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Marshall Valvestate 8100 Head volume too quiet in gain channel. Everything else works fine ie clean channel and leads, socket, guitar. 14 yrs old, previously worked fine (within matter of weeks)

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  • wunjo7 Oct 22, 2008

    Thanks Dan

    I cant seem to unscrew the cover because the screws keep rotating when turned anticlockwise. I'm assuming its the metal cage on the left at the back - any ideas?

    Cheers.

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How to change tube on Marshall Valvestate 8080

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I believe that your model uses a 12AX7 tube for the pre-amp section. The tube is bad and needs to be replaced. Start there.

Dan

Posted on Oct 21, 2008

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