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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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6 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

  • 4234 Answers

SOURCE: no sound from htr-5840 when switched on. I hear

These units have protection circuits that will prevent the speaker relay from engaging if there is a problem detected. There is also a circuit that causes a delay in the engaging of the relay to allow the amp to "settle in". This prevents the old "thump" that was common in older models when the set was first turned on. In your case, either the RC circuit is faulty causing excessive time to pass before turning on the relay, or there is excessive voltage floating around that the protection circuits are detecting and thus preventing the relay from turning on.

In any case, this will require additional diagnosis using some test equipment. This is not a problem that will be easily resolved remotely. Please bring this unit to a repair shop for an estimate. Once you have that info, we can assist with the actual repair.

Dan

Posted on Aug 25, 2009

ronaldo_ross
  • 1056 Answers

SOURCE: I have a peavey special

Peavey usually make amps used for live performance and stuff so the connections for the input and output are diffrent from what you find in household amplifiers.

Posted on May 29, 2011

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Peavey banit 65 guitar amp. When turned on it makes a loud almost feedback sound with out anything pluged into it.


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

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Guitar amplifier cracks when turning off


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I do this stuff but Vermont might be to far.

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