I've never been too terribly concerned with overheating either John but whenever I saw just how much cooler the H/K runs with the fan I decided to go ahead and run a couple of the smaller fans on the Rotel amp. I ran two of the small fans because of the design of the cooling vents on the amp, four rows of vents on either side of the top with the center being solid with no vents. It now runs much cooler also ... can't hurt, right?
I placed the fans so that they blow up and draw the air through the components like Peter suggested.
