Yeah, JAZZLOVER, those are definitely interesting.
A few years ago I got one at a thrift store for $5. Took it home, fired it up, and was totally underwhelmed. Sounded like sh*t - today's $100 "keyboard" blows it away in every way. Did a bunch of research. Tried to donate it to a keyboard museum...they already had one. So I disassembled it, kept th manual (for the keys), the bass pedals (to give to whoever wants them), the tubes (hey...ya never know. right? , and the decent wooden cabinet (which I simplyrefinished with a coat of oil/varathane).Tossed the rest of it in "electronic recyclables". Six months later I gave my head a shake,thought "You'll never use that for an intended case/frame for some portables", and gave it back to the thrift store. FWIW...it's not there now.