W
SYNTHESIZERS · 1996
JP 4
Roland
Manufacturer
Roland
Type
Synthesizers
Production
1996–2001
01
From the Community
From the community
No conversations about the JP 4 yet — own one or know it well? Ask the first question, share a fix, or post your unit.
02
Document Library
Manuals
203
Audio Demos
04
Compatible Sound ROMs
05
Modifications
06
Owner Registry
Production figures for the JP 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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Own one? Add it to My Gear to join the registrySerial number, condition, and configuration are aggregated anonymously into the census.
07
System Components
CONTENTS
01From the Community02Document Library03Audio Demos04Compatible Sound ROMs05Modifications06Owner Registry07System ComponentsManufacturer
Roland
View all products →
Specifications
- LFO
- 2 sawtooth/square/triangle
- Dates
- 1996 - 2001
- Price
- $2,295USD
- Filter
- 1 12dB / 24dB resonant lowpass/highpass/bandpass
- Effects
- Chorus, delay, 2 band EQ / ring modulator
- Keyboard
- 49 keys
- Polyphony
- 8 voices
- Attenuator
- 2 ADSR
- Oscillator
- 2 oscillators per voice / sync OSC1 types : Super Saw / Triangle mod / noise / Feedback / Square / Saw / Triangle. OSC2 types : Square / Saw / Triangle
- Timbrality
- 2
- Manufacturer
- Roland
- Storagememory
- 128 presets/128 user patches64 preset performances/64 user performances
- Synthesis type
- Virtual analogSubtractive
- External control
- MIDI
- Velocity expression
- Yes
- Aftertouchexpression
- No
