The Cut-off knob controls the point at which attenuation begins. Frequencies above the cut-off point are
attenuated at 24dB/oct.
Resonance is used to accentuate frequencies around the cut-off point, as the resonances increase the filter will
begin to ring and will self oscillate at high resonate settings producing a sine wave (the frequency of which is
controlled by the cut-off knob).
The mod knob introduces either triangle, square (from the VCFLO) or no modulation to the VCF’s cut-off point.
The envelope knob alters the cut-off point according to the set up of the envelope generator allowing automated
shaping of the filter negatively and positively.
VCF PATCH POINTS
This is the main control voltage input for the VCF and has characteristics of one volt per octave. This should be
used as your main control input from a keyboard/ controller.
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