3rd Power AMERICAN DREAM MKII 사용자 설명서 - 페이지 10

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Back Panel:

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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