Stop feedback from capacitors into power...

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I did some more testing of grounds. It appears the one my equipment is hooked to is ok? I am at a loss why that one is ok. Whatever. My noise issues with ground etc are gone. Just that little bit of FM. I may try star grounding the outputs of the speaker OG like PD does. I have not done so yet but he does and prefers results so worth a try.

Again my pre-amp feeds zero DC, I checked it. I will see what I can do about approaching the FM with different resistors and capacitors. I may even have some laying around.

Thanks to everyone who is contributing to the thread in a productive way.
 
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