Interconnect Ground Cable Ground Loops

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Mark,
I have a 55-inch display in front of our fireplace, and the passive crossovers and a big old UPS are sitting behind it in the fireplace. I have two big air-core coils that have no place to go except on top of the UPS, which has a big transformer inside. But it turns out I can't hear any hum from them.
But your larger question: One amp, two simple, full range, high quality speakers, and a pure, 24-bit source? Pursue audio beauty to the fullest flowering starting with the pure midrange essence? Instead of the 29-driver mess I have now?? NAH!
 
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