My 7500 is typically cool, even after a movie workout. Compared to the B&K it replaced, very cool, as the old B&K positively gets hot. And the other nicety: dead quiet, I hear nothing in terms of buzz etc.
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Current: Denon 3311ci, Anthem PVA 5A amp, Ascend Acoustics Sierra stereo mains, Ascend Acoustics 340 center, Aperion Surrounds, LG Plasma