For the last week, when I fire my system up, I have the "buzz" coming from all 5 speakers.

The buzz is mostly heard from the surrounds since they are close to the listenrs.

After about 2 minutes, the buzz gets almost twice as loud for a few seconds and then it goes away, almost completely. The buzz is then pretty much only audible if you put your ear within a foot of the speaker.

?????????????????

I think I will be calling in for advice, possibly a swap to the 7125.
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Panasonic TC-P65S1 65" Plasma HDTV, Marantz AV 8801 Preamp, Outlaw 7700 Amp, Klipsch RF7 (X-over dean G modded) RC7 (X-over Dean G modded) RS7 CDT-5800C speakers, Outlaw LFM1 EX Subwoofer, Oppo BDP-93, B & O Turntable, Toshiba HD-A2, Sony CD & DVD 400 disc jukeboxes, DirecTV HD-DVR, PS2, PS3, Wii, Harmony one remote, Monster PowerBar 1200 for the TV, sub, PS3, HD DVD and Wii, Tripp Lite Isolation Bar for the Amp, Pre-Amp and other sources.