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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Noisy PEC pot..? posted by JANDG on April 29, 2007 at 05:51:33:
I had just posted this issue you are having and I dont think cleaning will fix it but it may..Ian guessed what it is most likely and that is DC offset caused from a leaky coupling cap or caps.What happens is Dc spikes the grid of the preamp tubes and that causes oscillations and noise and a host of other problems..Its only in one channel I think and usually when that trouble hits with a dirty volume control,it happens in both channels.Not always but usually.Id say you have a leaky coupling cap.Also control cleaning you want to use deoxit calilube and and if you use the deoxit 5,use it only on switches and use it in a well ventilated area.
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Follow Ups
- Re: Noisy PEC pot..? yes becareful with Deoxit 5 but the calilube is ok.Now your as far as your noisy pot goes read. - Michael Samra 18:13:58 04/29/07 (0)
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