The Roland TR-909 Rhythm Composer is a partially analog, partially sample-based, drum machine introduced by the Japanese Roland Corporation in 1984.

The brainchild of Tadao Kikumoto, the engineer behind the Roland TB-303, it features a 16-step step sequencer and a drum kit that aimed for realism and cost-effectiveness. It is fully programmable, and like its predecessor, the TR-808, it can store entire songs with multiple sections, as opposed to simply storing patterns. It was the first MIDI-equipped drum machine. Around 10,000 units were produced.

The TR-909 is considered by many producers as the standard House and Techno drum machine. Sounds include kick, snare, hand clap, open and closed hi hats, low mid and hi toms, rim shot, ride and crash cymbals. Sounds are tweakable - attack, tone, tuning, decay, snap and accent. This machine does not sound like true acoustic drums, and we don't want it to. It has a unique and very loveable analog sound that's all its own!

It is armed with Roland's DIN Sync and MIDI, individual outputs, external memory cartridges, and an essential shuffle & flam for great grooves. Use it as a sound module or program patterns, songs and beats into it...either way you'll be in analog drum heaven with the 909!

Extremely popular today, especially for dance, it is used by 808 State, Air, Bushflange, Future Sound of London, Moby, Norman Cook (Fatboy Slim), Orbital, Hardfloor, Überzone, Underworld, The Prodigy, Faithless, ATB, Eat Static, Jimmy Edgar, Sense Datum, Richie Hawtin, A Guy Called Gerald, Astral Projection, Josh Wink, Freddy Fresh, Jean-Michel Jarre, Luke Vibert, the Chemical Brothers, and many more!

Polyphony - 12 voices
Sounds - Kick, Snare, Low/Mid/Hi Toms, Rimshot, Hand clap, Cymbal, Open hihat, Closed hihat, Accents
Controls - Individual level, tuning, attack, decay, and tone controls for some sounds
Patterns - 96
Songs - 8
Arpeg/Seq - Sequencer
Keyboard - none
Control - Midi In/Out & DIN Sync In
Date Produced - 1984-85

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