I'm running a 7500, Integra DTC 9.8 pre/pro that generates quite a bit of heat, and 1 powered sub in each of my front DEF Techs - all on one circuit. But as Jason says, I haven't plugged the toaster in yet...
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"Boys never grow up...their toys just get bigger and more expensive" - my ex

Def Tech BP2002 w/powered subs
Def Tech CLR 2300 center
Paradigm ADP 350 surrounds
Integra DTC 9.8
Outlaw 7500
Oppo 980 DVD, SACD, DVD-A player