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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