RARO! Folletos de registro de demostración vintage 1978 Sequential Circuits Prophet, ~5 y ~10

"TheProphet~5 and TheProphet~10 ". This is a booklet with 2 Eva-Tone demo records in it. These 2 records are double-sided with the Prophet~5 on one side and the Prophet~10 on the other. The Prophet~5, developed by Sequential Circuits and designed by Dave Smith and John Bowen, was released in 1978.

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