Diagram of the front panel of the Knobula Pianophonic
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Knobula Pianophonic MIDI CCs & NRPNs

MIDI implementation details for the Knobula Pianophonic.

Last update: November 27, 2025 • 13 parameters

Contributions welcome! You can email us your edited CSV if you don't want to use GitHub.

System

Parameter CC Range Usage Description Orientation
All sounds off 120 [0–0]
0: All sounds off
Forces all voices off ignoring release time
Note: Trigger function via hardware: Press Shift button fast 4 times
0-based
Main volume 7 [0–127]
0~127: Mute to +9dB
Additional scaling of output signal
Note: Default is 100. 100 is unity gain.
0-based

Voice

Parameter CC Range Usage Description Orientation
Chord select 1 [0–127]
0~127: Select chord slot 0-8
Select chord slot
Note: Not stored.
0-based

Envelope

Parameter CC Range Usage Description Orientation
Attack offset 73 [0–127]
0~127: Bipolar offset
Bipolar offset to Attack knob value
Note: Dedicated pot. Not stored.
Centered
Decay offset 75 [0–127]
0~127: Bipolar offset
Bipolar offset to Decay knob value
Note: Dedicated pot. Not stored.
Centered
Release offset 72 [0–127]
0~127: Bipolar offset
Bipolar offset to Release knob value
Note: Dedicated pot. Not stored.
Centered

Filter

Parameter CC Range Usage Description Orientation
Filter offset 74 [0–127]
0~127: Bipolar offset
Bipolar offset to Filter knob value
Note: Dedicated pot. Not stored.
Centered

Oscillator

Parameter CC Range Usage Description Orientation
Detune offset 94 [0–127]
0~127: Bipolar offset
Bipolar offset to Detune knob value
Note: Dedicated pot. Not stored.
Centered
Start position offset 78 [0–127]
0~127: Bipolar offset
Bipolar offset to Start Position knob value
Note: Dedicated pot + CV. Not stored.
Centered
Morph speed offset 77 [0–127]
0~127: Bipolar offset
Bipolar offset to Morph Speed knob value
Note: Dedicated pot. Not stored.
Centered

Effects

Parameter CC Range Usage Description Orientation
Reverb send scaling 92 [0–127]
0~127: Mute to +9dB
Additional scaling factor on reverb send path
Note: Dedicated pot. Not stored. 64 is unity gain.
0-based

Calibration

Parameter CC Range Usage Description Orientation
V/Oct slope 23 [0–127]
0~127: 1.10V/Oct to 0.91V/Oct
Adjust the sensitivity of the V/Oct input
Note: Default is 64. 64 is exactly 1V/Oct.
Centered
V/Oct offset 24 [0–127]
0~127: -100 cents to : +100 cents
Adjust the static offset to be applied to the V/Oct input
Note: Default is 64. 64 is no offset.
Centered

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