack unit 1.75 X 8.5 X 6.5 in 0 1995 Symetrix, Inc. Specifications subject to change without notice. Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 • USA• Tel: (206) 787-3222 • FAX: (206) 787-321 1• e-mail: [email protected] STEAM POWERED RADIO.COM SX201 Parametric EQ/Preamp Applications PARAMETRIC EQUALIZER Use the SX201 for a problemsolvlng channel-Insert EQ for curves that are beyond the capablllty of your console's channelEQ BALANCED LINE DRIVER Use the SX201 's balanced output to drive long lines INSTRUMENT PREAMP The Instrument Input's 30 dB gain make It Ideal for unbalanced, low-level, Instrument sources. The SX201 Is an Ideal "front end" for a studio-grade Instrument preamp HE SX201 EQ/PREAMP provides studio-quality equalization for line level balanced or unbalanced signals, as well as for low level unbalanced signals. Three fully parametric bands of equalization are provided, with +15 dB boost and -30 dB cut capability, allowing the SX201 to be used for both creative and corrective equalization. Overlapping frequency controls cover the entire audio range, from 16 Hz to 20 kHz. Bandwidth is continuously variable from .05 octaves (for deep notch filtering) , to 3.3 octaves (for smooth tone shaping). T The separate line and preamp inputs allow the SX201 to handle nearly any signal level. The line level input provides both balanced or unbalanced terminations, while the preamp input is unbalanced. The line level input is intended for use with signals that have already passed through a preamplifier. The preamp input provides 30 dB gain, and is intended for use with low-level signals such as those from synthesizers, guitars, bass guitars, or electronic drums. An overall input level control allows setting internal signal levels to match the current boosVcut conditions. Features • Input levels to +14 dB Left/Right and Left + Right output • Studio quality • Three-band parametric equalizer with peak/ notch characteristic • Balanced line or instrument inputs • Balanced and unbalanced outputs • UL approved power supply Optional SX200 Series Accessories: SC-2 Security Cover - security cover/filler pane PS-2 Power Supply - replacement power supply RM-2 Rack Mount - 19" rack mounting shelf s.ut, PARAMETNC IE.CWREAMP SX 00 00 SERIES Specifications Line Input low-Z balanced/ unbalanced transformerless input Impedance >20k Frequency Response THO+N Max Input Level Preamp Input +18 dBu SIN Max Input Level Parametric EQ BoosVCut Bandwidth Frequency Range Frequency Response Band Ranges OSymetrix STEAM POWERED RADIO.COM 0.025%, 2 kHz, +18 dBm 101 dB @full output universal low-Z/high-Z unbalanced Outputs Input Impedance 20 Hz to 20 kHz, +O, •1 dB active balanced and unbalanced >20k Source Impedance 100 ohms, balanced 50 ohms, unbalanced Maximum Output +24 dBm, balanced +18 dBm, unbalanced -12 dBu, 20 mV peak/notch curves +15 dB, -30 dB variable, 0.05 to 3.3 octaves 16 Hz to 22 kHz, in 3 overlapping bands, 5 octave range/band 20 Hz to 20 kHz, +O, -1 dB Low: 16 to 512 Hz, Mid: 196 Hz to 6.3 kHz High: 686 Hz to 22 kHz Power Requirements Accessories Physical Size Size (HWD) 16Vac, 200 ma (Symetrix PS-2 supplied) RM-2 two-unit standard 19" rack mount ¼ rack unit 1.75 X 8.5 X 6.5 in ©1995 Symetrix. Inc. Specifications subject to change without notice. Symetrix Inc. • 14926 35th Ave. W. • Lynnwood, WA 98037 ·USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] 551E Five Band Parametric EQ s uperior fidelity, flexibility, power, and precision. That's what sets the 551E Five Band Parametric Equalizer apart from the rest Delivering an unbeatable combination of wide dynamic range, ultra-low distortion, minimal phase shift and ringing, easy to use controls, and rock-solid construction, the 551 E is leap forward in equalizer technology. The five, fully parametric EQ bands are identical in function. Each delivers up to 12 dB of boost and 20 dB of cut, has an adjustable bandwidth control (from .05 octaves to 2 octaves), and a frequency control range from 10 Hz to 20 kHz. Use each band anywhere in the audio spectrum, not just the pre-selected ranges you find on most equalizers. This can be very useful In sound system work, among other things. For instance, you can use three bands to correct low frequency problems and still have two bands left for midrange and high frequency work. You'll find the 551 Eis just as useful for recording and broadcast applications. The wide control range allows you to perform creative as well as corrective equalization. Sweetening vocal tracks, getting that huge drum sound, disk mastering, or perfecting your radio station's signature sound are the kinds of tasks that are well within the 551E's capability. As for sonic quality... Qur proprietary UltraQ™ topology delivers e><tJ:emely low noise audio performance - the kind ou would normally expect only from a much more expensive unit. We've also included a servo balanced output that completely removes all DC offset Direct-coupled input and output stages maximize the 551 E's low-frequency response while minimizing noise and distortion. Inside and out, the 551 E is designed to stand up to the worst road abuse. The tour-worthy all steel chassis houses a double-sided fiberglass circuit board - unlike the flimsy phenolic PCBs found in most budget priced units. Gold plated XLR connectors, a bypass relay, and high precision components ensure accuracy and reliability. Last, but not least, the 551 E has an internal power supply with a detachable cord. If you are an engineer in concert sound, installed systems, recording, or broadcast, contact your nearest Symetrix dealer today. See for yourself why the audiophile performance and uncompromising design of the 551 E Five Band Parametric Equalizer make it the right choice for any professional audio application. Features • UltraQ topology delivers extremely low noise and distortion. • Five identical, fully overlapping EQ bands. • High cut and low cut filters. • Servo balanced output (eliminates DC offset). • Direct coupled Inputs and outputs (superb low frequency response). • Internal power supply with detachable cord. ® Underwrlte11 La~~~torles Inc •• CE Symetrix Inc.• 14926 35th Ave. W. • Lynnwood, WA 98037 ·USA · Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 551 E Five Band Parametric EQ 551 EfM MMD,AAAllffl/llC lOLIAUZD OSymetrix IWUACMEON lYMffllOOO.WA,USA Specifications Maximum input level Maximum output level THD+Noise (1 kHz at +4dBu) +21 dBu balanced +21 dBu balanced +17 dBu unbalanced <0.002% (<10 Hz to 30 kHz measurement bw) -eq in, all bands flat Signal to noise ratio Dynamic range Frequency Response Input impedance Output impedance >96 dB (unweighted, ref to +4dBu) -eq in, all bands flat EQ band control specs: Frequency control range CuVBoost range Bandwidth Chassis size Shipping weight 8 lbs, 3.64 kg AC Requirments via internal supply 117V ac, nominal, 95-130Vac, 50-60 Hz 230V ac, nominal, 165-255Vac, 50 Hz >114 dB -0.5 dB, -3dB (20Hz - 62 kHz) 1Ok ohms balanced, 5k ohms unbal. 600 ohms balanced, 300 ohms unbal. 1OHz - 20 kHz (inc. Frequency Switch) -20 dB, +12dB .05 oct - 2.0 oct 1.75'H x 19' W X 8' 0 4.45cm H x 48.3cm W x 20.3cm D Power Consumption 15 watts, maximum In the interest of continuous product improvement, Symetrix, Inc. reserves the right to alter, change, or modify these specifications without prior notice. Copyright, 1996, Symetrlx, Inc. All rights reserved. Architects and Engineers Specifications The parametric Equalizer (EQ) shall be a single channel unit that shall provide five independent filter bands. There shall also be separate highpass and lowpass filters. The unit shall occupy one rack space (1 U). Each filter band shall have the following controls and control ranges: a cuVboost control with a-20 dB - +12dB range, afrequency sweep control with a100 Hz · 2kHz range, afrequency range multiplier switch with X10, X1 , and 0.1 settings, and a bandwidth control with a .05 octave - 2.0 octave range. There shall also be a 12 dB/Oct highpass filter with a user adjustable cutoff frequency range 6Hzto 260 Hz, and a12 d8/0ct low pass filter with acutoff frequency range from 3kHzto 65 kHz. Afront panel input level control shall provide ±15 dB of gain adjustment. When the unit is inoperative (either by loss of power or via the BYPASS switch), the inputs and outputs will be wired together by a relay. The frequency response with all filter bands flat, EO in, highpass and lowpass set to the outside extremes of their ranges shall be 20Hz - 62 kHz (-0.5, -3dB). The total harmonic distortion plus noise shall be less than 0.002% (EQ in, all bands flat). The dynamic range shall be greater than 114 dB. The EQ shall accept a maximum input signal of +21 dBu and have a maximum output level of greater than +21 dBu. There shall be a front panel clip indicator that will illuminate at 1dB below clipping. It shall monitor the input, output and each EQ band. The inputs shall be direct coupled, active balanced designs terminated with 3-pin XLR (AES/IEC standard wiring), and ~ TRS female. The Input circuitry shall incorporate RFI filters. There shall be a servo-balanced, direct-coupled output that shall terminate in 3-pin XLR (AES/IEC standard wiring) and ~ TRS. The EO shall be capable of operating by means of its built-In power supply connected to 117V nominal AC, 105-130V, 50-60 Hz (230V nominal AC, 207-253V, 50 Hz where applicable). Power consumption shall be 15 watts maximum. There shall be a rear panel receptacle for an IEC type detachable power cord. The EQ shall be UL and CE approved. The unit shall be aSymetrix Incorporated model 551 EFive Band Parametric Equalizer. Symetrix Inc.· 14926 35th Ave. W. • Lynnwood, WA 98037 · USA· Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM 1996 Suggested Retail Price List Effective September 1, 1996 Symetrix Inc.· 14926 35th Ave. W. • Lynnwood, WA 98037 • USA · Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM OSymetrix 1996 Retail Price List 610 Broadcast Audio Dellli.~ 620 20 Bit AID eon,udill.._,,_,·,~--~ 572 571 571 551E 528 Peak-RMS~--501 501-01 Peak-RMS ;oq.,._~ - ..---------,·4 00 SERi ES - - - - 488 DYNA-Bq.,..re 450 425 422 Stereo Power Amc-~t;t~ .,.,..,_"'·~~~--,._. Dual Output Delay - - - SX200 SERi ES, - - SX204 Headphone AmDJlffler• SX202 Dual Mic/PreantlDllllw -------.ACCESSORi ES- - - - usc-1 un1veru1 Security Cover SC-2 Security Cover PS-2 RM-2 PowerSupply Rack Mount All prices subject to change without notice . C1996 Symetrix, Inc. Effective September 1, 1996. STEAM POWERED RADIO.COM International Distributors Country City Company Telephone FAX ARGENTINA AUSTRALIA Buenos Aires Ermington, NSW Winkel Brussels Sao Paulo St. Laurent Guatemala Santiago Zagreb Prague Silkeborg Espoo Paris lbbenbueren Athens Amsterdam Kowloon Mannys Music Center Audio Telex Communications Ply ATEC Audio Technology GmbH ASC Audio Systems Consultants Made In Brazil SF Marketing 541 3830224 02 6471411 541 3817868 02 7482537 02234 74074 02 5211977 18515008 514 8561920 AUSTRIA BELGIUM BRAZIL CANADA CENTRAL AMERICA CHILE CROATIA CZECH REPUBLIC DENMARK FINLAND FRANCE GERMANY GREECE HOLLAND HONG KONG INDONESIA ISRAEL ITALY JAPAN KOREA LEBANON NEW ZEALAND NORWAY PHILIPPINES POLAND RUSSIA SAUDI ARABIA SINGAPORE SLOVENIA SPAIN SWEDEN SWITZERLAND SOUTH AFRICA TAIWAN THAILAND TURKEY UNITED KINGDOM VENEZUELA Jakarta Kiron Bologna Tokyo Seoul Beirut Hamilton Soliemyr Manila Lomianki Moscow Jeddah Singapore Lubljana Barcelona Solna Zurich Johannesburg Taipei Bangkok Istanbul Walton-on-Thames Caracas lnresa, S.A. Audio JBL Chile Lida. Audio Design Praha Music Center s.r.o. Dansk Tele Kommunikation Studiotec Finland Cineco TRIUS Bon Studio S.A. lemke Roos Audio B.V. Audio Consultants Co. Ltd. Multi Audio Pro Tech Top Entel s.r.l. TOWA Young Nak So Ri Sa Fidelio Sound & Vision House Audio & Video Wholesalers Scandec Systems A/S Audiophile Components, Inc. Europe Sound Systems 02234 74004 02 5200827 18512848 514 8561919 2530374 562 223 4310 1 265666 224 810970 86810911 0592055 149446015 05451 94080 01 3609605 0206 972121 23513628 021 6296009 35353762 051 768576 4041253 02 2679697 01 332899 07 8473414 066805960 2583032 27513146 AT Trade Music Halwani Audio Electronics & Engineering Pie. Nova Pro 3 Tai & Ton Studioteknik Dr. W.A. Gunther Eltron (Ply) Ltd. Sea Power Co., Ltd. Amek/ Tac Thailand Nefan Ticaret Ve Sanayi Ltd. Fuzion PLC Sonex De Venezuela C.A. 095 9782016 026691252 65 2235873 609620933 34735818 08734075 019104141 0117870355 22982688 23732722 212 2604514 01932 882222 22395743 2530956 562 225 4116 1 265665 224 810159 86814347 0592090 143001538 05451 78049 01 3645755 0206 974201 23513329 021 6298453 36350445 051 768336 4041324 02 2742611 01 602550 07 8473412 066805959 28187577 39121239 095 9561105 038992783 65 2253709 612632260 34732635 08824476 019103544 0117879627 22982396 23732722 212 2602309 01932 882244 22391607 International Representatives l.ocltlon Coulltry Company Telephone FAX EUROPE England World Marketing Ltd. 01637 877170 01637 850495 Please note: The above listed telephone and fax numbers are given in the international format (as they would be dialed from inside the country). United States Representatives Company Aldridge Marketing Applied Audio Marketing, Inc. 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Jim Sherry Marketing Trankle & Associates Telephone FAX Location (713) 528-2005 (704) 252-9313 (410) 964-1212 (614) 363-9191 (315) 638-1261 (818) 840-8327 (708) 799-0550 (206) 392-3936 (813) 921-4294 (201) 389-1718 (801) 561-8844 (913) 677-1013 (415) 595-4004 (713) 528-1239 (704) 252-9332 (410) 964-0328 (614) 363-1085 (315) 638-1268 (818) 843-6919 (708) 799-0418 (206) 392-3973 (813) 923-7944 (201) 389-1917 (801) 561-9969 (913) 677-2713 (415) 595-0292 TX, LA, OK, AR GA, NC, SC, TN, AL, MS MD, DE, DC, VA, PA, WV OH NY (upstate) South CA, AZ, HI, South NV Ml, IL, IN, WI, MN, KY WA, OR, West ID, West MT, AK FL NY, CT, MA, ME, VT, NH, NJ, RI CO, UT, WY, NM, East ID, East MT KS, NE, MO, ND, SD, IA North CA, North NV Symetrix Inc. · 14926 35th Ave. W. • Lynnwood, WA 98037 • USA • Tel: (206) 787-3222 • FAX: (206) 787-3211 • e-mail: [email protected] STEAM POWERED RADIO.COM STEAM POWERED RADIO.COM
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