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Has anyone ever grounded their AV Receiver ?


dks5276

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I read that most Onkyo have a floating ground and that its recommended to run a ground wire from back of Receiver Plate to outlet or other ground. I have a humming in my sub and sub only, a ground loop isolator worked ok but can still hear it, I took apart receiver and there are no bad capacitors....Im stuck

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Should i use my preout for sub? Also it got a lil louder when i turned up avr, and it seemed to hum when avr was on standby, i used a y rca connector for a second sub with my new receiver and that created a hum so i wonder if this old house im in has bad grounds, one sub doesnt hum with new avr

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