SlidellMan

Hainbach on the Seiko DS Keyboard:

Martin Galway actually owned one of these, and here is what he had to say:

Quote

What a cool video! This synth was sitting around the office when I took my job at Ocean Software in January 1985. Naturally I took charge of it and played most of my Ocean tunes on it before they were programmed into the C64. I had the additive synth module but not the sequencer. It was fun to play around with... I tended to think it was a bit pointless because it was so thin-sounding that I couldn't imagine anyone wanting to use it. (and it is not exactly a legendary name in the synth pantheon)