01
From the Community
From the community
No conversations about the EQ 20 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 EQ 20 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
No units on the census yet — be the first to put your EQ 20 on the map.
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
- Each voltage-controlled LFO hassine, triangle,square, rising sawtooth, and falling sawtooth output (140, 150 modules); the manually set LFO has triangle output only (172 module)
- Dates
- 1979-c.1984
- Price
- £1242 for 5-module system with monophonic keyboard
- Filter
- low-pass(110, 121 modules)
- Effects
- Phase shifter andBBD-based audio delay available (172 module)
- Keyboard
- 32 keys, monophonic (180 keyboard); 49 keys, monophonic (181 keyboard); 49 keys, 4-voice polyphonic (184 keyboard)
- Polyphony
- Depends on chosen modules. Usuallymonophonicor 4-voicepolyphonic.
- Oscillator
- EachVCOhastriangle, fallingsawtooth, andpulseoutput (110, 112 modules)
- Manufacturer
- Roland Corporation
- Synthesis type
- Analogsubtractive
- Left-hand control
- Pitch bend(181 and 184 keyboards only); portamento on/off (181 only); automated arpeggio (184 only)
