Boss - DR 550 Dr Rhythm Drum Machine ( Late 80's Early 90's V1) w/ Original User Guide & PS - USED natural-grey-burst with some modern accouterments for

with some modern accouterments for all you land-lubbers out there

with only one small mark on the back of the body that was repaired at some point by a previous owner

Bridge: Suhr SSH+ Bridge

True-Pitch Tuning™ rods

because we create a second and third voice–like singers in a choir

Boss - DR 550 Dr Rhythm Drum Machine ( Late 80's Early 90's V1) w/ Original User Guide & PS - USED natural-grey-burst with some modern accouterments forUsed,.. vintage MIJ,.. Version 1, Boss "Dr Rhythm DR 550" electronic drum machine with its original Boss DR 550 owners manual and 9 Volt power supply. Made in Japan during the late 1980's this blue scripted unit of the Boss' DR Rhythm is the companies first version of the DR 550 drum machine line and is in excellent condition and perfect working order when tested. The DR 550 was one of many steps along the road of progress in the largely amateur,