The Roland Rhythm 77 is an analog drum machine. The Rhythm 33 (TR-33) and Rhythm 55 (TR-77) were lower-end models were available at the same time.
Year Released: 1972
Power Consumption: 4.9 watts
Weight: 7.5 kg
Dimensions: 640 mm x 310 mm x 95 mm
Roland TR-77 Rhythm 77 Vintage Analog Drum Machine – Early Roland Classic ($855)
Roland TR-77 Rhythm 77 1970s - Black ($600)
Roland TR-77 Rhythm 77 1970s - Black ($713.77)
1972 Roland TR-77 Rhythm 77 Vintage Preset Analog Drum Machine Box ($750)
Roland TR-77 – Vintage 1970s Analog Rhythm Machine ($884.28)
Roland TR-77 Rhythm 77 1970s - Black ($638.64)
Roland TR-77 Rhythm 77 w/ Trigger & Sync In ($800.58)
Roland TR-77 Rhythm 77 1970s - Black ($823.63)
2 analog drum machines : Roland TR-77 Rhythm 77 and Keynote MR101 mark XX ($699)
Roland TR-77 Rhythm 77 ($1,211.79)
ROLAND TR-77 Rhythm 77 October 1975 ($727.80)
RARE Roland TR-77 Logic Board 142-003 - NEW / 50% Discount ($102.47)
Restand Ro Mc77 Ss30 Bk Roland Mc 707. Tr 8 S Stand ($43.06)
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