Drum MachinesRoland ⇝ Roland TR-77

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

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Roland TR-77 Manual

Roland TR-77 Service Manual

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Roland Rhythm 77Roland Rhythm 77 ($349.99)