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I have an 80s model peavy tko 65 bass amplifier. there is some kind of short, the comp. light comes on and it just buzzes... just happened *** i was playing the other day, slapped it and it went away. came back and all i get is a buzz/hum. when i press on the front amplifier face anywhere the green comp. light goes off and it works fine.. when i release pressure it buzzes again. I took speaker out, inserted a different one, same thing, so that rules out the speaker... pulled the amp out and checked the fuse, it was fine... saw no loose solders anywhere.. what could this be?

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You have a bad pot.

Posted on Jan 28, 2010

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No sound comes out but my speakers buzz. What do I do? I have a Yamaha RX-V661.


Sorry but you have to get your amplifier at a technician. The buzz from the speakers means internal electronic damage at the amplifier. TAKE CARE THAT in case of keeping the speakers on the buzz noise for some seconds may destroy the speakers.

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This may be a power supply failure, and or a short in the output stage, and in the drivers for the output stage.

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