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Noll Preamp Issue

Discussion in 'Pickups & Electronics [BG]' started by Matthardy, Aug 11, 2018.

  1. Matthardy

    Matthardy Supporting Member

    Feb 11, 2018
    just installed the TCM4 in a new build, and all is good in passive mode. However when I turn on the preamp (volume knob push/pull) I have no sound. Fresh batteries, I've double checked the wiring. Any ideas?

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