amp I bought 3 days ago not powering on - electrical engineer advice wanted

I bought a used Musical Fidelity A380 in good condition. Played it every day, worked fine.

Today it did not turn on. There were no sign of failure yesterday. Could it be a fuse or power supply?

parkergetdean01-29-2026 12:34am

thecarpathian Details Discussions Posts This discussion Message User 6,094 posts 03-18-2026 at 12:38am Copy Comment URL Report Comment Edit Delete Never mind, yes I do know how. I didn’t just read it or anything, it just surfaced now through the vast depths of my mind bogglingly stupendous intellect.🤓
willywonka Details Discussions Posts This discussion Message User 474 posts 03-18-2026 at 12:42am Copy Comment URL Report Comment Edit Delete I hope the tech wasn't serious! Amps with faulty protection circuits turn on all the time. Working correctly and having stereo outputs is a different matter.
devinplombier Details Discussions Posts This discussion Message User 1,650 posts 03-18-2026 at 12:55am Copy Comment URL Report Comment Edit Delete @thecarpathian @parkergetdean Hey y'all can it with the 2028 wish list please! This is a good thread, don't get it shut down
Post removed Mar 18, 2026
audphile1 Details Discussions Posts This discussion Message User 7,857 posts 03-18-2026 at 02:05am Copy Comment URL Report Comment Edit Delete I think it was a battery in AOC’s plug he was referring to. I just don’t see how changing that will fix your amp…