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amp failure

  1. Solheim

    Tube Amp Mystery Failure

    I have an Audio Research VT 130 that is presenting odd symptoms. It has blown a small resistor (see pic) twice- once dramatically. Sometimes you can hear buzzing in the left channel. Here's the odd thing- The V5 and V7 tubes glow brighter and dimmer at random times. (the rest of the tubes are...
    • Solheim
    • Thread
    • amp failure red plating transformer problem tube amp amplifier
    • Replies: 31
    • Forum: Tube Audio
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