Roland RA-50 Real Time Arranger MIDI Sound ModuleのeBay公認海外通販|セカイモン
SmokeMonster on Twitter: "Roland RA-50 to MT-32/CM-32L conversion complete. It has a CM-32L ROM inside, and now has the All Notes Off command re-enabled. I simplified the mod (one less wire) and
ROLAND RA-50 - #7473803 - su Mercatino Musicale in Expander Rack
Roland RA-50 Realtime Arranger - Catawiki
1990's Roland RA-50 Realtime Arranger – Mojo Stompboxes