Thanks for the response. I have a monster powercenter 3500, which the amp is plugged in the swiched outlet of the powercenter. The hum I hear is only when I'm by the amp. I might try powering up the amp thru my preamp 12 volt switch. Might give outlaw support a call
The amp sounds very good, not as smooth as the B&K a little more in your face. For the price, the 7500 is hard to beat.
About 2 years ago I had an xpa-5 and compared it to the m2200's and imo the xpa-5 sounded brighter.
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ONKYO 885 / SONY EP9ES HT BYPASS / MA GR20'S OR SVS MTS-01 VER.2 NOT SURE YET / B&K 200.7 S2 / OUTLAW LFM-EX SUB / PS3 / SONY BD 360 / LIVING ROOM
QUAD 22L2'S / PARASOUND 2100 / 2 OUTLAW M2200'S / CAMBRIGDE 640 VER.2 / BEDROOM
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