BOSS DR-55 "Dr.Rhythm" Analog Drum Machine (1979)

(c) 2014 vintage gear demo by RetroSound Boss DR-55 "Dr.Rhythm" analog drum machine from the year 1979 4 Instruments (BD, SD, HH, RS), Accent, Tone, 2x Trigger Out, step by step programming, RetroSound synthesizer demo videos since 2007. All is for free. If you like my work, I&also happy about a small donation or a purchase of my music albums. All is very welcome and helpful. Thank you!