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RE: Noise coming through speakers...?

If you have a new 12au7 that you know tests well, I would replace your 12AU7's one at a time. Pain taking process of shutting off amp , replace one 12au7, if problem still exists, you know the 12au7 you have just replaced was good so go on to the next tube until you find your culprit.


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  • RE: Noise coming through speakers...? - Bill O'Connell 06:43:58 10/26/17 (0)

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