Art Project Series User Manual page 22

Instrument DI
The USB Pre IV will work well as a very functional DI for Bass,
Acoustic Guitar and virtually any other instrument with a ¼-inch
or XLR output. Many people prefer the sound of ART preamps
for responsiveness instead of standard DI's and preamps. You
will also enjoy more flexibility and control over a standard DI.
Operation is simple; insert the output of the instrument into the
input of the USB Pre IV. Make sure the volume on the bass or
guitar is up most of the way. If you are using any effects, make
sure that the overall output is not greatly increased when the ef-
fect is on. Adjust the input gain knob and refer to the LEDs on
the front for a visual measure of input gain. Then route the output
to a mixer, workstation or computer via the 1/4-inch, or USB out-
put. The overall output can be adjusted at the unit. Both analog
outputs and the USB port may be used at the same time so
the1/4-inch can be routed to an amplifier or monitor system and
the USB to a computer. Using the built-in monitor mixer for mon-
itoring during the record process gives you the most flexibility.
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