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In Reply to: RE: PAS-3 hum (I know, I know) posted by xaudiomanx on January 23, 2017 at 16:54:04
No 3-prong plugs here.
I forgot to update this. I took Peter's suggestion and also an old one from Bill Thomas and emailed my tech who wanted to try them out.
Happy to report that the hum is gone, as far as I can tell. He rerouted the ground wires to 1 instead of 8 (I think I am remembering that correctly).
Now I need to maybe reinstall the tone controls :/
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Casey,
It is to my very little knowledge that when you pull a power cord from the wall before the unit powers down totally and it kills the hum, it is generally a ground loop or some kind of grounding issue.
If the hum is gone and the unit sounds good leave it alone. Just a suggestion. Tone controls aren't necessary but I did like them on any of the vintage equipment. I am a believer of them is a big way. You can do a lot with them for music appreciation but mainly with vinyl. CD's and the anything digital is probably as good as you can get it without the use of tone controls and tone controls when using digital can promote issues sonically.
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