Atlantic Technology 222 PBM Instruction Manual - Page 15

Browse online or download pdf Instruction Manual for Subwoofer Atlantic Technology 222 PBM. Atlantic Technology 222 PBM 16 pages. High performance subwoofer systems

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Atlantic Technology 222 PBM Instruction Manual
Models 222 PBM, 262 PBM and 352 PBM THX

Subwoofer Troubleshooting Guide

Once your subwoofer has been 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
No bass output
AC power cord unplugged or plugged into a
non-working outlet.
Input cables not securely connected or defective.
Audible buzz
Input cable not securely connected or defective.
or hum
Single HI LEVEL input connected to the RIGHT channel.
Ground loop through power connection.
Ground loop through antenna or cable TV system input.
More than one
More than one source is playing.
source audible
Weak bass
Subwoofer too far from the wall.
VARIABLE INPUT LEVEL set too low.
Weak bass: vague Input source connected to HI LEVEL inputs is wired
stereo image
out of phase.

For Future Reference

Record your speaker(s) serial number(s) and date of purchase here:
Model Number
Model Number
The serial number is found on the back of the speaker near the connecting terminals.
Possible Solution
Plug into a working outlet.
Check all connections, then try another input cable.
Check all connections, then try another input cable.
Connect to the LEFT input channel.
Use a 3-to-2 prong AC adapter plug to isolate the chassis'
ground of the subwoofer.
Test by disconnecting antenna and/or cable system input leads.
If hum goes away, install isolation balun(s) at that point.
All the subwoofer's inputs are active at all times. Turn off
unwanted source.
Move the subwoofer closer to a wall or corner.
Turn control up somewhat.
Check speaker wire connections and reconnect in proper
phase.
Serial Number
Serial Number
15
A
tlantic
TECHNOLOGY
Date of Purchase
Date of Purchase