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Marshall AVT100 combo buzz/humm

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  • Marshall AVT100 combo buzz/humm

    Hey guys.. my amps buzz/humm in OD channel.. it goes away when guitar volume turn down.. it only starts to hum/buzz again when i'm turn up my guitar volume..

    please note: guitar got nothing to do..(tried diff axe..)

    the clean channel was fine..

  • #2
    Preamp tubes are usually the first thing to check, although it could be many things.
    See the birth of a 2-watt tube guitar amp - the "Dyno Tweed"
    http://www.naturdoctor.com/Chapters/Amps/DynoTweed.html

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