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Re: Slight Buzzing in Scott 222 left channel

Dave
Did you change out the selenium that provides filament and neg bias for the tubes? Even tho is doesnt seem to buzz in one channel,I find this to be 90% of a lot of problems with what you are describing.Check your filament voltage on the 12ax7s at pins 4 and 5 and see if you have 12.6vdc.If you have like 10v or so,change the selenium and filter cap with it.


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