003 & 003 Rack Getting Started Guide64
Phantom Power
Some microphones require power to operate.
This power, called phantom power, is supplied ei-
ther by a battery in the microphone, or through
an audio interface (such as 003 and 003 Rack)
that can supply power through the microphone
cable.
Most condenser microphones (such as an AKG
C3000) require phantom power to operate. Dy-
namic microphones (such as a Shure SM57) do
not require phantom power to operate, but are
not harmed by it.
003 and 003 Rack can only supply power
through a microphone cable with XLR connec-
tors.
If you are not sure about the phantom power re-
quirements for your microphone, see your mi-
crophone’s documentation or contact the man-
ufacturer.
Using a Mic that Has an XLR
Connector
To use a microphone that has an XLR connector:
1 On the back of the 003 or 003 Rack, plug your
microphone cable into one of the Mic inputs.
The inputs are numbered left to right, so Mic In-
put 1 is the leftmost input.
2 Press the Mic/DI switch (located on the top
panel of the 003, and on the front panel of the
003 Rack) for the corresponding input so that it
is in the Mic (unlit) position.
3 If your microphone requires phantom power,
make sure the microphone is connected, then
press the Phantom Power switch (labeled 48V)
on the back of the 003 or 003 Rack for the corre-
sponding input pair.
Although phantom power can be used
safely with most microphones, ribbon mi-
crophones can be damaged by it. Always
turn off phantom power and wait at least
30 seconds before connecting a ribbon mi-
crophone.
XLR cable plugged into Mic Input 1
Mic/DI switches (located on the top panel of 003, and
front panel of 003 Rack)
Mic Input 1
Input 1–4 Gain controls
Mic/DI and HPF switches for Inputs 1–4
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