> rebuilding the power supply
Any links or info on how to do this?
> no one has made them in a very long time, and they're essentially impossible to find
That’s too bad. Do you know any software that actually used them anyway?
Regarding the built in speaker, I have a disk called AppleRock ‘83 that has 4 or 5 sampled songs (Led Zeppelin, Van Halen, ZZ Top, etc). Plays through the speaker, no mockingbird. The audio is amazing.