Ideologikal - Casio HT-3000 (Synthesizer, 1987) . I made sound experiment in compositions with this synth, you can listen it here: https://ideologikal.bandcamp.com/album/casio-ht-3000 . History : The Casio HT and HZ series are
Casio HT 3000 Keyboard / Synthesizer in Niedersachsen - Soltau | Musikinstrumente und Zubehör gebraucht kaufen | eBay Kleinanzeigen