MATRIXSYNTH: RMI KEYBOARD COMPUTER II w/ Punch Card Presets
Voltage - RMI KEYBOARD COMPUTER II. The RMI Keyboard Computers I and II were the some of the first commercially available digital polyphonic synthesizers on the market. Roger Powell of Utopia and
Spheremusic - Bargain or auction detail
MATRIXSYNTH: Prototype 1974 Vintage 1974 RMI KC-1 Keyboard Computer SN 509 with Punch-Out Card Reader
RMI Keyboard Computer II (KCII) | Reverb Greece
Rare RMI Keyboard Computer KC-2 1975 First Digital Keyboard - Evolution Music