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The Firmware Hub · FM-1 · L/RRY

L/RRY for the M-VAVE FM-1

L/RRY0.1.0-beta · beta

by OSCILL/R GitHub ↗

synthbeta

A stereo-field morphing synth. Two oscillators with eight models, a sub, noise and ring mod, two filters and two dirt stages, each with its own pan. Move the pans and the sound travels around you. A morph glides between two versions of every patch. Effects and a mod matrix. Best with headphones.

Text by the maker.

About it

Runs on
FM-1 · Browser ↗
Release
0.1.0-beta · released 13 Nov 2026 · on the hub since 13 Nov 2026601 KB · what's new
Licence
GPL-3.0 · source ↗ · copy on the hub
Flash chip
Every FM-1, the newer chip 0xB36014 too
Identity
FM-1_9177what it reports over USB while it runs
Build
Built by its maker, not signed
Popular
★ 2 on GitHub

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Changelog

What changed, version by version1 version

0.1.0 beta (2026-11-13)

First public beta. L/RRY starts from DUELL's code and replaces its sound engine with a stereo voice.

  • The stereo voice: OSC 1 and OSC 2 (SAW, TRI, SINE, PULSE, SYNC, SUPER, FM, WAVEFOLD), SUB OSC, NOISE, RING, each with LEVEL, PAN and FILTER BALANCE.
  • MULTI FILTER and TWIN FILTER with their own pans, SERIES or PARALLEL.
  • DIRT A and DIRT B (SOFT, HARD, FOLD, FUZZ, CRUSH) with their own pans, SERIES or PARALLEL.
  • MID and SIDE per patch.
  • New matrix destinations: the pans of OSC 1, OSC 2, both filters, MID, SIDE and DIRT B DRIVE.
  • The ALGORITHM knob moves MORPH on every page; MENU > CONTROL > ALGORITHM KNOB picks what it turns.
  • The FX page: the patch's CHORUS, DELAY and REVERB send levels.
  • GLO > MODULES > SENDS switches the effects off and gives their voices back.
  • Both cores play voices, and the number on the screen is measured on the unit with everything on.
  • HOME shows the sound as rings in the stereo field.
  • 128 new patches.
  • Web installer, web editor and a browser emulator.
  • The second part and the DUEL, STEREO and LAYER modes: L/RRY is one part.
  • DUELL's ten engines, PERFORM, the master compressor, INSERT, EQ and DUCK.

CHANGELOG.md on GitHub ↗