If the amp is indeed defective from the factory, make sure you call McIntosh. Even if you do not keep the amp. That is unacceptable!!
McIntosh mc275
Received new MC275 yesterday. Units On/Off switch doesn't work. Amp only shuts off when you unplug it. And no, I don't have any triggers attached to it. Most disconcerting considering I waited three weeks for it. I've read Mcintosh has lowered the bar the last couple of years, but this is aggravating. Would not recommend this amp! Does anyone have any suggestions for another brand?