The Sound You Could Call Back: How the Prophet-5’s Forty Memories Turned a Patch Into a Saved File Dave SmithElectronic MusicGearJohn BowenKraftwerkMusic HistoryPatch MemoryPolyphonic SynthesizerProphet-5Sequential CircuitsStudio CraftSynthesizers October 30, 2026 Before 1978 a synth sound lived in knob positions and a notebook. The Prophet-5 put a microprocessor behind the panel and made the patch something you could save. Read More