I had the 352 and the 402. Idle neither were ever warm. After 4 to 5 hours or more of moderate sound level mine were always room temp and if warm not by much at all.
Heat was never an issue.
Heat was never an issue.
MC352 owners
Hello there, I just had my Mcintosh MC352 biased and checked out but it still runs a little hot..... I put an electric thermameter on the heatsink and it read 92 degrees. Chuck at Mcintosh said it should be fine but I'm wondering if your amp runs that hot too. It gives off heat like a small tube amp.