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RE: Troubleshooting suggestions for a subwoofer plate amp?

Posted by rivervalley817 on July 22, 2020 at 11:21:42:
ok, assuming you thoroughly cleaned the input jacks, the next area to check are all the 'pots' on the plate amp. as they can typically contribute that type of noise signature ... if they have any gaps in their housings squirt a few drops of deoxit in there and 'work' them several times, if not try a penetrating oil on the shafts applied in a vertical orientation and work them ...

if that doesn't correct it just from a cost / labor perspective it's new plate amp time ... maybe head to Parts Express?

regards & good luck!