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Very Low volume problem

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  • Very Low volume problem

    Hello I got a metro amp superlead drop in board to rebuild a 90s superlead reissue. I also switched it to a superbass and switched it to kt88s. It sort of works but the volume is about as loud as a tv set half way turned up. I know the wiring is not the best, this is the first tube amp I have worked on and I should have picked a simpler project.

    here are some high res photos

    Index of /amp

    any ideas?
    Thanks

  • #2
    try measuring your voltages at your tube socket pins
    The Free Information Society - Marshall Voltage Chart Electronic Circuit Schematic

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    • #3
      You could try measuring the signal voltage at the power tube grid pins.
      Set your meter to read volts ac & crank the amp with a signal going into it.
      Post the results.

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