Boss - DR 550 Dr Rhythm Drum Machine ( Late 80's Early 90's V1) w/ Original User Guide & PS - USED manuel-gardener-fernandes-signature This aggressively hot treble pickup

This aggressively hot treble pickup is ideal for screaming leads with rounded mids

The absorptive acoustic panel is made from 6lb high-density glass wool for even absorption right down into the critical lower mid range zone

- Max SPL (Pair): 104 dB

Now you’re in the bass country

With 4 available clipping presets and our exclusive Gain Cycle technology

Boss - DR 550 Dr Rhythm Drum Machine ( Late 80's Early 90's V1) w/ Original User Guide & PS - USED manuel-gardener-fernandes-signature This aggressively hot treble pickupUsed,.. 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,