
via this auction
"Here description from the "A-Z of Analogue Synthesizers" book by Peter Forrest:
JUNOST'21: Polyphonic 48-note (F-E) strap-on velocity-sensitive synth with mod grip.
- Fairly unique, since most synths of this type are mainly monophonic.
- The mod grip has volume and pitch-bend wheels, and unison/chorus switch.
- Sliders on the main synth body for LFO depth, speed, delay, routing to filter or VCO. VCF and VCA each with AD envelope.

Check out the manual cover. Samples at the auction and ruskeys.net.