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Is any hum at all tolerable?
02-21-2021, 08:23 AM
Two more things to think about. One, the connection of the volume control center terminal to the first AF amp can pick up a lot of hum and is sometimes a shielded wire or the coupling cap has a shield around it. Two, I have seen filaments in pre-amp tubes in guitar amps running on full wave, filtered DC to keep cathode to filament coupling at minimum.
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Messages In This Thread
Is any hum at all tolerable? - by lasurveyor - 02-20-2021, 07:38 PM
RE: Is any hum at all tolerable? - by David - 02-20-2021, 07:50 PM
RE: Is any hum at all tolerable? - by radio1 - 02-20-2021, 08:12 PM
RE: Is any hum at all tolerable? - by lasurveyor - 02-20-2021, 08:16 PM
RE: Is any hum at all tolerable? - by gregb - 02-20-2021, 08:25 PM
RE: Is any hum at all tolerable? - by lasurveyor - 02-20-2021, 09:02 PM
RE: Is any hum at all tolerable? - by Radioroslyn - 02-20-2021, 09:25 PM
RE: Is any hum at all tolerable? - by radiorich - 02-20-2021, 10:03 PM
RE: Is any hum at all tolerable? - by RodB - 02-21-2021, 08:23 AM
RE: Is any hum at all tolerable? - by lasurveyor - 02-21-2021, 01:30 PM
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