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Dead peavey supreme XL amp head

My friend gave me a peavey supreme head that didn't work, so i offered to take it hoping it would be something really easy that i could fix. i plugged it in to an outlet hit the switch, nothing, the led "indicator" didn't turn on. so i opened it up, checked the fuse, good, checked for any frayed wires, nope, checked for any burned or suspicious looking components and circuit board, also good. i haven't gone any further because i don't know if i want to dedicate my time. i would like to test the transformer but i don't know how. i have a good feeling it is a power supply problem, i was wondering if any anyone has ever had this problem or if anyone knows any test points that i could measure with my multimeter ?

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It's an amplifing unit, it has no built in speakers, but the led indicator doesn't turn on which leads me to believe their is no power flowing through the circuit. Theres no tubes, it's a solid state amplifier (transistor).

Posted on Feb 01, 2008

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I'm not a pro on amps but I have a Peavey Rage 158 amp, I'd suggest seeing if the speaker itself still works by directly connecting a source onto the speaker[take the wires off and hook it up to a source].

Try turning it on and checking the wattage going to the speaker wire, then follow the wire back and check the big coil with copper wire among other things.

A common problem with old amps are the tubes, check the tubes to see if they are burnt out [google it if you need a guide]
then check on ebay or maybe an electronic/guitar store.

If that didn't help, reply with more details

Good luck.

[If you don't want it ill take it off of you for $20 :p ]

Posted on Feb 01, 2008

Buy a different amp

Posted on Apr 06, 2008

Buy a different amp

Posted on Apr 06, 2008

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Posted on Jan 02, 2017

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