25
Creating “Custom” Wah Effects (Customize Mode)
The Relationship Between the Wah Input Impedance and the Tone
Pedals known as “vintage” wah pedals have
a low impedance; this attenuates a guitar's
high-frequency component when a guitar is
connected to the pedal. However, this high-
end attenuation occurs in conjunction with
the wah’s filter tone, the result being a pleas-
ant-sounding effect. Rather than using a low-
er impedance, the PW-10 models the effect
that this low impedance has on the tone.
Presence controls this effect. Turning the
knob completely to the right results in no at-
tenuation of the high frequencies, while the
high-frequency components become more
attenuated as the knob is turned further to
the left.
Setting the knob at the center position results
in the tone produced when connecting gui-
tars equipped with single-coil pickups, while
setting the knob to the ten-o'clock position
produces the degree of attenuation you get
when connecting guitars with humbucking
pickups.
fig.11a
Single-coil
Humbucking
Summary of Contents for V-Wah PW-10
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