loud hum insurrond sound Speakers.
I have a loud hum through the surround sound speakers. The HR service center said it was being caused by the inverter. The inverter output is as per spec and they say it is operating satisfactorily. H...
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On my home system we had a hum coming from the sub woofer. Cause was a cheap house brand cable from Best Buy. Purchased a better cable and that fixed the problem.
