DUELL
Bi-timbral synth built on Felucca: two simultaneous sound parts with their own engines, patches, effects, EQ and arpeggiators, in LAYER, SPLIT or STEREO modes, with patch morphing and about 100 factory sounds.
by OSCILL/R
Brick risk. Flashing this carries a known, documented risk of damaging the device.
- Distribution
- Browser installer (WebMIDI / WebUSB)
- Source
- github.com https://github.com/oscillr/DUELL
- Homepage
- oscillr.github.io https://oscillr.github.io/DUELL/emu/
- synth-engine
- performance
- fx
- midi
Description
Developed emulator-first. The author has flashed it on one real FM-1 and reports the return to official V15 working about three times on that unit; this is untested elsewhere. Recovery notes in docs/RECOVERY.md.
Install notes
Installer page at oscillr.github.io/DUELL/install/ and docs/INSTALL.md.
Version history
| Version | Date | Notes |
|---|---|---|
| 0.2.4 beta | 2026-10-12 | First firmware beta; earlier 0.1 beta was the emulator only. |