The KR55 was, for its time (1979), an advanced preset rhythm drum machine with up to 96 preset rhythm patterns!
There is just a minimal control on te 16 patterns available with a few options: tempo, intro fills or swing. The swing function should be used only for jazzy rhythms, on other patterns it acts weird creating a wobbling effect. The trigger out can sync other devices, and the nearby switches sets 1 of the 5 tempo available dividers including: kick drum / whole note / 4th / 8th / 16th.
Tested, near mint condition, perfect working order. View more pictures 📷