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UAD Powered Plug-Ins Manual - 191 - Nigel

Knob Values Are

Offsets

Knob settings do not change to new values when an amp type is selected. This

is because knob values are not absolute. Instead, they are an offset to the fac-

tory programmed amp type value. For example, if Post-Lo EQ displays a value

of 3.0, then 3dB is added to the amp type internal (preset) value. Of course,

knob settings do change when user settings are loaded.

Amp Types and

Morph

The Amp submodule within Preflex is actually comprised of two independent

amplifier processors, Amp-A and Amp-B. The amp types to be used are se-

lected with the Amp Type pull-down menus. The two amp types share the amp

controls.

These two amp types can then be ‘morphed’ to smoothly transform one amp

type into another, creating new sounds never before possible. Morph accom-

plishes this task by interpolating between amplifier component values of the A

and B Amp types as the slider is moved. Morph is NOT a blend or crossfade

control.

Morph allows you to continuously shift between two completely different amp

sounds in realtime with full automation. And because the Color and Bent

knobs also control multiple parameters simultaneously (which is essentially a

morph), amazing new dynamically shifting timbres can be realized.

Amp Controls

Amp EQ Groups Preflex has two groups of Lo, Mid, and Hi equalizer controls. Pre-EQ is before

the amplifier, and Post-EQ is after the amplifier. Both sets of EQ are available

simultaneously.

The actual frequency and bandwidth of a particular EQ knob depends on the

amp type setting. The EQ knob values are offsets relative to the preset amp

type value; they do not display absolute values.

Amp Pre-EQ

Knobs

The Pre-EQ group modifies the tone of the signal before it passes into the

Amp. Note that the EQ knob values are offsets relative to the preset amp type

value; they do not display absolute values.

Pre-EQ Lo Knob

Modifies the low frequency response of the signal before the Amp. This con-

trol is a set to a fixed frequency, but the frequency changes with the amp type.