The Oberheim DMX, introduced in 1981, was a programmable digital drum machine that helped define the sound of early 1980s pop, R&B and hip hop. Unlike earlier rhythm boxes, the DMX used digitally sampled drum sounds rather than analogue synthesis, providing a realism that was unmatched at the time.
It came with 24 sampled sounds including bass, snare, toms, hi-hats, cymbals and percussion, each stored in EPROM chips that could be swapped for alternative sounds. The machine supported three dynamic levels for bass and snare to mimic real drummer accents, and all drums were tunable by ±½ octave.
The Oberheim DMX featured both real-time and step-time programming, with quantisation for tight sequencing and a large memory that could store up to 100 patterns and 50 songs. It included a built-in 9-channel stereo mixer with individual outputs, programmable tempo and time signature, sync-to-tape functionality, and integration with Oberheim’s DSX polyphonic sequencer and OB-X/OB-Xa synthesisers. For live use, it supported footswitches to control start/stop and fills, making it a versatile performance tool.
The impact of the Oberheim DMX was immense. It was used on countless early 1980s hits, becoming a studio staple for producers seeking punchy, realistic drums before the LinnDrum took over as the decade’s dominant machine. New Order used it extensively, most famously on Blue Monday (1983), while Madonna’s Holiday and Run-D.M.C.’s It’s Like That also featured the DMX’s distinctive character.
Its tight, sample-based sound was favoured in electro and early hip hop, where its snares, claps and toms became signature elements. The Oberheim DMX also stood out for its expandability: producers could insert different EPROM chips, effectively swapping out the drum kit, a feature later machines would emulate.
Together with the Linn LM-1 and LinnDrum, the Oberheim DMX was one of the first drum machines to bring digital realism to mainstream production, paving the way for the sample-based revolution that followed. Its sound remains iconic, and the Oberheim DMX is still celebrated as one of the great digital drum machines of the early 1980s.
Features
- 24 digitally sampled drum and percussion sounds
- Swappable EPROM chips for interchangeable drum sounds
- Three dynamic levels for bass and snare for realistic accents
- All drums tunable by ±½ octave
- Real-time and step-time programming modes
- Quantisation for tight timing and groove control
- Memory capacity for up to 100 patterns and 50 songs
- Built-in 9-channel stereo mixer for balancing drum voices
- Individual outputs for multitrack recording and processing
- Programmable crystal-controlled metronome
- Programmable tempo and time signatures
- Sync-to-tape capability for overdubbing
- Compatibility with Oberheim DSX sequencer and OB-series synthesisers
- Cassette interface for saving and loading sequences
- Footswitch inputs for live performance control
