01
From the Community
From the community
No conversations about the AT 20r yet — own one or know it well? Ask the first question, share a fix, or post your unit.
02
Document Library
Manuals
303
Audio Demos
04
Compatible Sound ROMs
05
Modifications
06
Owner Registry
Production figures for the AT 20r 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 AT 20r 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
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Specifications
- midi
- in mode = mode-2, it should be used system exclusive messages to change * not recieved in keyboard part
- power
- on default value status 2nd bytes 3rd byte
- midi implementation
- true
