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 R50e drum machines 16 bank ROM Switch with knob and banks sticker
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 - R50 Industrial Sound Eprom Rom Chip Ic for R-100 R-50 sample
Kawai R100 R50 R50E Sound / Wave ROMs Chip IC Firmware R-100 R-50 Chip
