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Buzz & offset drift from MA-1.1

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Last weekend, I noticed a ~ 60hz buzz coming from one of my speakers when up close (about a foot away). I checked the bias, then waited a while and checked DC offset. The DVM showed a +,- 10 mv. drift from zero. My speakers and inputs were both disconnected while setting both the bias and offset. Any suggestions of what to look for?

TIA!


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Topic - Buzz & offset drift from MA-1.1 - Atmaluvr 13:53:16 03/30/05 (2)


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