Roland DDR-30

DDR-30
ManufacturerRoland Corporation
Dates1985
Price$1,195 MSRP
Technical specifications
Polyphony6-voice
Timbrality6
Oscillator8
Synthesis typeSample-based synthesis
Velocity expressionGated and controls Bend parameter.
Storage memoryInternal: 48 patches and 32 drum kits; Memory cartridge: 64 drum kits.
Hardware2 RU case,16-character VFD, data cartridge slot.
Input/output
External control8 XLR Pad triggers, Bank shift foot switch, Set shift foot switch, MIDI Thru / Out / In.
Audio sample(24) 12-bit samples on PCM chip

The Roland DDR-30 "Alpha Drum" is a digital PCM drum module built by Roland, in early 1985.[1] It was introduced during 1985 Summer NAMM industry trade show in New Orleans.[2]

  1. ^ Graham, Alex (2019). Electronic Drumfax. sef-published. p. 100. ISBN 978-1701024229.
  2. ^ Mattingly, Rick (October 1985). "NAMM in New Orleans". Modern Drummer. 9 (10): 118. ISSN 0194-4533.