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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
Subwoofer Specifications
Shared Features
Bass Driver X 2
Output Power
Distortion (amplifier)
Frequency Response
Low Level (line)
Peak Output (2500 cu. ft.)
Dimensions
inches
Weight
AC Power Compatibility
Copyright ©2018 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. Dolby Digital, AC-3, Dolby Stereo and Dolby Pro
Logic are trademarks of Dolby Laboratories Licensing Corporation.
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.
Auto signal sensing on/off/bypass
Continuous 40–140Hz adjustment
with 24dB/octave lowpass
Absolute phase invert switch
Variable low level stereo input
SBT-1000
12" long-throw composite cone
1000W RMS
<0.5%
20Hz – 300Hz ±3 dB (Max Range)
27Hz – 300Hz ±3 dB (Max SPL)
20k Ohms
107dB SPL
W
H
22.4 x 22.9 x 22.4
mm
568 x
581 x
110lbs/50kg
110VAC 50/60Hz &
240VAC 50/60Hz
SBT-1000 & SBT-500 Powered Subwoofers
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 or cable
input leads. If hum goes away, install
isolation balun(s) at that point.
High efficiency tracking amplifier
2-inch, four-layer aluminum voice coil
Vented pole motor structure
XLR inputs
SBT-500
10" long-throw composite cone
500W RMS
<0.5%
23Hz – 300Hz ±3 dB (Max Range)
29Hz – 300Hz ±3 dB (Max SPL)
20k Ohms
107dB SPL
D
W
18.5 x 18.8 x 18.5
568
470
66lbs/30kg
110VAC 50/60Hz &
240VAC 50/60Hz
H
D
x 477
x
470
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