The unit has a small amount of wear and tear but I'd say it is in excellent condition especially given it's age. The variation switch was replaced (see photo) and the L/R output knobs are missing the coloured inserts.
Roland TR626 - Rhythm Composer - Original Owner's Manual
Roland TR707 Rhythm Composer PCM Drum Machine AC Adapter Manual Memory Cartridge
Roland Human Rhythm Composer R-5
Roland Human Rhythm Composer R-5 Electronic Drum Machine, 16 Pads, Advanced
BOSS DR-660 Dr. Rhythm Repaired Drum Machine Roland TR808 Junk Japan
Repaired BOSS DR-660 Dr. Rhythm Drum Machine Roland TR808 New Internal Battery
