| Usage area | |
|---|---|
| Synthesizer | |
| Usage Design/ Form Factor | |
| With Keys | |
| Archetype | |
| Analogue (A) | |
| Polyphony | |
| Monophonic | |
| Voices | 1 |
| Multi Timbral Capacity | 1 part(s) |
| Tone Generator / Sound Synthesis | |
| Synthesis Method | Analog Subtractive |
| Oscillator Type | VCO (Voltage Controlled Oscillator) |
| Oscillators per voice | 2 |
| Sub-Oscillators per voice | 1 |
| Waveform/ Spectral form (main generator) | Sine |
| Waveform/ Spectral form (main generator) | Square |
| Waveform/ Spectral form (main generator) | Pulse Width Modulation (PWM) |
| Waveform/ Spectral form (main generator) | Triangle |
| Waveform/ Spectral form (main generator) | Saw |
| Waveform/ Spectral form (main generator) | Reverse Sawtooth |
| Programs/ Voices/ Timbres | |
| Single Voice Preset | 10 |
| User-defined Single Voice | 10 |
| Filter | |
| Voltage Controlled Filter (VCF) | |
| High-pass Filter (HPF) | |
| Low-pass Filter (LPF) | |
| Resonance | |
| Envelope Generator (EG) | |
| Attack | |
| Decay | |
| Sustain | |
| Release | |
| Filter | ADSR |
| Amp | ADSR |
| Modulation | |
| LFO: LFO Count | 1 |
| LFO | Self-oscillating LFO |
| LFO Waveforms | |
| Ramp Up | |
| Ramp Down | |
| Effects | |
| Chorus | |
| Arpegiator/ Portamento | |
| Arpegiator | |
| Portamento | |
| Keys | |
| Type | Synth Action |
| Velocity Sensitivity | No |
| Aftertouch | No |
| Size | 3 |
| Number of Keys | 37 |
| Built-in controllers | |
| Pitch Bend/ Modulation Lever | |
| Slider/ Drawbar | 18 |
| Potentiometer | 10 |
| Knob/ Switch | 13 |
| Button | 23 |
| External controllers | |
| CV/ Gate IN | |
| CV/ Gate OUT | |
| Audio out | |
| Dedicated output per voice | No |
| All voices mixed in one output | |
| Analogue: 1/4" (6.35mm) headphones preamplified | 1 |
| Case/ body | |
| Metal&wood | |
| Color | |
| Black | |
| Production start | 1978 |
| Production end | 1981 |
| Production ended 1 , 1 | |
Jupiter-4 is a synthesizer launched by Roland in 1978. The monotimbral instrument offers one VCO per voice. The oscillator generates triangle, square, and square with PWM, there’s a sub oscillator included. One LFO produces sine, square and ramp (ramp...
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