SSM 2020 VCA CHIP FOR VINTAGE SYNTH SEQUENTIAL CIRCUITS

Solid State Music, later known as Solid State Microtechnology for Music or simply "SSM," was founded by Ron Dow and John Burgoon in 1974, with assistance by Dave Rossum of E-MU Systems. In an unusual pairing, they also produced S-100 bus computer cards, including a Sound Synthesizer Card.

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