Matt's Gearspace

Speciality

Mellotron M4000D RackvsMellotron Micro Module

Summary

Mellotron M4000D Rack and Mellotron Micro Module: 2 Mellotron specialitys compared side by side. They differ on 8 of 12 compared specifications.

+ Add more speciality
2 items

Mellotron

M4000D Rack
CurrentView details →

Mellotron

Micro Module
CurrentView details →
General
ManufacturerMellotronMellotron
StatusCurrentCurrent
Released20142025
Instrument
TypeDigital tape replayDigital tape replay
Sound engineSame engine as the M4000D: 100 Mellotron and Chamberlin sounds built in, plus an expansion slot for 100 moreMicro engine on microSD: 100 Mellotron and Chamberlin sounds; not expandable
Polyphony10 notes10 notes
Features100 Mellotron and Chamberlin sounds from first-generation master tapes, 24-bit uncompressed playback, A/B sound mix, Half-speed playback, Pitch control, Two colour displays, 19-inch 2U rack, Expansion card slot100 Mellotron and Chamberlin sounds, 24-bit uncompressed playback, Responds to mono and polyphonic aftertouch over MIDI, High/low switch drops playback one or two octaves, Two displays, Firmware updates via iOS app
Keyboard
AftertouchNoneNone
Connections
OutputsXLR balanced, 1/4-inch unbalanced, Headphones1/4-inch unbalanced, Headphones
MIDI portsDIN in, DIN out, DIN thru3.5 mm TRS in (Type B), 3.5 mm TRS thru (Type B)
Pedal inputsVolume, Sustain, Expression, ExpressionSustain
Size & weight
ColoursWhiteWhite
Dimensions (W × D × H)480 × 140 × 90 mm184 × 135 × 65 mm
Weight1.7 kg0.71 kg

Key differences

  • Released: M4000D Rack – 2014 Micro Module – 2025
  • Sound engine: M4000D Rack – Same engine as the M4000D: 100 Mellotron and Chamberlin sounds built in, plus an expansion slot for 100 more Micro Module – Micro engine on microSD: 100 Mellotron and Chamberlin sounds; not expandable
  • Dimensions (W × D × H): M4000D Rack – 480 × 140 × 90 mm Micro Module – 184 × 135 × 65 mm
  • Weight: M4000D Rack – 1.7 kg Micro Module – 0.71 kg

Both are the same on type (Digital tape replay).