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Roland Tr-606

Drumatix Computer Controlled (1981) 

Famous and portable analog machine with same TB-303 design.
TR Transistor Rhythm are considered cult machines around the world.


OVERVIEW Very portablae machine. Main panel features 21 push button, 2 selector knobs and 8 knobs. 
Power supply is external 9V with negative center PSU.

- Roland Aira TR-08 optional  plugins adds tr606 sounds- not analog.
- Cyclone Drum Drone TT-606 affordable tr606 clone
- Acidlab Drumatix very good analog clone with extra controls
- Tr808 iconic analog drum machine
- Tr909 iconic hybrid drum machine 
- Tr505 digital drum machine 
- Tr707 digital drum machine 

Terminal connectors:
- mono signal ouput 
- headphones
- start pedalswitch input
- din sync at 24 PPQ resolution
- switchtab for master / slave SYNC mode
- 2 trigger outputs +5V  (tom 1 and tom 2).


OSCILLATORS main core CPU NEC D650C-128 (MASK ROM) manages 5 channels each with dedicated volume mixer section..  EDIT INTERFACE quite simple with some keystroke, just select and instrument from knob selector and push play. Voilà.

SOUNDS:  Voiceboard generate 7 instruments: kick, snare, tom (x2), cymbal and open/close hh

SEQUENCER is based on classic Roland step mode recording or realtime using the tap button. Default signature is set to 16 steps, but the scale selector can modify to wished value.

Sync, memory

SYNC internal tempo set from 40 to 300 BPM or It is possible to slave the machine using the sync 24 (like tb-303 or mc-202). Another useful synchronisation way is the trigger: simlpy fill the 606 TOM steps and plug it to some synth arpeggiators or simple sequencer like Elka Synthex or Roland Sh-101

MEMORY - 32 patterns + 7 songs.  There is absolutely no way to backup your songs or patterns.
HINT:  When switched off the machine retains the memory if 4 C-size batteries are fitted, and when RUN led begins to flash, it is time to get fresh new batteries! just remember that it is wise to remove them after a long period just to avoid acid leaks.

MAINTENANCE If buying a second hand just watch out for the famous ALPS buttons that may need some replacement, but pay attention to cheap replacement parts.

Roland tr-606 Specifications

Company: Roland
Model: TR-606
Class: Drum Machine
Dates: 1981
Price: 600€
Technology: analog

Percussions: 7
Polyphony: 5
Sequencer: 7 songs
BPM range: 40 - 300
Patterns: 32 slots
Sync: DIN Sync 22 PPQ
LFO: none
Filter: none
CPU: D650C-128 

Weight: 1 Kg
Dimensions: 200 (w) x 55 (h) x 146 (d) mm

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Roland tr606 Roland
classic affordable drum machine. 123456789 1234567890123
80 out of 100 based on 41 user ratings
500 to 700 from 1 sellers Sellers:
Product description: great drum, a bit metallic sound. Customer reviews:
great drum machine! quite happy with it - by , April 1, 2011
5/ 5stars