Rocktron Taboo Twin - Manual (Page 28)

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HIGH GAIN Function
The HIGH GAIN function is accessible whenever the H I G AIN button is lit. The preamp stage in these presets is set up to
provide high gain levels for maximum sustain and distortion.
The P ARAMETER S ELECT control will allow you to access the following High Gain parameters:
Parameter Description
GAIN The GAIN parameter determines the gain value in the distortion stage.
VARIAC The VARIAC ADJUST parameter adjusts the level at which the preamp stage in the Taboo Twin
ADJUST begins to distort. A Variac is a voltage-attenuating device that plugs into an AC wall outlet and
adjusts the voltage level to any device which is plugged into it. For years, many guitarists have
plugged their amplifier heads into a Variac and reduced the voltage coming into the amplifier
from the AC wall outlet. This allows the amplifier tubes to reach saturation at a lower input level
and increases the gain produced. The VARIAC ADJUST parameter operates in a similar manner
as a conventional Variac - where lowering the parameter value lowers the level at which satura-
tion will take place.