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My peavey special 130 amp has developed a strange fault - when switched on sounds like echoing thunderous roar. Can't hear guitar at all behind it. Eventually it calms down to a low buzz. Still no guitar. When you switch it off however you hear a second's worth of guitar before it dies away.

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5 Suggested Answers

  • 1 Answer

SOURCE: A HUMMING Peavey Classic 30

I have a Peavey Classc 30 with the same issues. It sounds like the Caps to me. How can I test the Caps?

Thanks
Luke

Posted on Apr 29, 2008

  • 2 Answers

SOURCE: Amp powers off after switching on

the last click you hear before the amp turns on is the power relays for the amp circuit,these have 2 very small copper contacts inside them which after much time get corroded and cause high resistance when they try to power up the amplifier circuit.awkward to get to and desolder but can be opened up and serviced,done mine and a few friends with yamaha amps which use similar system,had no problem since,also worth checking for dry joints around amp chip i.c legs onto main board.

Posted on May 02, 2008

  • 142 Answers

SOURCE: peavey banit 65 guitar amp. When

A few things can cause it. Bad ground\bad power supply filter capacitor\bad low level op amp IC. You most likely have a bad power supply or trouble at your input jack. Good luck!

barneyluc

Posted on Oct 10, 2008

quang123
  • 107 Answers

SOURCE: I have a VSX-D901S Receiver

Yes it worth to repair it but you must bring into Pioneer factory or service center for Pioneer they are able to repair it
It require to replace a few electrolytics capacitors in power supply regulator if you are in AUSTRALIA it would cost between $150 to $250 to repair it
I hope that give you some idea
Cheers

Posted on Dec 03, 2008

  • 11 Answers

SOURCE: A peavey special 130 guitar amp with excessive hum

I used to have one of these years ago!

What do you mean when you say 'switch to the off position'? Do you mean it hums when switched off?

Because the sound does not fully follow volume, it is likely a bad connection or power filter capacitor is not working.

Either way, it means a trip to a repair shop. There is nothing in there you can fix unless you are a repairman. Your local music shop should be able to coordinate a repair.

If this amplifier is like the 1983 version I had, its built like a tank and the fix should be easy.

Hope this helps!

Posted on Apr 01, 2009

Testimonial: "Yeah, it was a filter cap ( electrolytic )that was at fault. I replaced it my self, and now the amp is working fine.I suspected a bad cap, thanks! "

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A peavey special 130 guitar amp with excessive hum


I used to have one of these years ago!

What do you mean when you say 'switch to the off position'? Do you mean it hums when switched off?

Because the sound does not fully follow volume, it is likely a bad connection or power filter capacitor is not working.

Either way, it means a trip to a repair shop. There is nothing in there you can fix unless you are a repairman. Your local music shop should be able to coordinate a repair.

If this amplifier is like the 1983 version I had, its built like a tank and the fix should be easy.

Hope this helps!

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