"Compu Music" mixer module, including synth and rhythm sections, but requiring an AppleII to function.
Architecture Class: Conventional (subtractive).
Ebay Description:
The Roland Compu Music CMU-800 is an AppleII computer expansion card, which includes a desktop mixer, 6 voice analog synthesizer, 7 voice drum synthesizer, and a sequencer. The sequencer features 8 synth tracks, 1 drum track, and 2 CV tracks.