BASIS 722az
D I G I T A L S Y S T E M S P R O D U C T S
Preliminary Specifications
BASIS 722azBASIS
RX
722az
A
B
C
D
PORTS
RX
BASIS 722az
TX LINK
QSControl
A
B
C
D
PORTS
DIAGNOSTIC
POWER
CH1 PORT A CH2
TX LINK
QSControl
DIAGNOSTIC
POWER
CH 1 INPUT
CH 2 INPUT
CH 3 INPUT
CH 4 INPUT
CH 5 INPUT
CH 6 INPUT
CH 7 INPUT
CH 8 INPUT
RELAY OUT 1
CH3 PORT B CH4
1 LOGIC OUT 2
1 OMNI IN
2 OMNI IN
3
MADE IN
U.S.A.
LINK
NC NO C
IN MONITOR CHAIN OUT
RELAY OUT 2
3 LOGIC OUT 4
4 OMNI IN 5
OMNI IN
6
RX
TX
CH5 PORT C CH6
CH1 PORT A CH2
CH7 PORT D CH8
RS 232
NC NO C
CH 1 INPUT
CH 2 INPUT
CH 3 INPUT
CH 4 INPUT
CH 5 INPUT
CH 6 INPUT
CH 7 INPUT
CH 8 INPUT
RELAY OUT 1
CH3 PORT B CH4
1 LOGIC OUT 2
1 OMNI IN
2 OMNI IN
3
LINK
NC NO C
IN MONITOR CHAIN OUT
CH7 PORT D CH8
C CH6 next generation
QSControl.net,CH5 PORT
QSC’s
network audio system, achieves the seamless
QSControl
MADE IN
U.S.A.
RELAY OUT 2
3 LOGIC OUT 4
4 OMNI IN 5
INPUTS
NC NO C
integration of the company’s control, processing, and monitoring technologies.
Analog
QSControl.net brings together QSC’s digital, power amplification and loudspeaker
8 line level
OMNI IN
6
RX
TX
RS 232
QSControl
DSP
OUTPUTS
DataPort
24 x 24
4 (8 channels)
products into a unified system that enables the user to administrate it all via a fully
integrated graphical user interface. The new generation BASIS devices are designed to
operate under the company’s QSControl.net platform.
Features
BASIS 722az
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The BASIS platform meets the control, monitoring and processing needs of amplification
and loudspeaker systems over an Ethernet network. The BASIS 722az units combine two
distinct QSC technologies within a single hardware unit. Amplifier and loudspeaker
control, monitoring and protection, and configurable DSP are seamlessly integrated into
one powerful single RU package.
Through QSControl.net, QSC’s BASIS and next-generation RAVE and DSP products can be
networked together and controlled from a single software interface. In addition, multiple
networked computers can be set up to control and monitor all of the units simultaneously.
Fixed Latency DSP
•
Users of most other configurable DSP systems are familiar with a variable latency
inherent in the processing configuration. Add more processing blocks and you also add
delay, whether you want it or not. QSC’s DSP engine is unique in having a short and fixed
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processing latency through the DSP subsystem. When the A/D and D/A converters are
included, the total analog-to-analog latency of a single unit is a negligible 2.354
milliseconds. QSC’s fixed latency DSP is configurable DSP that stays fast and predictable
from one configuration to the next.
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Amplifier and loudspeaker control, monitoring and protection
Configurable DSP functions and signal paths
Fixed latency DSP engine
Ethernet controllable
Each unit can store eight design configurations that can be changed on the fly
Snapshots can recall config or block and/or parameter settings
Matrix mixer – any size, up to 24 x 24
Automixers – gain sharing
Routers – any size, up to 24 x 24
Gain controls – any channel count, up to 24
Graphic equalizers
Filters – high-pass, low-pass, all-pass, shelf, parametric, parametric shelf,
Butterworth high and low-pass, Linkwitz-Riley high and low-pass,
Bessel-Thomson high and low-pass
Crossovers – Linkwitz-Riley, Butterworth, Bessel-Thomson in-phase,
Bessel-Thomson symmetrical, 2-way, 3-way, and 4-way general
purpose adjustable
Compressors, peak limiters, AGC’s, gates, dynamics processor
Duckers – up to 8 channels, up to 60 seconds fade in and fade out times,
priority mix
Pink noise, white noise, sine
Delays
Macros – user-definable custom blocks
For more information, log onto www.qscontrol.net
1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174 • www.qscaudio.com
QSControl.net / BASIS Spec Sheet 06/03/05
Program inputs
Connector type
Type
Grounding
Pinout
Input impedance (nom.)
Common-mode rejection
Input sensitivities (variable)
Program outputs
Connector type
Cable type
Available “stock” lengths
Maximum qualified length
Control room foldback monitoring
Connector type
Pinout
Tap points
Monitor input
Monitor signal (unit off)
Maximum level
Impedance (nominal)
CMRR, 20 Hz – 20 kHz
Monitor output
Monitor
Freq. resp. (20 Hz – 20 kHz)
Distortion (20 Hz – 20 kHz)
Noise floor
Output impedance (nom)
Output load (min)
Monitor level
Control range (nom)
Control Inputs / Outputs
Inputs / Outputs
Dynamic range (AES-17, -60 dB method, all sensitivities)
Unweighted
A weighted
Distortion (20 Hz – 20 kHz, all sensitivities)
+4 dBu (max)
2 dB below clip (max)
Crosstalk (20 Hz – 20 kHz)
Inter-channel (max)
Inter-channel (typ)
Intra-channel (max)
Intra-channel (typ)
Frequency response
20 Hz – 20 kHz (max)
20 Hz – 20 kHz (typ)
Audio converters
Mute
Delay
Analog input through full DSP chain to analog outputs
Monitor
Performance
PRELIMINARY SPECIFICATIONS – BASIS 722az
Relay outputs
Connector type
Configuration
Pinout
Switching capacity (nom)
Logic outputs
Connector type
Configuration
Pinout
Omni inputs
Connector type
Configuration
Pinout
Normal operating range
Potentiometer operation
Voltage tolerance
Current output
RS-232 port
QSControl port
Indicators
QSControl status
Power
Diagnostic
DataPort status (port)
LCD data display
Specifications are subject to change without notice.
IN
> 115 dB
> 118 dB
OUT
> 112 dB
> 115 dB
THRU
> 110 dB
> 113 dB
<0.009% THD+N
<0.009% THD+N
< 0.009% THD+N
< 0.009% THD+N
<0.009% THD+N
<0.009% THD+N
> 75 dB
> 90 dB
> 85 dB
> 100 dB
+/- 0.5 dB
+/- 0.2 dB
24 bit, 48 kHz, in and out
Infinite attenuation
2.354 milliseconds (default group delay)
8
3-pin “phoenix style” (a.k.a. “euro style”) detachable terminal blocks
Electrically balanced
All shield terminals connected to chassis
1:+ 2:- 3:CHASSIS GND
Balanced: 10k ohms
Unbalanced: 10k ohms
20 Hz – 20 kHz (min.): > 54 dB, 20 Hz – 20 kHz (typ.): > 60 dB
Vrms: 1.5, 3, 9, 18 dBU: 5.7, 11.8, 21.3, 27.3 dBV: 3.5, 9.5, 19.1, 25.1
8
4 HD-15 DataPort connections
QSC DataPort cable, QSC p-n DPC-x (“x” designates cable length in feet)
1, 2, 3, 4, 5, 6, 10, and 20 ft., custom lengths available
328 ft. (100 m) using QSC DP cable only. Non QSC cable limited to 6 ft. (audio only)
5-pin “phoenix style” (a.k.a. “euro style”) detachable terminal blocks
1:+(input) 2:-(input) 3:CHASSIS GND 4:-(output) 5:+(output)
8 internal input, 8 internal output, 8 amplifier (pre-, post-, amplifier) software selectable
Unity gain connection, relay bypass
+21 dBu
10k ohms
> 54 dB
Sum of monitor input and signal from internal monitor tap point(s)
+/- 0.5 dB
< 0.05% @ +4 dBu
> 90 dB
100 ohms
600 ohms
0 dB to -95.5 dB in 0.5 dB steps
2 discrete floating relay switch outputs
3-pin “phoenix style” (a.k.a. “euro style”) detachable terminal blocks
Electromechanical relay
1:NC 2:NO 3:COM
1A 30 VDC
4 discrete outputs
2-pin “phoenix style” (a.k.a. “euro style”) detachable terminal blocks
Single-ended, TTL compatible
1:+(Signal) 2:-(CHASSIS GND)
6 discrete inputs for TTL logic, voltage control or passive resistance
2-pin “phoenix style” (a.k.a. “euro style”) detachable terminal blocks
Single-ended, ground referenced
1:+(Signal) 2:-(CHASSIS GND)
Reads signals between 0-5 V nominally
Use 10k ohms for full range
+/- 48 V
0.5 mA with 10k pot (for passive resistive controls)
Female DB9 connector
Neutrik Ethercon RJ45 ruggedized data connector
Yellow Link, Tx, Rx, front panel Green Link, Tx, Rx, rear panel
Blue, front panel
Red, front panel
Tri-state (red, green, yellow), front panel
2 line x 16 character, backlit, front panel
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