I've never found my Model 750 amp to be hot like a toaster oven - it actually runs cooler than my old 1050 receiver did. My 750 is currently in a closed cabinet with a cut-out slightly smaller than the rear panel (for wiring access) and a dead space of probably a foot or so above it. The hottest I've measured the air directly above the amp is somewhere under 100F if my memory serves correctly (haven't measured it in a year or more) - it is if anything slightly cool than what I experienced with an open front and an inch of clearance above it. Any class AB solid state amp with the output ratings we're looking at is going to put off some heat, but the Outlaw amps do have a whole lot of heat sink surface area to reject that heat pretty readily. If you can open up the back panel and give it the 6" to 9" of breathing room clear above it, the 7500 ought to be pretty comfortable.