Chase Bliss Brothers AM MIDI CCs & NRPNs

MIDI implementation details for the Chase Bliss Brothers AM.

Last update: February 10, 2026 • 30 parameters

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

Knobs

Parameter CC Range Usage Orientation
Gain 2 14 [0–127] — 0-based
Volume 2 15 [0–127] — 0-based
Gain 1 16 [0–127] — 0-based
Tone 2 17 [0–127] — 0-based
Volume 1 18 [0–127] — 0-based
Tone 1 19 [0–127] — 0-based
Presence 2 27 [0–127] — 0-based
Presence 1 29 [0–127] — 0-based

Toggles

Parameter CC Range Usage Orientation
Gain 2 type 21 [0–127]
0-1: Boost; 2: OD; 3-127: Dist
 0-based
Treble boost 22 [0–127]
0-1: Full sun; 2: Off; 3-127: Half sun
 0-based
Gain 1 type 23 [0–127]
0-1: Boost; 2: OD; 3-127: Boost
 0-based

Foot switches

Parameter CC Range Usage Orientation
Channel 1 bypass 102 [0–127]
0: Off; 1-127: On
 0-based
Channel 2 bypass 103 [0–127]
0: Off; 1-127: On
 0-based

Other

Parameter CC Range Usage Orientation
Expression 100 [0–127] — 0-based
Preset save 111 [1–122]
1~122: Save to preset slot
 0-based

Dip switches, left bank

Parameter CC Range Usage Orientation
Volume 1 61 [0–127]
0: Off; 1-127: On
 0-based
Volume 2 62 [0–127]
0: Off; 1-127: On
 0-based
Gain 1 63 [0–127]
0: Off; 1-127: On
 0-based
Gain 2 64 [0–127]
0: Off; 1-127: On
 0-based
Tone 1 65 [0–127]
0: Off; 1-127: On
 0-based
Tone 2 66 [0–127]
0: Off; 1-127: On
 0-based
Sweep 67 [0–127]
0: Off; 1-127: On
 0-based
Polarity 68 [0–127]
0: Off; 1-127: On
 0-based

Dip switches, right bank

Parameter CC Range Usage Orientation
Hi gain 1 71 [0–127]
0: Off; 1-127: On
 0-based
Hi gain 2 72 [0–127]
0: Off; 1-127: On
 0-based
Motobyp 1 73 [0–127]
0: Off; 1-127: On
 0-based
Motobyp 2 74 [0–127]
0: Off; 1-127: On
 0-based
Pres link 1 75 [0–127]
0: Off; 1-127: On
 0-based
Pres link 2 76 [0–127]
0: Off; 1-127: On
 0-based
Master 77 [0–127]
0: Off; 1-127: On
 0-based

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