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Boss DR-55 Dr. Rhythm

Digital Drum Machine

DescriptionImagesTech specsCompatibleFAQComments

DR-55 Dr. Rhythm 1DR-55 Dr. Rhythm 2DR-55 Dr. Rhythm 3DR-55 Dr. Rhythm 4
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Boss DR-55 Dr. Rhythm
Boss DR-55 Dr. Rhythm
250.00 street price

The release of DR-55 by Boss took place in 1980, and it became the first rhythm machine from the popular DR. Rhythm series. It was small, inexpensive, easy to use, and it is suitable for musicians of any level. Basic controls and drum timbres made this drum machine a hit among guitarists and other musicians who are looking for drum accompaniment for practicing together and even for home recording.

DR-55 can store up to six 16-step drum patterns and 2 additional 12-step patterns. The latter fits into 3/4 and 6/8 rhythms. The "Variation" switch changes patterns on the fly. The drum library consists of only 4 timbres: a bass drum, a working drum, a rimshot and a hi-hat. Sounds are comparable to the "CR" series, as well as some of the cheaper drum machines "TR" (TR-505/TR-606). You can globally adjust the volume, tempo, tone and accent of the drums.

Programming in the step mode is performed as usual: start DR-55 in the "Write" mode and select the sound from the "Sound Switch".

Next, use the "Start" button to select a sound and use the "Stop" to register a pattern. Only kick, snare, rimshot can be used for patterns in step mode, and the hi-hat can be programmed in 1/8, 1/12, and 1/16 by the appropriate switch. The drum machine was used by such artists as New Order, The Cure, Chris&Cosey and Xeno&Oaklander.

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More info
Usage area
Bass Synthesizer 
Usage Design/ Form Factor
Without Keys, Desktop 
Digital (D) 
Programs/ Voices/ Timbres
Percussion/ Drum Capabilities Kick Drum
Percussion/ Drum Capabilities Snare Drum
Percussion/ Drum Capabilities Hi-Hat Open
Percussion/ Drum Capabilities Hi-Hat Close
Built-in controllers
Knob/ Switch4
External controllers
Swell foot pedal 
Audio out
Analogue: 1/4" (6.35mm)1
Power Supply Internal, Accumulators
Height53 mm
Width211 mm
Depth116 mm
Weight0.850 kg
Case/ body
Production start1980
Production end1983

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