Diagram of the front panel of the uCApps.de MIDIbox SID v2.0
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uCApps.de MIDIbox SID v2.0 MIDI CCs & NRPNs

MIDI implementation details for the uCApps.de MIDIbox SID v2.0.

Last update: February 3, 2026 • 225 parameters

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

Lead engine: Arp

Parameter CC Range Usage Orientation
Voice 1/2/3 arp speed 36 [0–63] — 0-based
Voice 1/2/3 arp gate length 37 [0–31] — 0-based

Lead engine: Envelopes

Parameter CC Range Usage Orientation
Envelope 1 depth 42 [0–127] — 0-based
Envelope 1 attack 1 43 [0–127] — 0-based
Envelope 1 decay 2 44 [0–127] — 0-based
Envelope 1 sustain 45 [0–127] — 0-based
Envelope 1 release 1 46 [0–127] — 0-based
Envelope 2 depth 47 [0–127] — 0-based
Envelope 2 attack 1 48 [0–127] — 0-based
Envelope 2 decay 2 49 [0–127] — 0-based
Envelope 2 sustain 50 [0–127] — 0-based
Envelope 2 release 1 51 [0–127] — 0-based

Lead engine: Filter

Parameter CC Range Usage Description Orientation
Filter cutoff frequency 4 [0–127] — — 0-based
Filter resonance 5 [0–127] — — 0-based
Filter channels 8 [0–15] —
Controlled by 4-bit bitmask.
Note: Bit 0: Filter for Voice 1 on/off. Bit 1: Filter for Voice 2 on/off. Bit 2: Filter for Voice 3 on/off. Bit 3: Filter for Audio In on/off.
0-based
Filter mode 9 [0–15] —
Controlled by 4-bit bitmask.
Note: Bit 0: LowPass on/off. Bit 1: BandPass on/off. Bit 2: HighPass on/off. Bit 3: Voice 3 off.
0-based

Lead engine: LFOs

Parameter CC Range Usage Orientation
LFO 1 depth 52 [0–127]
0~63: Negative depth amount; 64: Off; 65~127: Positive depth amount
 Centered
LFO 2 depth 53 [0–127]
0~63: Negative depth amount; 64: Off; 65~127: Positive depth amount
 Centered
LFO 3 depth 54 [0–127]
0~63: Negative depth amount; 64: Off; 65~127: Positive depth amount
 Centered
LFO 4 depth 55 [0–127]
0~63: Negative depth amount; 64: Off; 65~127: Positive depth amount
 Centered
LFO 5 depth 56 [0–127]
0~63: Negative depth amount; 64: Off; 65~127: Positive depth amount
 Centered
LFO 6 depth 57 [0–127]
0~63: Negative depth amount; 64: Off; 65~127: Positive depth amount
 Centered
LFO 1 rate 58 [0–127]
0: Off; 1~127: LFO rate
 0-based
LFO 2 rate 59 [0–127]
0: Off; 1~127: LFO rate
 0-based
LFO 3 rate 60 [0–127]
0: Off; 1~127: LFO rate
 0-based
LFO 4 rate 61 [0–127]
0: Off; 1~127: LFO rate
 0-based
LFO 5 rate 62 [0–127]
0: Off; 1~127: LFO rate
 0-based
LFO 6 rate 63 [0–127]
0: Off; 1~127: LFO rate
 0-based

Lead engine: Modulation

Parameter CC Range Usage Orientation
Mod 1 depth 90 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 0-based
Mod 2 depth 91 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 0-based
Mod 3 depth 92 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 0-based
Mod 4 depth 93 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 0-based
Mod 5 depth 94 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 0-based
Mod 6 depth 95 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 0-based
Mod 7 depth 96 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 0-based
Mod 8 depth 97 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 0-based

Lead engine: VCAs

Parameter CC Range Usage Orientation
Voice 1/2/3 VCA attack 72 [0–15] — 0-based
Voice 1 single VCA attack 73 [0–15] — 0-based
Voice 2 single VCA attack 74 [0–15] — 0-based
Voice 3 single VCA attack 75 [0–15] — 0-based
Voice 1/2/3 VCA decay 76 [0–15] — 0-based
Voice 1 single VCA decay 77 [0–15] — 0-based
Voice 2 single VCA decay 78 [0–15] — 0-based
Voice 3 single VCA decay 79 [0–15] — 0-based
Voice 1/2/3 VCA sustain 80 [0–15] — 0-based
Voice 1 VCA sustain 81 [0–15] — 0-based
Voice 2 VCA sustain 82 [0–15] — 0-based
Voice 3 VCA sustain 83 [0–15] — 0-based
Voice 1/2/3 VCA release 84 [0–15] — 0-based
Voice 1 single VCA release 85 [0–15] — 0-based
Voice 2 single VCA release 86 [0–15] — 0-based
Voice 3 single VCA release 87 [0–15] — 0-based

Lead engine: Voices

Parameter CC Range Usage Description Orientation
Oscillator phase offset 2 [0–127] — — Centered
Oscillator detune 3 [0–127] — — Centered
Voice 1/2/3 waveform 20 [0–127] —
Controlled by 7-bit bitmask.
Note: Bit 0: Triangle. Bit 1: Saw. Bit 2: Pulse. Bit 3: Noise (disables all other waveforms). Bit 4: Disable voice. Bit 5: Sync. Bit 6: Ring modulator.
0-based
Voice 1 waveform 21 [0–127] —
Controlled by 7-bit bitmask.
Note: Bit 0: Triangle. Bit 1: Saw. Bit 2: Pulse. Bit 3: Noise (disables all other waveforms). Bit 4: Disable voice. Bit 5: Sync. Bit 6: Ring modulator.
0-based
Voice 2 waveform 22 [0–127] —
Controlled by 7-bit bitmask.
Note: Bit 0: Triangle. Bit 1: Saw. Bit 2: Pulse. Bit 3: Noise (disables all other waveforms). Bit 4: Disable voice. Bit 5: Sync. Bit 6: Ring modulator.
0-based
Voice 3 waveform 23 [0–127] —
Controlled by 7-bit bitmask.
Note: Bit 0: Triangle. Bit 1: Saw. Bit 2: Pulse. Bit 3: Noise (disables all other waveforms). Bit 4: Disable voice. Bit 5: Sync. Bit 6: Ring modulator.
0-based
Voice 1/2/3 transpose 24 [0–127]
0~63: Negative transpose; 64: Off; 65~127: Positive transpose
 — 0-based
Voice 1 single transpose 25 [0–127]
0~63: Negative transpose; 64: Off; 65~127: Positive transpose
 — Centered
Voice 2 single transpose 26 [0–127]
0~63: Negative transpose; 64: Off; 65~127: Positive transpose
 — Centered
Voice 3 single transpose 27 [0–127]
0~63: Negative transpose; 64: Off; 65~127: Positive transpose
 — Centered
Voice 1/2/3 finetune 28 [0–127]
0~63: Negative fine tune; 64: Off; 65~127: Positive fine tune
 — Centered
Voice 1 single finetune 29 [0–127]
0~63: Negative fine tune; 64: Off; 65~127: Positive fine tune
 — Centered
Voice 2 single finetune 30 [0–127]
0~63: Negative fine tune; 64: Off; 65~127: Positive fine tune
 — Centered
Voice 3 single finetune 31 [0–127]
0~63: Negative fine tune; 64: Off; 65~127: Positive fine tune
 — Centered
Voice 1/2/3 portamento rate 32 [0–127]
0: Off; 1~127: Portamento rate
 — 0-based
Voice 1 portamento rate 33 [0–127]
0: Off; 1~127: Portamento rate
 — 0-based
Voice 2 portamento rate 34 [0–127]
0: Off; 1~127: Portamento rate
 — 0-based
Voice 3 portamento rate 35 [0–127]
0: Off; 1~127: Portamento rate
 — 0-based
Voice 1/2/3 pulsewidth 68 [0–127]
0~63: Negative; 64: Mid; 65-127: Positive
 — Centered
Voice 1 pulsewidth 69 [0–127]
0~63: Negative; 64: Mid; 65-127: Positive
 — Centered
Voice 2 pulsewidth 70 [0–127]
0~63: Negative; 64: Mid; 65-127: Positive
 — Centered
Voice 3 pulsewidth 71 [0–127]
0~63: Negative; 64: Mid; 65-127: Positive
 — Centered

Lead engine: Knobs

Parameter CC Range Usage Orientation
Knob #1 (assignable parameters) 1 [0–127] — 0-based
Knob #2 (assignable parameters) 16 [0–127] — 0-based
Knob #3 (assignable parameters) 17 [0–127] — 0-based
Knob #4 (assignable parameters) 18 [0–127] — 0-based
Knob #5 (assignable parameters) 19 [0–127] — 0-based

Lead engine: General

Parameter CC Range Usage Orientation
Bank change 0 [0–7]
0~7: Bank
 0-based
NRPN MSB value 6 [0–127] — 0-based
Volume 7 [0–127] — 0-based
NRPN LSB value 38 [0–127] — 0-based
Sustain on/off 64 [0–127]
0-63: Off; 64-127: On
 0-based
NRPN LSB 98 [0–127] — 0-based
NRPN MSB 99 [0–127] — 0-based
All notes off 123 [0–127]
0: Off; 1-127: Ignore
 0-based

Bassline engine: Drum model

Parameter CC Range Usage Orientation
Drum model, instrument 1 20 [0–127] — 0-based
Drum model, instrument 2 21 [0–127] — 0-based
Drum model, instrument 3 22 [0–127] — 0-based
Drum model, instrument 4 23 [0–127] — 0-based
Drum model, instrument 5 24 [0–127] — 0-based
Drum model, instrument 6 25 [0–127] — 0-based
Drum model, instrument 7 26 [0–127] — 0-based
Drum model, instrument 8 27 [0–127] — 0-based
Drum model, instrument 9 28 [0–127] — 0-based
Drum model, instrument 10 29 [0–127] — 0-based
Drum model, instrument 11 30 [0–127] — 0-based
Drum model, instrument 12 31 [0–127] — 0-based
Drum model, instrument 13 32 [0–127] — 0-based
Drum model, instrument 14 33 [0–127] — 0-based
Drum model, instrument 15 34 [0–127] — 0-based
Drum model, instrument 16 35 [0–127] — 0-based

Bassline engine: Filter

Parameter CC Range Usage Orientation
Filter cutoff frequency 4 [0–127] — 0-based
Filter resonance 5 [0–127] — 0-based
Filter cutoff frequency, left channel SID 8 [0–127] — 0-based
Filter cutoff frequency, right channel SID 9 [0–127] — 0-based

Bassline engine: Gate length

Parameter CC Range Usage Orientation
Gate length, instrument 1 56 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 2 57 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 3 58 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 4 59 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 5 60 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 6 61 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 7 62 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 8 63 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 9 64 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 10 65 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 11 66 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 12 67 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 13 68 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 14 69 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 15 70 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Gate length, instrument 16 71 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered

Bassline engine: Parameter 3

Parameter CC Range Usage Orientation
Parameter 3, instrument 1 104 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 2 105 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 3 106 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 4 107 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 5 108 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 6 109 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 7 110 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 8 111 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 9 112 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 10 113 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 11 114 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 12 115 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 13 116 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 14 117 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 15 118 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Parameter 3, instrument 16 119 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered

Bassline engine: Tuning

Parameter CC Range Usage Orientation
Tuning, instrument 1 40 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 2 41 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 3 42 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 4 43 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 5 44 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 6 45 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 7 46 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 8 47 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 9 48 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 10 49 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 11 50 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 12 51 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 13 52 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 14 53 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 15 54 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered
Tuning, instrument 16 55 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 Centered

Bassline engine: Wavetable speed

Parameter CC Range Usage Description Orientation
WT speed, instrument 1 72 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 2 73 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
Note: Listed as CC 72 in the official documentation; likely an incrementing error
Centered
WT speed, instrument 3 74 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 4 75 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 5 76 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 6 77 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 7 78 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 8 79 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 9 80 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 10 81 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 11 82 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 12 83 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 13 84 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 14 85 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 15 86 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered
WT speed, instrument 16 97 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered

Bassline engine: Knobs

Parameter CC Range Usage Orientation
Knob #1 (assignable parameters) 1 [0–127] — 0-based
Knob #2 (assignable parameters) 16 [0–127] — 0-based
Knob #3 (assignable parameters) 17 [0–127] — 0-based
Knob #4 (assignable parameters) 18 [0–127] — 0-based
Knob #5 (assignable parameters) 19 [0–127] — 0-based

Bassline engine: General

Parameter CC Range Usage Orientation
Bank change 0 [0–7]
0~7: Bank
 0-based
NRPN MSB value 6 [0–127] — 0-based
Volume 7 [0–127] — 0-based
NRPN LSB value 38 [0–127] — 0-based
NRPN LSB 98 [0–127] — 0-based
NRPN MSB 99 [0–127] — 0-based
All notes off 123 [0–127]
0: Off; 1-127: Ignore
 0-based

Multi engine: Envelopes

Parameter CC Range Usage Orientation
Envelope 1 pitch depth 40 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 Centered
Envelope 1 pulsewidth depth 41 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 Centered
Envelope 1 filter depth 42 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 Centered
Envelope 1 attack 1 43 [0–127] — 0-based
Envelope 1 decay 2 44 [0–127] — 0-based
Envelope 1 sustain 45 [0–127] — 0-based
Envelope 1 release 1 46 [0–127] — 0-based

Multi engine: Filter

Parameter CC Range Usage Orientation
Filter cutoff frequency 4 [0–127] — 0-based
Filter resonance 5 [0–127] — 0-based
Filter cutoff frequency, left channel SID 8 [0–127] — 0-based
Filter cutoff frequency, right channel SID 9 [0–127] — 0-based

Multi engine: LFOs

Parameter CC Range Usage Orientation
LFO 1 pitch depth 50 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 Centered
LFO 1 pulsewidth depth 51 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 Centered
LFO 1 filter depth 52 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 Centered
LFO 1 rate 53 [0–127]
0: Off; 1~127: LFO rate
 0-based
LFO 2 pitch depth 54 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 Centered
LFO 2 pulsewidth depth 55 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 Centered
LFO 2 filter depth 56 [0–127]
0~63: Inverted depth; 64: Off; 65-127: Depth
 Centered
LFO 2 rate 57 [0–127]
0: Off; 1~127: LFO rate
 0-based

Multi engine: VCA

Parameter CC Range Usage Orientation
VCA attack 72 [0–15] — 0-based
VCA decay 76 [0–15] — 0-based
VCA sustain 80 [0–15] — 0-based
VCA release 84 [0–15] — 0-based

Multi engine: Voice

Parameter CC Range Usage Description Orientation
Voice waveform 20 [0–127] —
Controlled by 7-bit bitmask.
Note: Bit 0: Triangle. Bit 1: Saw. Bit 2: Pulse. Bit 3: Noise (disables all other waveforms). Bit 4: Disable voice. Bit 5: Sync. Bit 6: Ring modulator.
0-based
Voice transpose 24 [0–127]
0~63: Negative; 64: Off; 65~127: Positive
 — Centered
Voice finetune 28 [0–127]
0~63: Negative; 64: Off; 65~127: Positive
 — Centered
Voice portamento rate 32 [0–127]
0: Off; 1~127: Portamento amount
 — 0-based
Voice arp speed 36 [0–63] — — 0-based
Voice arp gate length 37 [0–31] — — 0-based
Voice pulsewidth 68 [0–127]
0~63: Negative; 64: Mid; 65~127: Positive
 — Centered

Multi engine: Knobs

Parameter CC Range Usage Orientation
Knob #1 (assignable parameters) 1 [0–127] — 0-based
Knob #2 (assignable parameters) 16 [0–127] — 0-based
Knob #3 (assignable parameters) 17 [0–127] — 0-based
Knob #4 (assignable parameters) 18 [0–127] — 0-based
Knob #5 (assignable parameters) 19 [0–127] — 0-based

Multi engine: General

Parameter CC Range Usage Orientation
Bank change 0 [0–7]
0~7: Bank
 0-based
NRPN MSB value 6 [0–127] — 0-based
Volume 7 [0–127] — 0-based
NRPN LSB value 38 [0–127] — 0-based
NRPN LSB 98 [0–127] — 0-based
NRPN MSB 99 [0–127] — 0-based
All notes off 123 [0–127]
0: Off; 1-127: Ignore
 0-based

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