amp shuts off.

[mikejanbohn]

a friend of mine has a SS Amp and after hes playing for a while it shuts off. if he turns it off an on it works again.... wassup wit dat.?

[J M Fahey]

It *may* be overheating, with the thermal cutout shutting it off when it senses danger. Does it make any strange sound: whistling, hissing heavily, humming even with al controls off? There are *many* other possibilities too, but start by checking that. Bye.