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Sweep Hi Knob
Sets the highest frequency to be affected by the Mod Filter. The available
range is from 50 Hz to 4000 Hz.
Because the Sweep Hi frequency cannot be set lower than the Sweep Lo fre-
quency, if the Hi value is decreased below the Lo value the Lo value will de-
crease to match the Hi value.
Resonance (Res)
Sets the amount of filter intensity for the Mod Filter. A higher value will deliver
Knob
a sharper, more pronounced effect.
Adjusts the signal output level of the Mod Filter. This may be necessary if the
Output Knob
signal is dramatically boosted or reduced by the other settings within the mod-
ule. The range is from –20 dB to 40 dB.
Mod Type Menu
Determines the source of the filter modulation. There are three main Mod
Types: LFO, Envelope, and Wah Pedal. Each Mod Type is described below.
LFO Mode
Three LFO modes are available: Sine, Square, and Random. The only differ-
ence between the three LFO modes is the waveshape of the Low Frequency
Oscillator. Random LFO is chromatically tuned for maximum musicality.
When LFO mode is engaged, the filter cutoff frequency does not respond dy-
namically to changes in input signal level. Instead, the filter cutoff frequency
is varied according to the Rate knob setting.
Envelope Mode
When Envelope mode is engaged, the filter cutoff frequency responds dynam-
ically in realtime to variations in the input signal level. The amount of dynamic
response is determined by the Sensitivity (Sens) knob.
In Env Up mode, a higher signal level sets the filter cutoff to a higher value.
In Env Down mode, the envelope is inverted, and a higher signal level sets the
filter cutoff to a lower value.
Wah Mode
When the Wah mode is engaged, the filter cutoff frequency is varied accord-
ing to the Wah knob setting.
UAD Powered Plug-Ins Manual
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Chapter 38: Nigel
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