Amp Problem

RattleHead

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Join Date: Nov 2002

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#1

Amp Problem

03-12-2007, 03:41 PM

I have a Marshall AVT50H and I'm having some trouble with it. A while ago the clean channel started to fuck up so it was almost like it was switching to overdrive though it wasn't actually. Every once in a while the distortion would just kind of fade in and out. I've been busy thrashing out so I didn't really care, but I read that I might need new preamp tubes. Anyway, now it is at the point where if I have the clean channel up almost all the way there is almost no volume and the overdrive channel has absolutely no balls. It's like a clean channel with a bit of gain.

Would this be consistant with needing new preamp tubes, or do I have a more serious problem?
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jcm800x

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Join Date: Aug 2003

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#2

03-12-2007, 03:47 PM

Sounds like a tube, my second generation VS had a similar problem that was solved by swapping out the preamp tube.

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RattleHead

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#3

03-12-2007, 04:25 PM

Alright thanks. And from what I understand it's not too expensive?
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