Well I really don't know if this couplate is even bad since the audio is loud and clear just has the hum with it. I can't find a possible way AC can get into to audio via a bad couplate. If AC was on the + or - and it's affecting the audio with a hum then it should affect other areas of the set like the picture quality , maybe hum bars , but there's nothing.
Last edited by timmy; 03-24-2018 at 06:22 AM.
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