Oberheim OB-12 49-Key 12-Voice Synthesizer

Note: Auction links are affiliate links for which the site may be compensated.

via this Reverb listing

"One of those synths that looks as beautiful as it sounds! Super unique, an underrated gem from its time, it features

12-voice polyphony with 4-part multitimbrality, utilizing virtual analog subtractive synthesis.

Two oscillators per voice offering sawtooth, triangle, and square/pulse waveforms, along with noise and ring modulation capabilities.

Dual 12dB multimode filters per voice (low-pass, high-pass, band-pass), configurable in series, parallel, or split modes.

Two LFOs per voice, three envelope generators (including complex DADBSR and ADD types).

49-key velocity-sensitive keyboard with aftertouch, pitch and modulation wheels, and a ribbon controller.

Onboard overdrive, chorus, delay, reverb, and a switchable graphic/parametric EQ.

Features a motion recorder, morphing capabilities, arpeggiator, and a phrase recorder. Includes MIDI In/Out/Thru, S/PDIF digital output, and multiple analog outputs."