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Instruction Manual
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 Technol-
ogy dealer.
Problem
No bass output
Audible buzz or hum
Specifications
Model 102 SB
Type/Features
Powered subwoofer, sealed enclosure
Bass Driver
8" long-throw composite cone
Output Power
100W RMS
Distortion (amplifier)
<0.5%
Frequency Response
34Hz – 250Hz ±3 dB
Low Level (line)
20k
Peak Output
102dB SPL into 1500 cubic Feet
Dimensions (WxHxD)
13.2 x 13 x 12.2 in
including side panels
335 x 330 x 310mm
Weight
31lbs/14.1kg
Power Requirements
110-120/220-240V,
50/60Hz, 300W Max
Specifications are those in effect at the time of printing.Atlantic Technology reserves the right to change specifications or designs at any time with-
out 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.
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.
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
Subwoofer Troubleshooting Guide
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.
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
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