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LEHLE GmbH · Germany · www.lehle.com · support@lehle.com
BALANCED SIGNAL ROUTING
Balanced signal lines are used to cross
larger distances without interference.
They are generally fitted with XLR connec-
tors or TRS (Tip Ring Sleeve) jack plugs.
Here, three cores are required:
there are two signal conductors. In a bal-
anced signal line, the signal is present in
phase at the tip, as in the case of an un-
balanced signal line (XLR Pin 2).
The second signal conductor carries the
same signal, but with the opposite polar-
ity or mirror-image phase (Ring, XLR Pin
3).
The third conductor is the screening,
and again constitutes the signal ground
(Sleeve, XLR Pin 1).
BALANCED SIGNAL ROUTING
JACK XLR
Cable
Sleeve Pin 1
Ground
Ring Pin 3
Signal in mirrored phase
Tip Pin 2
Signal in phase
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