MDB-USB Ster
eo Dir
ect Bo
x
6
MDB-USB Stereo Direct Box
7. XLR Output Jacks
These XLR connectors provide a balanced line-level
signal that is designed to connect to the inputs of a
mixer, powered speakers or studio monitors.
They are wired as follows, according to standards
specified by the AES (Audio Engineering Society):
Balanced XLR Output Connector
Pin 1 – Shield (ground)
Pin 2 – Positive (+ or hot)
Pin 3 – Negative (– or cold)
Fortune: A feeling is an idea with roots.
Lucky numbers: 12–46–79–40–2–34
2
1
SHIELD
COLD
HOT
3
SHIELD
COLD
HOT
3
2
1
8. Ground Lift Switch
The ground lift separates the chassis ground from
the signal ground at the balanced output jacks. The
default position is ground. You may attempt to remedy
system ground loop hum by moving the switch to lift.
Fortune: Spring has sprung. Life is blooming.
Lucky numbers: 6–11–19–23–26–28
LEFT OUTPUT
RIGHT OUTPUT
GROUND
LIFT
8
7
7
MDB-USB Stereo DIrect Box: Rear Panel Features