MOTM-650 four-channel MIDI interface and Encore UEG-01 Universal Event Generator

via Sequence 15 where you'll find the full write-up on the MOTM-650 and the Encore Electronics UEG-01 Universal Event Generator.

"Each channel converts a MIDI Note On/Off pair to a control voltage representing pitch, an envelope gate, a control voltage representing velocity, and a fourth output which can be associated with a MIDI control number. The pitch CV reacts and responds to MIDI pitch wheel messages also."

"So what is a universal event generator? It's an expansion and generalization of the concept of an envelope generator. We tend to think of a conventional ADSR envelope generator as having four phases, but it's really only three, and we only have full control over one of the three..."