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Peavey Butcher getting no sound from one speaker jack

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  • Peavey Butcher getting no sound from one speaker jack

    I recently had my Peavey Butcher in the shop for a repair. It had been accidentally run without a load, so I was worried that the OT was fried. I was still getting (very loud) sound out of it, but it sounded kind of weak and smelled like burning electronics. The repair shop said it needed new tubes but not a new OT, which I was pretty thankful about.

    So now I have it back, it sounds great. However, the other night I tried using it for bass, something I've done many times before. The bass cab is 4 ohms, and when I plugged it into the 4 ohm speaker out on the Butcher, I got sound for about 10 seconds, then it abruptly cut out. The 8 and 16 ohm speaker outs work fine, but the 4 ohm one gives me no sound whatsoever.

    I'm not an amp tech by any stretch of the imagination, but I'm concerned that this could indeed be a problem with the output transformer, since the speaker jacks themselves all look fine, and would like a more educated opinion before I take it back into the shop. Any advice would be much appreciated; thanks.
    Last edited by bobshbob1; 01-01-2011, 09:02 PM.

  • #2
    You either lost a wire connection or maybe you have a funky 8 ohm jack that is not closing.
    Attached Files

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    • #3
      And you definitely have no problem in your transformer.
      Juan Manuel Fahey

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      • #4
        Well, thanks for the diagram; checking out the jacks inside the amp I was not quite sure what I was looking at.
        If it's just a wiring issue I can hopefully sort it out, I'm just kind of worried about testing it too much when I'm not sure if there's a secure connection to a speaker...

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        • #5
          Well, problem solved. Ran a point file between the 4 ohm contacts on the jack and now it works fine. Phew!

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