Ahhh, after 2 years of no signs of any problems or failures, my opus 3 is acting strange. The voices no longer sound, except for the strings/organ voice which plays for a few seconds then cuts out. Ive tried various cables and amplification sources and the same thing occurs.
Would there be a place to get it serviced in sydney Australia? I have no idea what to specifically to check or clean.
any advice? (besides “start saving for an LP”
oh thank the lord i can hear her breathing again!
Although, no im abit paranoid and was wondering if there was any way i can monitor its stability?
One of the main things that I suspect on ANY piece of equipment that’s failing, is the power supply. On something of this age i’d be suspect because of potentially (probably) failing filter capacitors on the power supply. Resistors generally just go out of spec and don’t go bad, diodes on a power supply can go bad (but it’s generally either all or nothing) and a voltage regulator generally doesn’t go unless the caps really do something stupid.
On an Opus I’d definitely recap at least the power supply. Probably just two filter caps (don’t have a schematic). Then again, it’s got a standard 120/220V AC input, so I’d be really careful with that voltage going there, and if you don’t know what you’re doing… then I’d hand it off to a qualified tech (it won’t be as bad as a tube amp, but still potentiall painful).
Other things can fail, but when things just start acting ‘weird’ that’s what I suspect generally, as if the power supply isn’t in spec, then nothing will work well. Op amps don’t work well generally if they aren’t recieving proper voltage, and neither will anything else.