Oberheim Four Voice Analog Synthesizer

via this auction

"Oberheim Four Voice analog synthesizer in perfect working condition with original working cassette interface, the synth tunes great and all the SEM units are calibrated and no tuning issues. The synth has some modifications, there are two ports on the top for connecting two included heavy duty 24 pin (I think) cables which have all the inputs to modularize the synth for every parameter on every voice! You would just need to build a panel with the patch cables and connect to the cables, all the inputs are documented so it wouldn't be hard for a tech to do..."