Prophet-5
The Prophet-5 is an analog synthesizer manufactured by the American company Sequential. It was designed by Dave Smith and John Bowen in 1977. It was the first polyphonic synthesizer with fully programmable memory. Wikipedia
Creator: Dave Smith
Aftertouch expression: No on Rev1 to Rev3, Yes on Rev4
Dates: 1978–84, 2020– (Prophet-5); 1977, 1981–84, 2020– (Prophet-10)
Filter: 4-pole resonant low-pass
Keyboard: 61 keys (Prophet-5 (all versions), Prophet-10 (1977, Rev 4)); Double 61 key manuals (Prophet-10 (1981-84))
Left-hand control: Pitch and modulation wheels
Oscillator: 2 VCOs per voice