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Bastl Instruments CITADEL ALCHEMIST firmware

Bastl Instruments active Device launched 2026
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Latest firmware

1.7
released 2 Sep 2026
Download firmware from bastl-instruments.com
Updater
See the update steps below
Manual
User manual (PDF)

What's new in 1.7

- Added Humanize/Swing (MODE + LFO); co-developed with Tomasz Szymanek, Bastl Discord community member - Added assignable LFO MOD destination (in Advanced Settings) - Added MIDI velocity and sustain support - Small fixes

Last checked 26 Oct 2026

Release notes on bastl-instruments.com ↗

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Release history
  1. 1.72 Sep 2026
  2. 1.6
All 2 releases ↓

Bastl Instruments CITADEL ALCHEMIST manual & official pages

How to update the Bastl Instruments CITADEL ALCHEMIST

Connect the module via USB-C while holding the SHIFT button to enter update mode. The module appears as a RPI-RP2 drive — copy the .uf2 firmware file onto it. Update completes in up to 2 minutes.

Just for reference. For complete and up-to-date instructions, always refer to the manufacturer's official firmware page.

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Bastl Instruments CITADEL ALCHEMIST firmware update history

Changelogs summarised from the manufacturer's release notes.

Version 1.7 — 2 Sep 2026

Release notes for this version are listed above.

Release notesopens in a new tab — bastl-instruments.com

Version 1.6

Changes: - Fix USB descriptors (properly shows "Kastle 2 Alchemist" on Windows, better overall Linux support) - Fix LFO speed affecting PLAY input thresholds - Add support for sequencer length selection via web app - Small internal tweaks and cleanup
Release notesopens in a new tab — bastl-instruments.com

Bastl Instruments CITADEL ALCHEMIST firmware FAQ

What is the latest firmware for the Bastl Instruments CITADEL ALCHEMIST?

The latest firmware for the Bastl Instruments CITADEL ALCHEMIST is version 1.7, released on 2 Sep 2026. FW//RADAR last checked Bastl Instruments's official page on 26 Oct 2026.

How do I update the Bastl Instruments CITADEL ALCHEMIST?

Connect the module via USB-C while holding the SHIFT button to enter update mode. The module appears as a RPI-RP2 drive — copy the .uf2 firmware file onto it. Full instructions on Bastl Instruments's official firmware page.

Where can I download Bastl Instruments CITADEL ALCHEMIST firmware and drivers?

Directly from Bastl Instruments's official firmware page — FW//RADAR links to the source and never hosts firmware files. Official firmware page →

Where can I find the Bastl Instruments CITADEL ALCHEMIST manual?

The official Bastl Instruments user manual is a PDF hosted on bastl-instruments.com. Bastl Instruments CITADEL ALCHEMIST user manual (PDF) →

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