ART Pro Audio DPS - DI/O Preamp System - Manual (Page 7)

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We wanted to take the guessing out of the equation – and that is how
we developed V3™. It’s simple, easy and it works really well.
For example, if you are recording an acoustic guitar, V3™ has a preset
that has been optimized for that instrument. Once the preset is chosen,
the user can even fine tune the signal – which shows the true power of
V3™ technology…it’s tweakable. V3™ even features a multi setting,
which is useful for a wide variety of applications – like overhead
micing, broadcast and field recording.
This means that it is now quicker and easier than ever to make great
recordings! Musicians want to play, not spend hours adjusting knobs.
No other microphone preamp is as user-friendly as the DPS

.
VU METER
The VU Meter gives an analog representation of the DPS

tube signal
level. Besides showing the average analog level, it is sensitive to
attack transients. When not using OPL

, the VU Meter is a great
indicator of how hard you are running the tube. It also helps in setting a
consistent level as you change mics and instrument sources.
The VU Meter also reflects the impact of the OPL

circuitry on the
signal. For example, if the signal is “in the red” on the meter, the meter
will reflect the attenuation of the signal when the OPL

is activated,
and the signal is brought out of the “red”.
OUTPUT CONTROL
The Output Control sets the output level of the DPS

. When the
control is fully counterclockwise, there is no output. Turning the control
clockwise increases the level of the output signal. When setting the
Output level control, refer to the VU Meter for an accurate level leaving
the preamp.