Atlantic Technology 422 SB Instruction manual
The Atlantic Technology 422 SB is a powerful subwoofer designed for high-performance home theater systems. Its 12-inch long-throw composite cone driver and high-current amplifier deliver exceptional bass response down to 25Hz. The 422 SB features an adjustable (40Hz to 140Hz) @ 18dB per octave LowPass crossover, two low level inputs, two low level outputs, a front panel mounted Level Control, and automatic standby operation with a multi-color LED status indicator. These features allow for fine-tuning of bass levels and integration with other components in your system. The sealed enclosure design minimizes distortion and produces deep, accurate bass.
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422 SB
Model 102 SB
Model 212 SB
Model 422 SB
High Performance Powered Subwoofers
212 SB
102 SB
2 Safety Precautions
Safety Precautions
Model 102, 212 and 422 SB Powered Subwoofer
Table of Contents
CAUTION: To reduce the risk of electric shock, do not remove the cover (or back). No user serviceable parts inside. Refer to qualified personnel.
WARNING: To reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture. This device generates a fair amount of heat. Make sure nothing blocks the ventilation openings on the top and bottom of the unit.
The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electrical shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating maintenance (servicing) instructions in the literature accompanying the appliance.
2 Model 102, 212 and 422 SB
3 102 and 212 SB Subwoofer Rear Panel
4 422 SB Subwoofer Rear Panel
5 Features
6 Connecting Your Subwoofer
6 Subwoofer Line Out to Low Level In
6 Using the Low Level Output
6 Power Connection
7 Low Level Connections with One Subout/LFE Output
8 Low Level Connections with Two Subout/LFE Outputs
9 Placement and Operation
9 System Setup
9 Subwoofer Tuning Without an SPL Meter or Test Tones
9 How Much is Enough?
10 Dual Subwoofer Placement
10 Using the Subwoofer Crossover Control
10 The Phase Invert Control
10 A Word About Bass, Center Channel Modes and System Set Up
10 Care of Your Subwoofer
11 Subwoofer Troubleshooting Guide
11 Specifications
For Future Reference
Record your serial numbers and date of purchase here:
Model Number
Serial Number
Date of Purchase
The serial number is found on the back panel.
Model 102, 212 and 422 SB
High Performance Powered Subwoofers
Copyright © 2004 Atlantic Technology International.
Specifications are those in effect at the time of printing. Atlantic Technology reserves the right to change specifications or designs at any time without notice. THX and THX Ultra 2 are registered trademarks of Lucasfilm, Ltd. Dolby Digital, AC-3, Dolby Stereo and Dolby
Pro Logic are trademarks of Dolby Laboratories Licensing Corporation.
Congratulations on your purchase of an Atlantic Technology powered subwoofer. A well designed subwoofer, properly integrated into your system, will enhance your listening pleasure dramatically by providing the bass foundation upon which most music and special effects are built.
These subwoofers are capable of delivering very high output levels and wide dynamic range. When properly placed, these subs will provide smooth in-room bass response down to approximately 25Hz, with a peak
SPL of over 102dB in a normal sized room.
Their high-current amplifiers, coupled with their rugged long-throw woofers in sealed enclosures, generates accurate deep bass with a minimum of distortion.
Your Atlantic Technology powered subwoofer will smoothly integrate with virtually all brands of loudspeakers on the market. From the rocksolid amplifier to the easily accessible controls, this is one of the most versatile high performance subwoofers you can buy.
Instruction Manual
102 and 212 SB Subwoofer Rear Panel
Figure 1
1
2
3
4
5
6
7
8
BASS LEVEL
STANDBY
MIN
ON
60 Hz
MAX
STATUS
AUTO
CROSSOVER
FREQUENCY
PHASE
40 Hz
NORMAL
140 Hz
INVERT
CROSSOVER NORMAL
RIGHT L / MONO
BYPASS
OUTPUT
INPUT
Subwoofer Rear Panel 3
9
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
AVIS: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
DOUBLE INSULATION - WHEN SERVICING USE ONLY IDENTICAL REPLACEMENT PARTS
2001310
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10
AC
INPUT
ON
11
12
CAUTION: FOR CONTINUED PROTECTION AGAINST
FIRE, REPLACE ONLY WITH SAME TYPE 250V FUSE
FOR 115V, USE T2AL 250V FUSE
FOR 230V, USE T1.25AL 250V FUSE
1
2
3
4
5
6
Variable Level Control
Use this control to set the level of bass desired
Status LED
This will be green for "on" condition, amber for "standby"
Standby Switch
When in ON position, the amplifier will always be on. When in the
AUTO position, the amplifier will be in Automatic Standby Mode.
(pages 5 and 9)
Crossover Control
An adjustable (40Hz to 140Hz) @ 18dB per octave low-pass crossover. (pages 5 and 9)
Phase Switch
This switch allows precise acoustic matching with satellite speaker systems whose output may be phase reversed. (pages 5 and 10)
Crossover Switch
When in the NORMAL position, adjustment of the crossover can be made by the Crossover Control. If being fed a pre-filtered or THX signal, place the switch at the BYPASS position. (pages 5 and 9)
7
8
9
10
11
12
Low Level Output
The outputs allow daisy chaining of multiple subwoofers, or as a return path back to the processor. (pages 5 and 6)
Low Level Input
Use the input to connect to the subwoofer or LFE line out from your processor/receiver. (pages 5 and 6)
Product Serial Number
Write this number in the space provided on page 2 for future reference.
Voltage Select Switch
Voltage switch for use in different countries. This switch will be set when you receive the unit. Change this setting only when you are sure your application requires it. For US, the switch should be set to the 110-120V position.
On/Off Switch
Use this switch to turn the amplifier completely on or off.
AC Input
Use the included power cord to connect your amplifier to a wall outlet. (pages 5 and 6)
4 Subwoofer Rear Panel
422 SB Subwoofer Rear Panel
Figure 1
Model 102, 212 and 422 SB Powered Subwoofer
1
Model 422 SB
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
AVIS: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
DOUBLE INSULATION - WHEN SERVICING USE ONLY IDENTICAL REPLACEMENT PARTS
2001310
40 Hz
NORMAL
ON
60 Hz
AUTO STANDBY
CROSSOVER
FREQUENCY
140 Hz
INVERT PHASE
NORMAL
RIGHT L / MONO
BYPASS CROSSOVER
OUTPUT
INPUT
AC
INPUT
11
2
3
4
AC INPUT 50 / 60Hz 500W MAX
FOR 115V, USE T5AL 250V FUSE
FOR 230V, USE T3.15AL 250V FUSE
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE,
REPLACE ONLY WITH SAME TYPE 250V FUSE
1
2
3
4
5
Product Serial Number
Write this number in the space provided on page 2 for future reference.
On/Off Switch
Use this switch to turn the amplifier completely on or off.
AC Input
Use the included power cord to connect your amplifier to a wall outlet. (pages 5 and 6)
Standby Switch
When in ON position, the amplifier will always be on. When in the
AUTO position, the amplifier will be in Automatic Standby Mode.
(pages 5 and 9)
Voltage Select Switch
Voltage switch for use in different countries. This switch will be set when you receive the unit. Change this setting only when you are sure your application requires it. For US, the switch should be set to the 110-120V position.
6
7
8
9
10
11
Crossover Control
An adjustable (40Hz to 140Hz) @ 18dB per octave low-pass crossover. (pages 5 and 9)
Phase Switch
This switch allows precise acoustic matching with satellite speaker systems whose output may be phase reversed. (pages 5 and 10)
Crossover Switch
When in the NORMAL position, adjustment of the crossover can be made by the LowPass Control. If being fed a pre-filtered or THX signal, place the switch at the BYPASS position. (pages 5 and 9)
Low Level Output
The outputs allow daisy chaining of multiple subwoofers, or as a return path back to the processor. (pages 5 and 6)
Low Level Input
Use the input to connect to the subwoofer or LFE line out from your processor/receiver. (pages 5 and 6)
Front Mounted Variable Level Control and Status LED
Shown in greater detail on page 9
5
6
7
8
9
10
Instruction Manual
Features
Your Atlantic Technology powered subwoofer has been engineered using the latest technology and finest components available. It features:
■
A long-throw composite cone driver with a vented motor structure and 2” high temperature, 4-layer voice coil
This powerful driver has a very stiff cone that acts like a piston throughout its operating range. Its massive magnetic motor assembly and high temperature component parts deliver exceptional performance and reliability.
■
Sealed enclosure design for low distortion and deep bass output
Sealed enclosure woofer designs are inherently low in distortion, and deliver deep smooth bass response with a gradual and predictable roll-off below resonance. As with all Atlantic Technology subwoofers, we have paid close attention to providing accurate musical bass reproduction along with terrific special effects.
■
High-current amplifiers
The output stage of these amplifiers are capable of very high current delivery for exceptional driver control and cool operation. They have been precision matched and equalized to our rugged drivers.
Together they deliver powerful, controlled bass with great articulation and authority.
■
A useful in room working frequency range of 25Hz to 150Hz
Many subwoofers offer specifications that look great on paper, but in real world use deliver less than promised. Atlantic Technology subwoofers are over-designed to ensure that they will deliver their rated performance in your room, when properly placed and adjusted.
■
An adjustable (40Hz to 140Hz) @ 18dB per octave LowPass crossover
The steep upper end roll-off slope of 18dB per octave allows for much better bass integration with the satellite speakers while making the woofer less localizable.
NOTE: If you are using a surround Processor/Receiver that includes its own filtered subwoofer output (or a THX Certified Processor/
Receiver), we strongly recommend that you set the crossover control to the Bypass position.
Features 5
■
Two low level inputs, two low level outputs
The outputs allow daisy chaining of multiple subwoofers, or as a return path back to the processor.
■
A Phase Invert switch (Normal/Invert)
This switch allows precise acoustic matching with satellite speaker systems whose output may be phase reversed. This switch also allows you to compensate for unusual room acoustics that occur when the woofer is physically separated from the main speakers. Be sure to try the Phase switch in both positions when you set up your subwoofer.
Even if you’ve simply changed the built-in crossover settings it’s a good idea to try the Phase switch in both positions, since the crossover control and the Phase switch acoustically interact with each other.
Pay particular attention to the transition of bass from the woofer to the satellites, listening for smooth and well defined bass throughout the range.
■
A convenient front panel mounted Level Control (422 SB)
■
Automatic standby operation, LED indicator
Automatic standby features signal sensing turn-on with 7-10 minute turn-off delay. There’s a multi-color LED status indicator that lets you know when the unit is on or in standby. Automatic Standby can be defeated by placing the rear mounted switch in the ON position.
■
An AC cord power input socket
Your subwoofer comes supplied with a heavy-duty detachable power cord.
■
Designed and built to meet all current UL/CSA and European safety requirements
LOWPASS STANDBY
NORMAL OFF
PHASE
NORMAL
BYPASS ON
AUTO
INVERT
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
CONFORMS TO
UL STD.6500
CERTIFIED TO
CAN/CSA STD.E60065
2001310
DESIGNED BY ATLANTIC TECHNOLOGY IN USA,
MANUFACTURED TO SPECIFICATION IN CHINA
80
LOWPASS
120
40 140
INPUT OUTPUT
R
6
Model 102, 212 and 422 SB Powered Subwoofer
Connecting Your Subwoofer
Use the low-level (RCA jack) subwoofer line out of your surround sound receiver/processor. Simply connect your subwoofer with a high quality shielded cable as shown in the diagram on page 7. Please consult your processor/receiver manual for further information.
WARNING: To prevent risk of electrical shock or damage to your equipment, always unplug all component AC cords before proceeding with speaker and component connections! The last step in wiring your system should be plugging in the AC cords!
Subwoofer Line Out to Low Level In
Run an RCA cable from your receiver’s Sub Out jack to the L/Mono input jack on the back of the subwoofer (Figure 3). If your receiver/processor has stereo subwoofer outputs, connect these to both the L/Mono and R jacks on the back of the subwoofer (Figure 4).
Using the Low Level Output
Figure 2
AC Connection to another unit. This way you can add an additional subwoofer with minimal additional wiring. The signal that comes out of the output jacks is
Power Connection
Connect the power cord to an AC outlet only after making all other connections to the subwoofer. This will avoid any chance of accidentally activating the subwoofer while wir-
FOR 110-120VAC, USE 3A L 250V FUSE
FOR 220-240VAC, USE 2A T 250V FUSE ing. Atlantic Technology does not recommend plugging the subwoofer into the switched outlet of an amplifier, preamplifier, or receiver. The power demands of the subwoofer amplifier may exceed the power rating of the switched outlet and may damage the equipment.
Your subwoofer is totally automatic in its operation. The automatic on/ off circuitry will only activate the subwoofer in the presence of an audio signal from your system. After 7-10 minutes with no signal detected from the rest of the system, the amplifier will shut itself off and go back into standby mode. When the sub is in operating mode, the status LED will glow green. The LED will glow amber in the Standby mode and power consumption in this mode is negligible. Standby operation can be completely bypassed by placing the standby switch on the rear panel to the
ON position.
Instruction Manual
Low Level Connections with One Subout/LFE Output
Figure 3
Low Level Connections 7
Sub Out/LFE
R L/MONO
OUTPUT
INPUT
8 Low Level Connections
Low Level Connections with Two Subout/LFE Outputs
Figure 4
Model 102, 212 and 422 SB Powered Subwoofer
Sub Out/LFE Sub Out/LFE
R L/MONO
OUTPUT
INPUT
Instruction Manual
Placement and Operation
Generally speaking, the best location for your new subwoofer is the front of the room, close to a corner (Figure 5). Every room has its own unique sound characteristics, and flexibility in the exact placement of the subwoofer is always desirable. The closer the subwoofer is placed to a wall and especially a corner, the more and deeper the bass response you will hear. Because of an acoustic phenomenon known as "room gain," a welldesigned wubwoofer playing in an acoustically-favorable room may well deliver low bass deeper than its rated response. However, in some rooms, corner placement can produce a “one note” boomy effect. Under such circumstances the subwoofer may work better away from the corner.
Experiment to find the best position in your room.
HELPFUL HINT: A particularly useful experiment is to place the subwoofer right at the prime listening position (move your couch or chair out of the way and put the sub in its place). Then play something with good bass content (preferably music), and walk around the room, listening to the subwoofer’s response. When you locate an area that has an ample amount of well defined bass, you’ve found a good potential place to locate the sub.
Figure 5
Typical arrangement for a single subwoofer in a home theater.
Placement and Operation
On the 212 SB you can use the level control on the rear panel to make this adjustment. If you decide not to use an SPL meter try to set all the speaker levels the same using the Test Tones. Of course, this will be much more difficult without the meter, especially for the subwoofer.
Figure 6
(422 SB only) Front Panel Variable Level Control located behind the removable grille
Recess and indicator for level adjustment
Fixed Position
Indicator LED
9
1. Start here
2. Move to corner for more bass
3. Move away from wall for less bass
System Set Up
When setting up a complete home theater we strongly recommend that you use a Sound Pressure Level meter. Radio Shack® has a good one that is very affordably priced (approximately $40-50). To use this meter, turn on your system, put the Processor/Receiver in the Test Mode and set its main volume control to 0dB. Sit in the prime listening position, set the SPL meter to the 70dB scale, Slow Response, and C Weighting. Now, holding the meter pointed up and in front of you, let the system cycle its test tone from speaker to speaker and set every speaker to 75dB using the individual level settings in the Processor/Receiver. As tempting as it may be to set the subwoofer and/or surround speakers higher than 75dB, listen again after calibration and see if you can acclimate to these levels.
Try watching several different movies and keep in mind that the goal is to have a system that sounds like you’re actually “in the movie.” When using the latest discrete digital electronics which include internal level controls for all channels, we recommend setting the 422 SB's front mounted Level
Control to its Preset position and using the Processor/Receiver’s built-in subwoofer level control.
Subwoofer Tuning Without an SPL Meter or Test Tones
Start your listening with the subwoofer Crossover control set at around
100Hz or in the Bypass position if you’re using a THX Certified processor or unit with a built-in crossover. Set the phase switch to normal, and the front panel variable level control (Figure 6) to the Preset position.
Play some music that you know has good bass content, and turn the level control up until you just start to hear the subwoofer working. Now, from your normal listening position, determine whether the subwoofer is playing loudly enough and filling in the bass frequencies of the music evenly. If adjustment is necessary, start by changing the setting in the processor or with the level control if your processor lacks a subwoofer level adjustment.
If the bass seems too ponderous, boomy, or heavy, no matter how you set the level, try moving the subwoofer away from the wall/corner. If the bass seems too thin, try moving the subwoofer closer to the wall/ corner. Small differences in positioning can make big differences in bass response. When you find a position that seems to work well, try switching the phase switch between its two settings, listening particularly to the transition from the subwoofer to the satellites.
How Much is Enough?
Sometimes people prefer more bass impact for movies. Using the movie setting for music can result in overpowering and unnatural bass reproduction. You may wish to determine both a video level and an audio level if you find yourself falling into this camp. Remember however, the most common error people make when setting up their system is to play the subwoofer (and surrounds) too loudly. Of course, the Home Theater
Police will not arrest you for this act. But should you desire the most accurate overall reproduction, a well balanced sound from bass to highest treble is the best way to get it. Have fun. Experiment. Enjoy.
Model 422 SB
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
AVIS: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
DOUBLE INSULATION - WHEN SERVICING USE ONLY IDENTICAL REPLACEMENT PARTS
2001310
AC
INPUT
ON AUTO STANDBY
60 Hz
Model 422 SB
10 Care of Your Subwoofer
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
Dual Subwoofer Placement
When two subwoofers are used, you may wish to place them asymmetrically; that is, in slightly different positions in the room (Figure 7). This will reduce common mode room resonances that occur with symmetrically positioned subwoofers. You can also try placing the subwoofers in the same corner, if you wish. Experiments have shown this to be a viable means of producing smooth bass response in many rooms.
Figure 7
Asymmetrical arrangement for 2 subwoofers in a home theater, for example, one closer to a corner than the other
Model 102, 212 and 422 SB Powered Subwoofer
FREQUENCY
The Phase Invert Control
40 Hz 140 Hz
A subwoofer operating out of phase
NORMAL INVERT vide optimum low frequency perfor-
NORMAL BYPASS mance. Also, the correct subwoofer
CROSSOVER the industry regarding phase, a switch that will reverse the phase of the subwoofer is provided on the amplifier panel. Listen to a monaural musical source with strong bass content. (For example, you can use the mono switch on an FM tuner or preamp, or use a Y-connector on the outputs
Place subwoofers assymmetrically in room for smoother bass
Experiment with the position of the phase switch to get the smoothest bass. It should be obvious which is the correct setting. In particular, there will be a more integrated transition between the satellites and the sub-
2001310
AC
INPUT
60 Hz
When used with the System 1200 or 2200, the Crossover control should be set at
40 Hz 140 Hz goal is to optimize the performance of the system by ensuring that the subwoofer and satellites produce a cohesive and well integrated sound “picture.”
NORMAL INVERT PHASE
Many surround sound receivers and processors offer a choice of crossovers, typically between 80 Hz and 120 Hz. If yours does, we recommend
AC INPUT 50 / 60Hz 500W MAX
FOR 115V, USE T5AL 250V FUSE
System 1200 or 2200. Consult your electronics owner's manual for more details.
RIGHT L / MONO
FOR CONTINUED PROTECTION AGAINST FIRE,
REPLACE ONLY WITH SAME TYPE 250V FUSE
Higher crossover frequencies pass more bass but can sound boomy and may be more easily localized to the subwoofer. Higher crossover that have no real low frequency performance. Settings lower than 80Hz should be employed if you are using larger speakers that have extended bass response. This way, the subwoofer will only reproduce the very lowbegin to roll off.
It’s generally undesirable to have the main speakers and the subwoofer overlap too much. Larger speakers means a lower Low-pass crossover frequency, smaller speakers means a higher Low-pass crossover frequency. Consult the manufacturer’s specified low frequency response for your main speakers to determine the appropriate Low-pass setting on your subwoofer. In the end, however, a little time spent experimenting will generally result in dramatically better bass response.
A Word About Bass, Center Channel Modes and System Set Up
Many surround processors and receivers feature a “Wide” and “Normal” mode for the center channel speaker. Atlantic Technology recommends that the center channel be operated in the “Normal” mode when using a powered subwoofer. The center channel speaker will sound more dynamic and the intelligibility of the system will generally be improved when in the “Normal” mode.
With discrete digital 5.1, 6.1, or 7.1 channel systems (Dolby Digital, DTS, etc.) many controllers provide a Bass Management option, which lets you set the front and rear speakers in a limited bandwidth (Small) or full range (Large) mode. When using a subwoofer with Atlantic Technology speakers we recommend setting such a controller to the Small position for all the speakers in the system.
Care of Your Subwoofer
The 102 SB, 212 SB and 422 SB are constructed from Medium Density
Fiberboard. MDF is a non-resonant material ideal for speaker system enclosures. To clean the cabinet you may use a soft cloth either dry or slightly dampened with clean water. Be careful not to wet the cabinet or allow any water to enter the cabinet seams. Avoid placing your speakers in direct sunlight or near a source of heat that may, over time, damage the finish.
IMPORTANT: Save Your Boxes! If you can do so, save the carton, packing pieces and plastic bags that came with your subwoofer.
They will be useful in case you move or have to ship your subwoofer for any reason. In any case, save all packing materials until you are certain that the system has suffered no damage in shipment. If you find such damage, either visible or internal, contact your dealer immediately for the proper return procedure.
AC INPUT 50 / 60Hz 500W MAX
FOR 115V, USE T5AL 250V FUSE
FOR 230V, USE T3.15AL 250V FUSE
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE,
REPLACE ONLY WITH SAME TYPE 250V FUSE
Instruction Manual
Subwoofer Troubleshooting Guide 11
Subwoofer Troubleshooting Guide
Once your subwoofer is set up, you should have many years of maintenance free enjoyment from your system. However, if you should encounter a problem, refer to the following guide to help you find the solution. If a problem persists, you should contact your local authorized Atlantic Technology dealer.
Problem
No bass output
Audible buzz or hum
Possible Cause
AC power cord unplugged or plugged into a non-working outlet.
Input cables not securely connected or defective.
Input cable not securely connected or defective.
Ground loop through antenna or cable TV system input.
Possible Solution
Plug into a working outlet.
Check all connections, then try another input cable.
Check all connections, then try another input cable.
Test by disconnecting antenna and/or cable system input leads. If hum goes away, install isolation balun(s) at that point.
Specifications
Type/Features
Bass Driver
Output Power
Distortion (amplifier)
Frequency Response
Low Level (line)
Peak Output
Dimensions (WxHxD) including side panels
Weight
Power Requirements
Model 102 SB
Powered subwoofer, sealed enclosure
8” long-throw composite cone
100W RMS
<0.5%
34Hz – 250Hz ±3 dB
20k
102dB SPL into 1500 cubic Feet
13.2 x 13 x 12.2 in
335 x 330 x 310mm
31lbs/14.1kg
110-120/220-240V,
50/60Hz, 300W Max
Model 212 SB
Powered subwoofer, sealed enclosure
10” long-throw composite cone
125W RMS
<0.5%
30Hz – 250Hz ±3 dB
20k
102dB SPL into 2000 cubic Feet
15.25 x 15 x 16.9 in
388 x 380 x 430mm
37.5lbs/17kg
110-120/220-240V,
50/60Hz, 300W Max
Model 422 SB
Powered subwoofer, sealed enclosure
12” long-throw composite cone
225W RMS
<0.5%
25Hz – 250Hz ±3 dB
20k
103dB SPL into 2000 cubic Feet
17.25 x 17.75 x 16.9in
438 x 450 x 430mm
44lbs/20kg
110-120/220-240V,
50/60Hz, 500W Max
Specifications are those in effect at the time of printing. Atlantic Technology reserves the right to change specifications or designs at any time without notice. THX is a registered trademark of Lucasfilm Ltd. Dolby Digital, Dolby Stereo, and Dolby Pro Logic are trademarks of Dolby Laboratories
Licensing Corporation. DTS is a registered trademark of Digital Theater Systems, Inc.
343 Vanderbilt Avenue Norwood, MA 02062 (781) 762-6300 www.atlantictechnology.com
015-0442-A

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Key features
- 12" Driver
- 225W RMS
- Sealed Enclosure
- Adjustable Crossover
- Automatic Standby
- Front Panel Control