10.6

Table Of Contents
642Logic Pro Instruments
Logic Pro Vintage B3 Wah effect controls
The name wahwah comes from the sound it produces. It has been a popular effect with
electric guitarists since the days of Jimi Hendrix. The pedal controls the cutoff frequency
of a bandpass, lowpass, or—less commonly—highpass filter. The wahpedal is also used
extensively with the Hammond organ.
For the most dynamic and musical performance of the Waheffect, consider attaching an
expression pedal to your MIDI master keyboard. Your master keyboard should transmit
MIDI control change #11, which would normally be used to control Vintage B3 volume while
playing.
Vintage B3 Wah parameters
Wah On/Off switch: Turn on or bypass the Wah effect.
Sweep MIDI Ctrl pop-up menu: Assign a MIDI controller to the Wah effect.
Type pop-up menu: Choose one of several Wah effect types.
Classic Wah: This setting mimics the sound of a popular wahpedal with a slight peak
characteristic.
Retro Wah: This setting mimics the sound of a popular vintage wah pedal.
Modern Wah: This setting mimics the sound of a distortion wahpedal with a constant
Q(uality) Factor setting. The Qdetermines the resonant characteristics. LowQ
values affect a wider frequency range, resulting in softer resonances. HighQ values
affect a narrower frequency range, resulting in more pronounced emphasis.
Opto Wah 1: This setting mimics the sound of a distortion wahpedal with a constant
Q(uality) Factor setting.
Opto Wah 2: This setting mimics the sound of a distortion wahpedal with a constant
Q(uality) Factor setting.
Resonant LP: In this mode, the Wah works as a resonance-capable lowpass filter. At
the minimum pedal position, only low frequencies can pass.
Resonant HP: In this mode, theWah works as a resonance-capable highpass filter. At
the maximum pedal position, only high frequencies can pass.
Peak: In this mode, the Wah works as a peak (bell) filter. Frequencies close to the
cutoff frequency are emphasized.
Range knob and field: Determine the sensitivity of the Wah effect to incoming MIDI
controller data.
Bite knob and field: Boost the levels of signals surrounding the cutoff frequency. Bite is
effectively a filter resonance parameter, where high values make the Wah effect sound
more aggressive.