Diagram of the front panel of the Modbap Trinity
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Modbap Trinity MIDI CCs & NRPNs

MIDI implementation details for the Modbap Trinity.

Last update: January 14, 2026 • 16 parameters

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

MIDI CCs 19 and 75 each have two definitions: one for Arcade mode, and one for all other modes.

General

Parameter CC Range Usage Description Orientation
Sweep Knob 75 [0–127]
0~127: Sweep amount
Envelope depth for pitch modulation
Note: Ratchet amount w/ Arcade
0-based
Time Knob 19 [0–127]
0~127: Time amount
Rate of the pitch sweep
Note: Ratchet duration w/ Arcade
0-based
Ratchet Amount 75 [0–127]
0~127: Sweep amount
Ratchet amount w/ Arcade
0-based
Ratchet Duration 19 [0–127]
0~127: Time amount
Ratchet duration w/ Arcade
0-based
EQ Knob 74 [0–127]
0~63: Low-Pass; 64~127: High-Pass
DJ-style state-variable filter
Centered
Volume Knob 7 [0–127]
0~127: Volume
Output level for the selected drum channel
0-based
Character Knob 70 [0–127]
0~127: Character
Primary timbre control
0-based
Clipper Knob 77 [0–127]
0~127: Clipper amount
Wave-shaping distortion amount
0-based
Hold Knob 16 [0–127]
0~127: Hold amount
Hold time of the amp envelope
0-based
Shape Knob 79 [0–127]
0~127: Shape
Secondary timbre control
0-based
Grit Knob 78 [0–127]
0~127: Grit amount
Noise or tertiary timbre control
0-based
Decay Knob 72 [0–127]
0~127: Decay amount
Envelope decay time
0-based
Stack Spread Knob 86 [0–127]
0~127: Stack Spread
Time spread for stacked voices
0-based
Cycle Button 17 [0–127]
0-42: Off; 43-84: Round Robin; 85-127: Random
Selects Cycle mode
0-based
Type Button 18 [0–127]
0-31: Block; 32-62: Heap; 63-93: Neon; 94-127: Arcade
Selects Algorithm type
0-based
Stack Button 85 [0–127]
0-42: Off; 43-84: 2-Stack; 85-127: 3-Stack
Selects Stack mode
0-based

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