User manual

Table Of Contents
Wah-Wah
The Wah-Wah effect is created by dynamically “brushing” through the frequency spectrum of the dry signal
utilizing a specific audio filter. Instead of the classic pedal control, the G9 uses the Velocity of the stroke to control
the movement of the filter along the frequency spectrum.
Parameters
Range
Unit
Dry/Wet
Description
Filter Type
Low Pass,
Band Pass
Choose between a High Cut (Low Pass) or a Band Pass
Bell filter.
Underlying constants:
Transition steepness: 12 dB (Low Pass)
Frequency
100Hz - 8kHz
Hz
Depending on the chosen Filter Type, this parameter
sets the center frequencies of Low Pass or Band Pass
for the stroke velocity value of 0 (starting point).
Resonance
1-127
Corresponds to the “Q” factor in Equalization. This
parameter controls the width of the bell filter shape
(Band Pass) and in case of choosing the Low pass
option, Resonance will control the bell shape of the
overshooting” at the filter Frequency. Set the width of
the bell filter shape from 0 (no resonance, wide) in the
lowest slider position up to 127 (max resonance,
narrow) in the highest slider position.
Sensitivity
0-100
%
Sensitivity defines to what extend the dynamics of a
stroke on a pad (velocity) is allowed to drive the
movement of the specified filter along the possible
frequency spectrum. The filter is defined by the pa-
rameters Filter Type, Start Frequency and Resonance.
Technically, Sensitivity works as a multiplier (attenua-
tor) for the effect intensity at a specific stroke velocity
level.
Example: With Sensitivity set to 50%, a stroke on a pad
with maximum velocity of 127 will cause the filter to
move only halfway along the possible frequency
range in the specified Direction, whereas the same
stroke velocity with Sensitivity of 100% would exhaust
the full frequency spectrum possible.
Values range from 0 (off) up to 127 (100%).
Direction
Up, Down
Set the direction of movement for the Filter Type
starting at Frequency.
Decay
(-10) ms (+5)
s
s
Decay determines how fast the envelope follower,
which controls the filter activity or attenuation, returns
to its starting position after having tracked the maxi-
mally allowed movement defined by stroke Velocity
and Sensitivity. Aside from the filter movement, you
can additionally control the presence of the filter
effect in the mix by adjusting the decay rate of the
envelope follower. Values range from -10 ms (fast) up
to 5 seconds (slow) with a nonlinear progression of
decay time while moving the slider.