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 |
This dataset is provided under the Creative Commons Attribution Share Alike 4.0 International license.