Les

FM-1 firmware · medekat-15

fm1-dub

The DUB-1 generative dub techno machine with eight darker pieces of its own: stabs into tape echo, pings, sub bass and a ducking kick.

Made by
Maggismo
Released
October 26, 2026
Built on
DUB-1
Install
On GitHub
Scan
Scanned, nothing harmful found · Oct 31 What we checked
Last checked
October 31, 2026

What fm1-dub does

  • DUB-1 plays generative dub techno by itself: chord stabs into a tape echo, FM pings, sub bass, kick, hats and crackle.
  • ALGORITHM steps each layer through its voices: seven chord voices, five ping voices, five bass voices and five drum kits.
  • PRESETS picks one of eight pieces, and the keys set the scale, each key adding or taking out its note.
  • Tap SEL for PERFORM, where the knobs sweep Filter, Wet, Energy and Duck and the keys mute, solo and throw.
  • A tap on REC holds the echo, and holding REC opens a grid of sixteen effects played on the white keys.
  • Write chords into eight slots on the Chords page, or draw the drums' five lanes of sixteen steps on the Pattern page.
  • It keeps all eight pieces in memory, saving by itself while resting or when you hold GLO for half a second.
  • MIDI comes in over USB and the TRS jack, the grid follows MIDI clock, and notes and clock go out over USB.

Its modes

PERFORM
Put the master actions Filter, Wet, Energy and Duck on the knobs and use the keys to mute, solo and hold dub moves.
Chords
See and edit the eight chord slots, setting each root, kind and type and choosing Endless or Loop play.
Dub
Steer the whole machine with the Filter, Evolve, Motion and Drift.
Key
Set the piece's tempo, root, mode and swing.
Chord
Shape the stabs with Density, Throws, Wet and Cutoff.
Pings
Set the pings' Density, Octave, Wet and Cloud.
Noise
Shape the crackle groove's Density, Air, Tone and Decay and pick its character.
Bass
Set the sub bass's Density, Octave, Groove and Fifth.
Drums
Set the kick's Density, the hats' Hits, the Hats level and their Tone.
Space
Set how much goes to the echo, the echo time, the feedback in seconds and the reverb.

What Les checked

fm1-dub medekat-15Scanned October 31, 2026

What we checked for

  • The file is exactly the one its author published
  • It's the same file we saw when this release first came out
  • It opens cleanly as an FM-1 firmware, nothing damaged
  • It doesn't show up on your computer as a keyboard, mouse or other input device
  • It doesn't show up as a USB drive or network adapter
  • Its text mentions no computer command tools, like PowerShell, Terminal or a download command

What we found

  • MIDI and audio, as expected

StatusScanned, nothing harmful found

Les scans every firmware here whose file is public, and shows what it checked and what it found. A scan lowers the risk; it can't rule it out. This firmware is made by its author, not by Les or M-VAVE. Back up first, and install at your own risk. How Les scans firmware

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