64
The Editor View
Figure 40: Frequency response of a notch filter.
The amplifier section of this module is switched
on
or
off
by clicking on the LED located in
the top right corner of the section labelled
Amp
on the left of the module. The
Channel
LED allows
one to switch between the two channels of the amplifier. Channel one offers clean to semi-dirty
sound while channel two is well-suited when strong distortion is required. The
Drive
knob is used
to adjust the amount of distortion in the sound. The sound becomes more and more distorted as the
knob is turned clockwise. The
Mid
knob is used to set the amount of mid-range frequencies in the
sound. In its middle position, the sound is not modified, mids are cut or boosted by up to
±
12 dB
by turning this knob to the left or right. The
Level
knob is a gain knob which is used to adjust the
overall volume of the amplifier. Note that the effect of this control on the frequency response of
the amplifier is different for each channel.
The
Low
and
High
parameters are used to boost or cut low and high frequencies respectively
by up to
pm
18dB by turning the knob from its center position. These controls have a similar
behavior for both channels. Additional control on the frequency response is obtained by using the
Bite
control which is switched
on
or
off
by clicking on the
Bite
LED just before to the channel
selector. This parameter boosts high frequencies while cutting some low frequencies for a brighter
sound.
The low-cut (or high-pass) filter is used to remove from the output sound of the instrument
frequency components below the cut-off frequency. The cut-off frequency of the filter is increased
by turning the knob clockwise. when this knob is in its leftmost position, the filter has no effect on
the sound.
Содержание ULTRA ANALOG VA-3
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