Boss - DR 550 Dr Rhythm Drum Machine ( Late 80's Early 90's V1) w/ Original User Guide & PS - USED geoff or even a dirty boost

or even a dirty boost as you clip the vintage LM741 op-

• Bassists who want more precise midrange control not available on their existing preamp pedal

Voice 3 (Slightly Overwound Single Coil): Muscular

The modern studio monitor stand with a tiltable tray and a metal tripod base provides for stability and functionality

Boss - DR 550 Dr Rhythm Drum Machine ( Late 80's Early 90's V1) w/ Original User Guide & PS - USED geoff or even a dirty boostUsed,.. 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,