Hey guys, I've been lurking for a while, but recently had a fairly serious instance during a gig: after an extremely loud show, my amp smelled of smoke/melting and it ceased to make a sound above a distorted whisper. Not rattling, just... very quiet and distorted, even with my effects turned off. A little background: I play a P-Bass, through a short effects chain of a tuner, a distortion, a fuzz, a booster, and a looper. This all goes into a Peavey Tour 450 head, which is connected to an Ashdown 410 (RMS power rating of 450). I play... aggressively. A lot of fuzz, chords, forced feedback, etc. Not metal, just angry. A few nights ago, I had to turn up my head a lot more than I thought I would have to and the amp did not respond well (some rattling, a more distorted clean tone than I would've liked). The following night, another gig that ended with the amp losing steam until there was nothing left. I might have had the pedals turned up above unity gain. I mean, probably did. Yeah, I totally did. My question: What failed? the head or the cab? I smelled smoke from the cab, but the head could be busted, too, for all I know. I've already made plans to check out some new amplifiers, but I don't want to make the same mistake again. Don't tell me to play different, because this is my art, etc etc. TLDR: Blew up my amp, how do I not blow up amps anymore? Thanks, for your help.