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
Possible Cause
Possible Solution
Subwoofer Specifications
Shared Features
Auto signal sensing on/off/bypass
High efficiency tracking amplifier
Continuous 40–140Hz adjustment
2-inch, four-layer aluminum voice coil
with 24dB/octave lowpass
Vented pole motor structure
Absolute phase invert switch
XLR inputs
Variable low level stereo input
SBT-1000
SBT-500
Bass Driver X 2
12
"
long-throw composite cone
10
"
long-throw composite cone
Output Power
1000W RMS
500W RMS
Distortion
(amplifier)
<0.5% <0.5%
Frequency Response
20Hz – 300Hz ±3 dB (Max Range)
23Hz – 300Hz ±3 dB (Max Range)
27Hz – 300Hz ±3 dB (Max SPL)
29Hz – 300Hz ±3 dB (Max SPL)
Low Level
(line)
20k Ohms
20k Ohms
Peak Output
(2500 cu. ft.)
107dB SPL
107dB SPL
Dimensions
W H D
W H D
inches
22.4 x 22.9 x 22.4
18.5 x 18.8 x 18.5
mm
568 x 581 x 568
470 x 477 x 470
Weight
110lbs/50kg 66lbs/30kg
AC Power Compatibility
110VAC 50/60Hz &
110VAC 50/60Hz &
240VAC 50/60Hz
240VAC 50/60Hz
11
SBT-1000 & SBT-500 Powered Subwoofers
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.
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.
No bass output
Audible buzz or hum
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.