KAWAI R-50 oled display. Eprom with custom firmware. (faux 16×1) will not benefit from this firmware, as it is not an upgrade.
KAWAI R-50e Kawai R50 e Digital Drum Machine w/AC Adapter From Japan 2868614
KAWAI R100 - R50 Industrial Sound EPROM ROM Chip IC For R-100 R-50 Sample
KAWAI R100 R50 - ROLAND TR909 TR-909 SOUNDS Eprom Drum Machine R-100 R-50 Chip
Kawai R100 sound ROM switcher - no solder DIY kit includes R50 R50e R100 sounds
KAWAI R100 And R50 - LINN DRUM LM2 Sounds EPROM LINNDRUM ROM Chip IC R-100 R-50
Kawai R-100 Digital Drum Machine 12-bit Vintage Rhythm Composer Made in Japan
