Boss DR-770
Released in 1999The DR-770 Dr. Rhythm is a drum machine and sequencer with 255 instruments, 400 preset patterns, and 400 user patterns.
All photos are copyrighted by Syntaur, and may not be used without permission.
The DR-770 Dr. Rhythm is a drum machine and sequencer with 255 instruments, 400 preset patterns, and 400 user patterns.