BSchrowang
Budget Builder
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Amp stopped working
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keep_hope_alive Premium Member
Acoustics Engineer
If the amp is on, but not making any sound, you may have a failure based on the tests you've described. Work all of the switches and knobs in case resistance built-up over time.
Using a DMM to verify voltage on the power and remote is step one.
Step 2 is to play a 60Hz test tone and measure the output terminals (no wires connected) with a DMM to look for voltage (VAC). This lets you safely play with gain and settings without concern for damaging speakers/subs.
If you measure voltage (more than 10VAC) than the issue is probably in the sub box wiring.
I've seen sub box terminals fail and lose connection.
Using a DMM to verify voltage on the power and remote is step one.
Step 2 is to play a 60Hz test tone and measure the output terminals (no wires connected) with a DMM to look for voltage (VAC). This lets you safely play with gain and settings without concern for damaging speakers/subs.
If you measure voltage (more than 10VAC) than the issue is probably in the sub box wiring.
I've seen sub box terminals fail and lose connection.
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