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?

parkergetdean

I am not sure if anyone mentioned this but, have you tried connecting the amp to a different outlet/separate breaker. The 308 might be reacting to a lower/variable amount of voltage from the wall. I would also work-in (power on/off, power on/off a few times) the particular breaker powering that outlet. I have found this to be the case on a handful of occasions in my 60 + years visiting people's homes and in my own home. MrD.

Other than checking fuses, or something obvious, I would not get into it.  In most consumer electronics, yes even expensive audiophile boxes, the main purpose of a fuse is to prevent fire.  For instance, if your transformer develops a short, you don’t want it catching fire.  Your best bet is to always take it to the manufacturer for service.  If modifications or upgrades are needed, they can take care of them.  They will be familiar with the unit, have the correct parts available and it should be done right.  If that is not possible, take it to a known good audio repair technician that works on this type of equipment.  Most consumer electronics nowadays is not mean to be serviced.

Hope it works out for you.

Most consumer electronics nowadays is not mean to be serviced.

Nonsense.