MOOG Opus 3

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Title link takes you to shots pulled via this auction.

Crumar Stratus

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Note the yellow, red and orange are written on the surface of the synth most likely to mark a patch. It is not actually originally printed on the synth.

Star Instruments Synare

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Title link takes you to shots pulled via this auction.

Details:
"THE WORLD'S FIRST PERCUSSION SYNTHESIZER"