Originally posted by cassp:
yeah, I checked Google, lots of info but I'm still confused as to where these kbds fit into the scheme of things?
Cass,
According to this Yamaha "manual library" link, it looks like the PSR-4000 might have been introduced (into the scheme of things) around 1995.
Yamaha Manual Lib Don't know who/where they were sold though.
Dear answer man (George Kaye) where are you...