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Original Message
RE: I'm perplexed as to why one channel of my SET amp has 4.0 mv. of hum and the other has 1.2.....
Posted by drlowmu on July 6, 2012 at 00:22:52:
It will be partially a result of the 2A3 tubes themselves, different ones have different mVAC. Some hum is fine !!! Better than dead quiet, music playback wise !1
Jeff