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Adjusting the gain
1. Turn the gain control on the amplifier all the way down (counter clockwise).
2. Turn up the volume control on the source unit to approximately 3⁄4 of maximum.
3. Adjust the gain control on the amplifier until audible distortion occurs.
4. Adjust the gain control down until audible distortion disappears.
5. The amplifier is now calibrated to the output of the source unit.
Trouble Shooting
PROBLEM
CAUSE
SOLUTION
No LED indication
No +12V at remote connection
12V to remote terminal
No +12V at Power connection
12V to terminal
Insufficient ground connection
Verify ground connection
Blown power fuse
Replace fuse
LED on, no output
Volume on source unit off
Increase volume on source unit
Speaker connections not made
Make speaker connections
Gain control on amplifier off
Turn up gain
Output distorted
Source unit volume set too high
Lower source unit volume
Amplifier gain set too high
Lower amplifier gain
Balance reversed
Speakers wired L + R reversed
Wire speakers with correct orientation
RCA inputs reversed
Reverse RCA input
Bass is weak
Speakers wired out of phase
Wire with correct phase
Blowing fuses
Excessive output levels
Lower volume
Amplifier defective
Return for service
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