Eprom with firmware version 1.1. This is not an Upgrade/update, this eprom is usefull. to replace a defected Rom. Yamaha Rx-21.
YAMAHA RX21 DIGITAL RHYTHM PROGRAMMER DRUM MACHINE VINTAGE
YAMAHA RX21 Digital Rhythm Programmer Drum Machine RX 17 U2210 240328
Vintage Yamaha RX21 Drum Machine + QX21 MIDI Sequencer
POWER SUPPLY FOR YAMAHA RX21 DIGITAL RHYTHM PROCESSOR ADAPTER 12V (2 METER)
Yamaha RX21 Digital Rhythm Programmer Tested & Working Made In Japan Free Ship
Yamaha RX21 Drum Machine 80s Vintage Retro
