korkster-

Try a VRD-1FF ground isolator from Jenson Transformer. Cost is about $50 on eBay and it works like a charm in my system to resolve the ground loop induced by the cable TV.
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AvFan
Outlaw 976 | ATI 2005 | M&K 850s Left, Center & Right, Surround-55s, MX-70B Sub | Harmony 950 remote | Panamax 5100 | OPPO UDP-203 | LG OLED55B7