Specifications
49 
Program Parameter Data 
The following table lists Mopho x4’s voice parameters. The parameter number 
in the program and edit buffer dumps are different than the NRPN numbers as 
seen; this was to maintain NRPN compatibility with the Prophet ’08 as much as 
possible. 
Param 
NRPN 
Range 
Description 
0 
0 
0 - 120 
Oscillator 1 Frequency, 0 - 120 in semitones (10 
octave range) 
1 
1 
0 - 100 
Oscillator 1 Fine Tune; 0 = -50 cents, 50 = 0 
(centered), 100 = + 50 cents 
2 
2 
0-103 
Oscillator 1 Shape 
0  Oscillator Off 
1  Sawtooth 
2  Triangle 
3  Sawtooth/triangle mix 
4 - 103 Pulse Wave, Pulse width 0 - 99 
3 
3 
0 - 127 
Oscillator 1 Glide 
4 
4 
0 - 1 
Oscillator 1 Keyboard Off/On 
5 
114 
0 - 127 
Sub Oscillator 1 Level 
6 
5 
0 - 120 
Oscillator 2 Frequency, 0 - 120 in semitones (10 
octave range) 
7 
6 
0 - 100 
Oscillator 2 Fine Tune; 0 = -50 cents, 50 = 0 
(centered), 100 = + 50 cents 
8 
7 
0 - 103 
Oscillator 2 Shape 
0Oscillator Off 
1 Sawtooth 
2 Triangle 
3 Sawtooth/triangle mix 
4 - 103 Pulse Wave, Pulse width 0 - 99 
9 
8 
0 - 127 
Oscillator 2 Glide 
10 
9 
0 - 1 
Oscillator 2 Keyboard Off/On 
11 
115 
0 - 127 
Sub Oscillator 2 Level 
12 
10 
0 - 1 
Sync off/on 
13 
11 
0 - 3 
Glide Mode: 
0 fixed rate 
1  fixed rate auto 
2  fixed time 
3  fixed time auto 
14 
12 
0 - 5 
Oscillator Slop  
15 
93 
0 - 12 
Pitch Bend Range 
16 
13 
0 - 127 
Oscillator 1 - 2 Mix 
17 
14 
0 - 127 
Noise Level 
18 
116 
0 - 127 
Feedback Amount 
19 
110 
0 - 127 
Feedback Gain 
20 
15 
0 - 164 
Filter Frequency, steps in semitones 
21 
16 
0 - 127 
Resonance 










