yes amp is bad had it checked at dealer. I was working on system this morning if I get a test a test tone on sub in channel level menu it direct tone to left and right mains.
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Klipsch RF83's RC64 RS62's RSW12 oppo digital bdp 103 Panasonic DMR-E50 Outlaw 975 Outlaw 7500 X-box 360 Samsung un60f8000 ATS Acoustic panels Dodd audio tube preamp Dodd audio phono preamp pro-ject turntable Rotel-rcd 1072