W
SYNTHESIZERS · 1978
Jupiter 4
Roland
Manufacturer
Roland
Type
Synthesizers
Production
1978–1981
01
From the Community
From the community
No conversations about the Jupiter 4 yet — own one or know it well? Ask the first question, share a fix, or post your unit.
02
Document Library
03
Audio Demos
04
Compatible Sound ROMs
05
EPROM Archive
Roland Jupiter 4 8048-012
os·279FF3370
06
Parts & Components
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07
Modifications
08
Owner Registry
Production figures for the Jupiter 4 were never widely published, so there’s no official record of how many were built — or how many survive. This registry is a community census: every owner who logs their unit makes it the closest thing there is to a real count.
0units registered
0 serials recorded
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09
System Components
CONTENTS
01From the Community02Document Library03Audio Demos04Compatible Sound ROMs05EPROM Archive06Parts & Components07Modifications08Owner Registry09System ComponentsManufacturer
Roland
View all products →
Specifications
- LFO
- 1 triangle/square/sawtooth/reverse sawtooth
- Dates
- 1978 - 1981
- Price
- US$2,895GB£1,810JP¥385,000
- Filter
- 1 resonant lowpass, 1 highpass
- Effects
- chorus
- Keyboard
- 49 keys
- Polyphony
- 4 voices
- Attenuator
- 2 ADSR
- Oscillator
- 1 VCO + 1 sub-oscillator per voice
- Timbrality
- Monotimbral
- Manufacturer
- Roland
- Storagememory
- 10 presets/8 user patches
- Synthesis type
- AnalogSubtractive
- External control
- None
- Velocity expression
- No
- Aftertouchexpression
- No
