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Roland TR-505

Rhythm machine

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Roland TR-505
Roland TR-505
150.00 street price

The budget digital drum machine Roland TR-505 was released in 1986. It is a simplified version of the classic TR-626. The interface has a monochrome display, 15 buttons for pattern settings, 2 knobs for volume and tempo change, and 16 pads with different PCM drum samples.

The core of the instrument is built on an 8-bit Roland R15179247 CPU based on HD6301 which includes an 8-voice polyphony. The library offers standard drums with an additional set of "ethnic spirit": kick, snare, open/closed hi-hat, tom, cowbell, conga, cymbal, etc.

The functions of each voice are tied to PCM samples which are limited to audio parameters and some very basic polyphony settings. For example, a rhythm machine allows you to play 1 tom per measure, 1 conga at a time, a choice between a rimshoth or a clap, a crash or a ride. Unfortunately, the device does not have any settings for changing the tone of the samples, but it does well in timbrality.

The rhythm machine sequencer is equipped with 2 recording modes: Step Mode and Real Time Note Insert (adds notes in real time), allowing editing up to 48 patterns. Among the settings options, you can change the number of steps. Internal synchronization varies from 40 to 240 BPM. TR-505 was used by the outstanding IDM producer Aphex Twin and influential pop artist Vince Clarke.


Country of origin / production: Japan

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More info
Usage area
Bass Synthesizer 
Percussion Synthesizer 
Usage Design/ Form Factor
Without Keys, Desktop 
Digital (D) 
Tone Generator / Sound Synthesis
Technology of Sound Generation PCM
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
Percussion/ Drum Capabilities Percussion
Percussion/ Drum Capabilities Tom
Max number of songs6
Preset patterns48
MIDI in/ out
Pads Matrix
Pads Count16
Color resolution Monochrome
Audio out
Analogue: 1/4" (6.35mm)1
Power Supply External
Amperage30 A
Height75 mm
Width305 mm
Depth175 mm
Weight0.820 kg
Production start1986
Production end1988
Production ended

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Roland TR-626
5.0/5 2

  Rhythm machine   200.00 U.S.Dollars

Roland TR-626 became one of the very first full-digital drum machines which are based on compressed PCM samples – it also the latest unit of the famous TR series. It is an updated digital version of the classic TR-606 and TR-505. The design is very...

  • enpdf12.06Mb Roland TR-505 Owner's Manual