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KDFX Reference
KDFX Algorithm Specifications
Page 4
Wet/Dry This is a simple mix of the distorted signal relative to the dry undistorted input signal.
Out Gain The overall gain or amplitude at the output of the effect. For distortion, it is often
necessary to turn the output gain down as the distortion drive is turned up.
Dist Drive Applies gain to the input prior to distortion. It is the basic Òdistortion driveÓ control.
Anything over 0 dB could clip. Normally clipping would be bad, but the distortion
algorithm tends to smooth things out. Still, considering that for some settings of the other
parameters you would have to back off the gain to -48 dB in order to get a not very
distorted sound for full scale input, you should go easy on this amount.
Curve n The curvature of the individual distortion stages. 0% is no curvature (no distortion at all).
At 100%, the curve bends over smoothly and becomes perfectly ßat right before it goes
into clipping.
LP n Freq These are the one pole low pass controls. LP0 Freq handles the initial low pass prior to the
Þrst distortion stage. The other low pass controls follow their respective distortion stages.
With all low passes out of the circuit (set to the highest frequency), the sound tends to be
too bright and raspy. With less distortion drive, less Þltering is needed. If you turn off a
distortion stage (set to 0%), you should turn of the low pass Þlter by setting it to the
highest frequency.
Bass Gain The amount of boost or cut that the bass shelving Þlter should apply to the low frequency
signals in dB. Every increase of 6 dB approximately doubles the amplitude of the signal.
Positive values boost the bass signal below the speciÞed frequency. Negative values cut
the bass signal below the speciÞed frequency.
Bass Freq The center frequency of the bass shelving Þlter in intervals of one semitone.
Treb Gain The amount of boost or cut that the treble shelving Þlter should apply to the high
frequency signals in dB. Every increase of 6 dB approximately doubles the amplitude of
the signal. Positive values boost the treble signal above the speciÞed frequency. Negative
values cut the treble signal above the speciÞed frequency.
Treb Freq The center frequency of the treble shelving Þlter in intervals of one semitone.
Mid Gain The amount of boost or cut that the mid parametric Þlter should apply in dB. Every
increase of 6 dB approximately doubles the amplitude of the signal. Positive values boost
the signal at the speciÞed frequency. Negative values cut the signal at the speciÞed
frequency.
Mid Freq The center frequency of the mid parametric Þlter in intervals of one semitone. The boost or
cut will be at a maximum at this frequency.
Mid Wid The bandwidth of the mid parametric Þlter may be adjusted. You specify the bandwidth
in octaves. Small values result in a very narrow Þlter response. Large values result in a
very broad response.
Bass Gain -79.0 to 24.0 dB Treb Gain -79.0 to 24.0 dB
Bass Freq 16 to 25088 Hz Treb Freq 16 to 25088 Hz
Mid1 Gain -79.0 to 24.0 dB Mid2 Gain -79.0 to 24.0 dB
Mid1 Freq 16 to 25088 Hz Mid2 Freq 16 to 25088 Hz
Mid1 Width 0.010 to 5.000 oct Mid2 Width 0.010 to 5.000 oct
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