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17
The MIXER Section
You have already come across two parameters of the MIXER section: OSC BAL determines the mix ratio
between Oscillators 1 and 2; in the left half of its control range, OSC VOL determines the master
volume of the oscillator mix. In the right half of the control range from the center position to the far
right, OSC VOL increases the saturation intensity when a SATURATION curve has been activated.
between Oscillators 1 and 2; in the left half of its control range, OSC VOL determines the master
volume of the oscillator mix. In the right half of the control range from the center position to the far
right, OSC VOL increases the saturation intensity when a SATURATION curve has been activated.
Now we’ll take a closer look at the final control element, the SUB OSC pot: It controls the volume of
the third oscillator, the so-called SubOscillator, which always operates an octave below Oscillator 1. The
SubOscillator is mixed to the Oscillator 1 and 2 master mix signal as determined by the OSC BAL pot.
The master volume of the composite mix is controlled by the OSC VOL pot. The only other parameter
available for the SubOscillator is accessible via the EDIT menu where you have the option of selecting a
triangle or pulse waveshape (SUB OSCILLATOR WAVE SQUARE/TRIANGLE).
the third oscillator, the so-called SubOscillator, which always operates an octave below Oscillator 1. The
SubOscillator is mixed to the Oscillator 1 and 2 master mix signal as determined by the OSC BAL pot.
The master volume of the composite mix is controlled by the OSC VOL pot. The only other parameter
available for the SubOscillator is accessible via the EDIT menu where you have the option of selecting a
triangle or pulse waveshape (SUB OSCILLATOR WAVE SQUARE/TRIANGLE).
The final voice-internal signal source of the Virus has no visible control features on the control panel: the
Noise Generator. It has no dedicated sound parameters, only the option of determining its volume
(NOISE VOLUME in the EDIT menu). Please keep in mind that the level of the Noise Generator is not
subject to the master volume controlled by the OSC VOL pot. In other words, it is audible even when
OSC VOL is set to 0.
Noise Generator. It has no dedicated sound parameters, only the option of determining its volume
(NOISE VOLUME in the EDIT menu). Please keep in mind that the level of the Noise Generator is not
subject to the master volume controlled by the OSC VOL pot. In other words, it is audible even when
OSC VOL is set to 0.
Now we can go on and solve the mysteries of the signal flow as determined by the FILTER ROUTING
operating mode SPLIT: Here Oscillator 1 and the SubOscillator are routed to Filter 1, whereas
Oscillator 2 and the Noise Generator are routed to Filter 2. Although the sound sources are split into two
signal paths, you can still control the volume levels of the different elements as well as OSC VOL in the
usual manner.
operating mode SPLIT: Here Oscillator 1 and the SubOscillator are routed to Filter 1, whereas
Oscillator 2 and the Noise Generator are routed to Filter 2. Although the sound sources are split into two
signal paths, you can still control the volume levels of the different elements as well as OSC VOL in the
usual manner.