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Korg Rhythm 55 KR-55

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The Korg Rhythm 55 aka the KR-55 is an analog drum machine released in 1979. It features an assortment of knobs and buttons for adjusting rhythms and type of beat.

The connections of the unit feature a select switch on back for quantizing beats, a trigger out, and two audio outs for high and low connectivity for difference setups.

The unit is non programmable but the tempo could be controlled and there are volume sliders for mixing the sounds as well a shuffle function . The sound of the hi-hats are said to be similar to the Roland TR-808 and more complex.


Type: Analog
Sound Engine: Subtractive
Pattern Notes:
+ 43 Rhythm Patterns
+ 16 intros
+ 16 Fill Ins
Sounds Per Pad
Sounds Per Pad: 1
Sources: Synthesizer
Polyphony & Tuning
Polyphony: 12
Timbrality: 12
Tuning: Standard
Modes: Polyphonic
Patterns User: 1
Patterns Preset: 43
Case: Desktop
Controls: Buttons, Faders, Start / Stop Pedal
Dimensions (WxDxH): 296 x 61.5 x 258 mm
Weight: 27 kg
MIDI / Sync / Trigger
Audio Outputs: 1/4" Phone Jack, Mono Out
Audio Output Count: 2
CV Ports: Trigger Out
Power: 6 w
Used: $152-$795
Released: 1979
Used By
Jean Michel Jarre
Manuals & Documents
References & Sources

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