DigiTech RP150 - Rotary, Auto Ya, and Envelope Filter Effects; Rotary Speaker Effect; Auto Ya Effect; Envelope Filter Effect

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Rotary Speaker ()
Rotary Speaker is an emulation of a device that included a spinning horn and woofer. The rotation
of these two speakers produced an interesting combination of the sound panning from side to
side. This produced a slight pitch change due to the speed of the sound coming towards, and then
going away from the listener.
Speed- Knob 2 adjusts the rate (Speed) of the spinning speakers. Ranges from  to .
Intensity - Knob 3 controls the intensity of the effect. Ranges from  to .
Doppler - Knob 4 controls the Pitch Shift effect that is the ratio between the horn and the
rotor positions. Ranges from  to .
Crossover (X-Edit
TM
only)- Selects the crossover frequency between the horn and rotor.
Ranges from  (200 Hz) to  (1600 Hz).
AutoYa™ ()
An AutoYa combines the characteristics of a Wah and a Flanger together creating an almost human
vowel characteristic as if the guitar were saying “Yah.” The AutoYa™ automatically provides this
animation to the sound at an even rate.
Speed - Knob 2 adjusts the speed of the AutoYa sweep. Ranges from  to .
Intensity - Knob 3 adjusts the intensity of the AutoYa effect. Ranges from  to .
Range - Knob 4 adjusts the throaty quality of the AutoYa effect. Ranges from  to .
Envelope Filter ()
The Envelope Filter is a dynamic Wah effect that alters your sound based upon how hard you play.
Sensitivity - Knob 2 adjusts the sensitivity or the input signal required to trigger the Wah
effect. Ranges from  to .