Sunday, July 31, 2016
Oberheim CPS1 Synth Expander Module SN 409
via this auction
"Original late 1970's Oberheim CPS-1 synthesizer expander module. Works perfectly, excellent condition. 2 syncable analog oscillators and audio i/o. You can process external audio through filters and modulator. Unit is stock. Pots, jacks, and internal connectors have been cleaned. S/N 409."