Mesa/Boogie V-TWIN Owner's Manual download pdf (Page 6)

TO POWER AMP:

This jack provides a hotter signal level and a slightly different E.Q. curve for

interfacing with the FX Return stage of any amplifier, or

simply to use V-TWIN as a stand alone pre-amp with an

existing power amplifier. (We suggest an all tube power

amp...e.g. MESA'S Stereo Simul-Class 2 : Ninety or

Fifty / Fifty.)

The level here should be more than enough to drive even

much less sensitive Non-MESA amplifiers.

JACK

LOCATED ON

BACK PANEL

OF V-TWIN

TO POWER

AMP

MIXER / HEADPHONES:

TO MIXER /

HEADPHONES

JACK

LOCATED ON

BACK PANEL

This 1/4" output and its accompanying switch ( located on the side panel )

support V-TWIN's recording circuit. This circuit is voiced to re-create the

sounds you're accustomed to hearing from the "To Guitar Amp" and "To

Power Amp" outputs. With the Record circuit mode switch

set to "MIXER," the output level is optimized for console

input stages (with all controls set at 12' o clock = +10 db.)

This should be more than adequate for most all direct

applications, allowing adjustment in either direction. Use

the Master control to vary the level at this output.

MIXER

CH3

CH4

CH5

CH6

CH7

CH8

When the rocker switch is set to "Headphones," the output level remains constant, but the tip is connected

to ring internally on the jack making stereo phoning possible. Use the Master to adjust the listening level.

Keep in mind the type and quality of headphones greatly affect the performance of this circuit, with the fully

enclosed, studio quality type producing the best results.

V-TWIN can be controlled by an external switching source to select between

two of the three modes. This can be most any tip to ground type switch logic. This feature makes possible

the inclusion of V-TWIN into programmable rigs or multiple pre-amp rigs where the units within are

controlled by a programmable switcher.

NOTE: V-TWIN must remain in the power-up switch logic to be controlled via this jack. In other

words...every time you get ready to use the unit in an External Select situation, remove the A.C. adaptor and

plug it back in without choosing any modes...Leave it alone. This procedure clears the switching logic

leaving the circuit in the receive-ready state and awaiting commands from the external switching device.

EXTERNAL SELECT:

The Bypass function may also be triggered by an external switching device.

This logic is controlled via a standard tip to ground type switch. This jack performs the same function as the

footswitch located on the face of the unit. It is wise to use the same power-up procedure as when using the

External Select to clear the switching logic.

EXTERNAL BYPASS:

PAGE 3

When the Bypass Footswitch is selected (and

the LED goes out,) all sound is muted at this output.

NOTE:

CONTROL JACKS:

STEREO SIMUL CLASS 2 : NINETY

LEVEL A LEVEL B

MESA

1 2 3 4 5 6 7 8 9 10

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Mesa/Boogie V-TWIN Owner's Manual Page 6

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