Octabam

Sam Banks and community contributorsUpdated Oct 20, 2026277 on GitHub

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Octabam is an unofficial community firmware remixer for the Elektron Octatrack MKI and MKII. Developed by Sam Banks with community contributions, it combines selected modules into a custom operating-system image built from the owner’s copy of Elektron OS 1.40C. The repository’s own code is MIT licensed; it does not distribute Elektron firmware or prebuilt images. Depending on the chosen remix, modules add custom delay, reverb, modulation and filter effects, synthesis, sequencer changes, expanded kit and scene workflows, USB audio and MIDI, and bug fixes. Users can select an existing remix or compose their own combination. Module validation and hardware testing vary; the project documents those limits individually, along with build, installation and recovery instructions.

License: MIT

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Custom firmware for the Elektron Octatrack MK1 — the passenger mod. A scale system and a STOP guard, on top of stock OS 1.40C. Every one of the fourteen stock FX2 effects is untouched and nothing is placed on the DSP, so the unit sounds exactly as it always did. Tested and running on hardware. Built on octabam by Sam Banks, which composes a firmware image out of your own copy of Elektron's OS 1.40C. Octabam's own README is kept here as OCTABAM.md — read it for how the remixer works, what a module is, and how to write one.

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