MIDI implementation details for the Bastl Instruments Kastle 2 Alchemist.
Last update: January 14, 2026 • 21 parameters
Contributions welcome! You can email us your edited CSV if you don't want to use GitHub.
| Parameter | CC | Range | Usage | Description | Orientation |
|---|---|---|---|---|---|
| MODE | 1 | [0–127] | — |
Maps 0-127 to 0-[number of values]
Note: Updated only right before trigger or Note On |
0-based |
| Output volume | 7 | [0–127] | — |
SHIFT + top right knob
|
0-based |
| Input gain | 9 | [0–127] | — |
SHIFT + top left knob
|
0-based |
| PITCH | 14 | [0–127] | — |
Top right knob
|
Centered |
| PITCH MOD | 15 | [0–127] | — |
Top left knob
|
Centered |
| TIMBRE | 16 | [0–127] | — |
Middle right knob
|
0-based |
| TIMBRE MOD | 17 | [0–127] | — |
Middle left knob
|
Centered |
| ENV | 18 | [0–127] | — |
Center knob
Note: Updated only right before trigger or Note On |
0-based |
| ENV MOD | 19 | [0–127] | — |
SHIFT + center knob
Note: Updated only right before trigger or Note On |
0-based |
| RATIO | 20 | [0–127] | — |
SHIFT + middle right knob
|
Centered |
| FX | 21 | [0–127] | — |
SHIFT + middle left knob
|
0-based |
| LFO | 22 | [0–127] | — |
Bottom right knob
|
Centered |
| LFO MOD | 23 | [0–127] | — |
Bottom left knob
|
Centered |
| TEMPO | 24 | [0–127] | — |
SHIFT + bottom right knob
|
0-based |
| RHYTHM | 25 | [0–127] | — |
SHIFT + bottom left knob
|
Centered |
| SCALE | 27 | [0–127] | — |
MODE + top left knob
|
0-based |
| PITCH ROOT | 28 | [0–127] | — |
MODE + middle left knob
|
Centered |
| FINE TUNE | 29 | [0–127] | — |
MODE + bottom left knob
|
Centered |
| Portamento | 30 | [0–127] | — |
MODE + middle right knob, counter-clockwise
|
0-based |
| Pitch envelope | 31 | [0–127] | — |
MODE + middle right knob, clockwise
|
0-based |
| Reset all controllers | 121 | [0–127] | — |
Goes back to knob control for values
|
0-based |
The portions of this library that refer to specific devices may be owned by the devices' respective manufacturers. Everything else is licensed under the Creative Commons Attribution Share Alike 4.0 International license.