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KDFX Reference
KDFX Algorithm Specifications
Page 4
In/Out When set to ÒInÓ, the algorithm is active; when set to ÒOffÓ the algorithm is bypassed. For
the entire algorithm to be active, KB3 FXBus must also be active with its Roto InOut
parameter set to ÒInÓ. To completely bypass the rotary, one or both of the In/Out or Roto
InOut parameters in KB3 FXBus must also be bypassed.
Out Gain The overall gain or amplitude at the output of the effect.
Lo Gain The gain or amplitude of the signal passing through the rotating woofer (low frequency
driver. The control is also available in KB3 FXBus.
Lo Rate The rotation rate of the rotating woofer (low frequency driver). The woofer can rotate
clockwise or counter-clockwise. The direction of rotation depends on the sign of the rate
parameter. Assuming microphone angles are set toward the front (between -90¡ and 90¡)
and microphones at positive angles are panned to the right (positive pan values), then
positive rates correspond to clockwise rotation when viewed from the top.
Lo Size The effective size (radius of rotation) of the rotating woofer in millimeters. Affects the
amount of Doppler shift or vibrato of the low frequency signal.
Lo Trem Controls the depth of tremolo of the low frequency signal. Expressed as a percentage of
full scale tremolo.
Lo Beam W The rotating speaker effect attempts to model a rotating woofer for the low frequency
driver. The acoustic radiation pattern of a woofer tends to range from omnidirectional
(radiates in directions in equal amounts) to a wide beam. You may adjust the beam width
from 45¡ to 360¡. If you imagine looking down on the rotating speaker, the beam angle is
the angle between the -6 dB levels of the beam. At 360¡, the woofer is omnidirectional.
Hi Gain The gain or amplitude of the signal passing through the rotating tweeter (high frequency
driver. The control is also available in KB3 FXBus.
Hi Rate The rotation rate of the rotating tweeter (high frequency driver). The tweeter can rotate
clockwise or counter-clockwise. The direction of rotation depends on the sign of the rate
parameter. Assuming microphone angles are set toward the front (between -90¡ and 90¡)
and microphones at positive angles are panned to the right (positive pan values), then
positive rates correspond to clockwise rotation when viewed from the top.
Hi Size The effective size (radius of rotation) of the rotating tweeter in millimeters. Affects the
amount of Doppler shift or vibrato of the high frequency signal.
Hi Trem Controls the depth of tremolo of the high frequency signal. Expressed as a percentage of
full scale tremolo.
Hi Beam W The rotating speaker effect attempts to model a rotating horn for the high frequency
driver. The acoustic radiation pattern of a horn tends to be a narrow beam. You may adjust
the beam width from 45¡ to 360¡. If you imagine looking down on the rotating speaker, the
beam angle is the angle between the -6 dB levels of the beam. At 360¡, the horn is
omnidirectional (radiates in all directions equally).
LoResonate 0 to 100% HiResonate 0 to 100%
Lo Res Dly 10 to 2550 samp Hi Res Dly 10 to 2550 samp
LoResXcurs 0 to 510 samp HiResXcurs 0 to 510 samp
ResH/LPhs 0.0 to 360.0 deg