3rd Power AMERICAN DREAM MKII Посібник користувача - Сторінка 10
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Back Panel:
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Foot-Switch (TRS) Jack (22)
The FOOT-SWITCH (TRS) jack of the American Dream MKII allows you to remotely control the on-
board Vari-bias tube tremolo effect. Parameters controlled include: Tremolo ON/OFF, and the selec-
tion of tremolo Speed 1 or Speed 2.
Special Note on Vari-bias Tremolo
Vari-bias tremolo is a special effect that appeared in various lower-powered vintage tube amplifiers.
The circuitry utilizes a vacuum tube to create a pulsating oscillation that has a very musical or
rhythmic beat to it. This oscillating signal is then fed to the cathode circuitry of a separate tube
stage. This interaction effectively turns the functionality of this tube on and off. What we hear and
feel is the effect of our sound pulsing on and off in a very organic, or rich manner.
Unique Implementation of the Tremolo Effect
The variable bias tremolo effect is often associated with controls that adjust the intensity, speed and
even the on/off status of the effect. While it is fairly common to see stomp-box tremolo pedals with
two speeds, we believe the American Dream MKII marks the first vacuum tube amplifier to imple-
ment two separate, foot-switchable speed controls for an unmatched level of tone and versatility.
We hope you enjoy our modern implementation of this rich vacuum tube effect.
OPERATION NOTES:
• When operating the Vari-bias Tremolo effect with the remote foot-switch, start by placing the
Intensity knob at roughly "2 o'clock" (or 70% rotation). In our experience, this is the sweet-spot
for the best balance between effect ON and effect OFF performance.
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