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Tube amp diagnosis fault finding for beginners?
Tube amp diagnosis fault finding for beginners?
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Old 18th July 2017, 08:23 PM   #31
bolly is offline bolly  Canada
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Join Date: Nov 2006
Thanks for the links and advice fellas! will definitely revisit this thread many times as I really do need to know what makes these babies tick

Jmfahey, and all, I have found the source of the noises!! One of my smoke glass kt66, even though it tested good, I noticed it rattled like a burnt out light bulb!!

I've got more of the same tube so a swap was convenient! Using smoke glass RCA vt-231, tfk 12au7 and fivre 5v4g, with my double crown chipped cd880 I can say everything is back to normal, about 99.9% noise and hiss free!!
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