Sequential FourmvsSequential Prophet-6
Summary
Sequential Fourm and Sequential Prophet-6: 2 Sequential synth onlys compared side by side. They differ on 14 of 19 compared specifications.
| 2 items | Sequential FourmCurrentView details → | Sequential Prophet-6CurrentView details → |
|---|---|---|
| General | ||
| Manufacturer | Sequential | Sequential |
| Status | Current | Current |
| Released | 2025 | 2015 |
| Sound engine | ||
| Engine | Analogue | Analogue |
| Voices | 4 | 6 |
| Polyphony | 4 analogue voices | 6 analogue voices |
| Oscillators | 2 Prophet-5-lineage VCOs per voice with simultaneous waveforms, plus white/pink/violet noise | 2 discrete VCOs per voice with variable shape, plus sub-octave and noise |
| Filter | 4-pole resonant low-pass with bass compensation | 4-pole resonant low-pass plus 2-pole resonant high-pass (discrete) |
| Multi-timbral parts | 1 | 1 |
| Sequencer | Polyphonic step sequencer, up to 64 steps, with per-step glide | Polyphonic step sequencer, up to 64 steps |
| Effects | — | Reverb, Delay, BBD delay, Chorus, Flanger, Phaser, Ring modulator, Analogue distortion |
| Keyboard | ||
| Keys | 37 | 49 |
| Key size | Slim | Full |
| Key action | — | Semi-weighted |
| Aftertouch | Polyphonic | Channel |
| Keybed | Sequential Tactive | — |
| Format | ||
| Format | Keyboard | Keyboard |
| Motorised knobs | No | No |
| Features | Polyphonic aftertouch, Pro-One-style modulation matrix, Vintage setting, Arpeggiator, Pedal input accepts trigger and gate, USB-C, All-steel chassis | Discrete VCOs with variable waveshape, Low-pass and high-pass filters, Poly Mod, True-bypass digital effects, Arpeggiator, 500 factory and 500 user programs |
| Connections | ||
| MIDI ports | DIN in, DIN out, DIN thru, USB | DIN in, DIN out, DIN thru, USB |
| CV / Gate | Yes | No |
| Size & weight | ||
| Colours | Black | Black, Walnut |
| Dimensions (W × D × H) | 562 × 251 × 70 mm | 820 × 323 × 117 mm |
| Weight | 3.97 kg | 9.5 kg |
Key differences
- Keys: Fourm – 37 Prophet-6 – 49
- Voices: Fourm – 4 Prophet-6 – 6
- Released: Fourm – 2025 Prophet-6 – 2015
- Polyphony: Fourm – 4 analogue voices Prophet-6 – 6 analogue voices
- Oscillators: Fourm – 2 Prophet-5-lineage VCOs per voice with simultaneous waveforms, plus white/pink/violet noise Prophet-6 – 2 discrete VCOs per voice with variable shape, plus sub-octave and noise
- Filter: Fourm – 4-pole resonant low-pass with bass compensation Prophet-6 – 4-pole resonant low-pass plus 2-pole resonant high-pass (discrete)
Both are the same on engine (Analogue).