The legendary Prophet-5 sound, rebuilt by its original designer – with modern reliability. The Sequential Prophet-5 Keyboard is the Rev 4 version of the classic 5-voice analog polysynth. It combines authentic Curtis oscillators, two classic filter types and the original Poly Mod with velocity, aftertouch, MIDI and USB.
Why customers choose it
- Authentic oscillators: two CEM 3340 VCOs per voice (A: saw, pulse; B: saw, triangle, pulse) with variable pulse width, hard sync and a low-frequency mode on oscillator B.
- Two classic filters: the Dave Rossum-designed SSI 2140 (Rev1/2 sound) and the Doug Curtis CEM 3320 (Rev3 sound), four-pole resonant low-pass, able to self-oscillate.
- Vintage knob: goes from a very stable “4” (Rev 4) to the loose, temperamental character of a Rev 1, by varying oscillators, envelopes and amplifiers voice to voice.
- Poly Mod: the filter envelope and oscillator B modulate oscillator A and the filter for classic sync sweeps and bell tones.
- More expression: velocity response on the filter and amp envelopes, plus channel aftertouch to filter cutoff or LFO amount.
Who it is for
Keyboard players, film composers and producers who want the original Prophet sound for pads, brass, leads and basses, with the playability of a premium keyboard.
Specifications
| Type | Analog polyphonic synthesizer, keyboard |
|---|---|
| Voices | 5 |
| Keyboard | Full-size, semi-weighted Fatar, 5 octaves, velocity and aftertouch |
| Oscillators | 2 CEM 3340 VCOs per voice, white noise |
| Filters | 4-pole resonant low-pass: SSI 2140 (Rev1/2) or CEM 3320 (Rev3), switchable |
| Envelopes | ADSR filter, ADSR amp |
| LFO | Saw, triangle, square (selectable together) |
| Programs | 200 user + 200 factory |
| Outputs | Mono out (1/4″), stereo headphone out (1/4″) |
| CV / gate | CV in/out (1/4″, 0 to +5 V, 1 V/oct), gate in/out (1/4″) |
| Pedal inputs | Filter cutoff expression, volume expression, sustain footswitch |
| MIDI | MIDI in, out, thru; USB MIDI |
| Power | Internal supply, IEC inlet, 100-240 V, 50-60 Hz, 25 W max |
| Dimensions | 94.92 x 41.52 x 15.11 cm |
| Weight | 14.51 kg |
| Build | All-steel construction with black walnut body and trim |
Good to know
- Includes the original Prophet-5 factory sounds.
- Preset switch off = live panel: what you see is what you hear.
- Spring-loaded pitch wheel with range set per program (1 to 12 semitones); the transpose controls span an 8-octave range.
- Internal power supply: standard IEC cable, works on 100-240 V.
FAQ
Is this the original Prophet design?
It is the Rev 4, by Sequential (founded by original Prophet-5 designer Dave Smith), with genuine Curtis VCOs and filters as used in the Prophet-5 Rev 3 plus the SSI 2140 filter for the Rev 1/2 sound.
Prophet-5 or Prophet-10?
Same sound engine. The Prophet-10 doubles the voices to 10 and adds bi-timbral layers and splits.
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