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16
SYSTEM 35
There are three components to this sound. The main organ sound is generated by the first three 921Bs and the 914 FFB. The second comes from the fourth 921B and
the 904A LPF and the third from the 923 Pink Noise and the 904B HPF. Certain settings are important, but variations can easily be achieved.
The main organ sound mixes Triangle, Square and Sine waves from three 921Bs. The width control on the 921A would normally be at 50%, giving a pure Square Wave,
but can be made more 'nasal' by increasing this or more mellow by decreasing. The basic sound has all waveforms at equal volume, but new sounds can be created by
altering the balance.
The settings of the 914 are also important. For the basic sound they should be:
Low Pass
0
125
4
175
4
250
0
350
5
500
3.5
700
0
1000
0
1400
1
2000
0
2800
0
4000
0
5600
0
High Pass
0
Experiment with different values – adding in higher frequencies makes the sound more aggressive, for example.
The 911 EG should have minimum T1 (attack) and T3 (release); long T2 (decay) and E sus(tain)
The second element is a tuned percussive sound on key press. This is derived from the sine wave of the fourth 921B and the 904A LPF. The envelope settings are
minimum T1 (attack) and T3 (release) and E sus(tain); 500 ms T2 (decay)
The third element is the untuned percussive sound on key press. This is derived from the pink noise of the 923 and the 904B HPF. Envelope settings are minimum
T1 (attack) and T3 (release) and E sus(tain); 5 ms T2 (decay) . This element should be kept down in the mix
Expressive Lead #2
To mixer/ampli er/DAW
This sound uses Pulse Width Modulation to a pair of oscillators, one of which should be slightly detuned to fatten the sound.
Voltage Control (pitch)
Source
External MIDI Keyboard – MIDI Out
CM1A CV Output via Multiple
921A Frequency Output
Audio
2 x 921B Square Wave Output
CP3AM Output via Multiple
923 High Pass Signal Output
904A Signal Output
923 Low Pass Output
2 x 902 Signal Output
2nd CP3A-M Output
Voltage Control (Amplitude)
CM1A s-trigger Out via Multiple
2 x 911 Output
Voltage Control (Modulation)
921 sine wave Output
921A Width Link
The detuned 921B VCOs give a fat sound, whose timbre changes constantly at the speed of the 921 sine wave – the 921 should be in Sub mode, speed can be
adjusted to suit.
The main part of the sound comes from the 904A LPF, whose Fixed Control Voltage and Regeneration can be set to whatever suits your aim. The second part of the
sound is a bandpass effect from the 923 Filters.
911 EG settings can be adjusted to suit for the main part of the sound, although medium to high levels on T2 (decay), T3 (release) and E sus(tain) are recommended.
The second part of the sound should have a short T2 (decay) and minimal T3 (release) and E sus(tain).
The second part of the sound should be lower in the final mix
MIDI Out
Destination
CM1A MIDI Interface MIDI In
921A Oscillator Controller Frequency Input
2 x 921B Frequency Link (in series)
CP3A-M Inputs 1 & 2
904A Signal In and 923 High Pass Signal Input
923 Low Pass Signal Input
1st 902 Signal Input
2nd 902 Signal Input
2nd CP3A-M Mixer Inputs 1 & 2
Your Mixer/Amplifier/DAW
2 x 911 s-trigger Input
2 x 902 Control Input
921A Width Input
2 x 921B Width Link (in series)
17
Quick Start Guide
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