Back panel interface 43, 2 analog input xlr connections, 3 analog xlr wiring and pin out – Lab.gruppen LM 44 User Manual
Page 49: 4 unbalanced operation

Back Panel Interface
43
Lake LM Series Operation Manual Rev 1.2.8
7.1.2
Analog Input XLR Connections
Two (LM 26) or four (LM 44) electronically-balanced analog inputs are provided via latching XLR3F connec-
tions.
INPUT 1
INPUT 2
Figure 7-4: Analog Input XLR Connections (LM 26)
7.1.3
Analog XLR Wiring and Pin Out
All XLR connections are wired to IEC268 as shown in Figure 7-5.
Figure 7-5: IEC268 XLR Wiring and Pin Out
Pin 1: Ground / Shield
Pin 2: Hot (+)
Pin 3: Cold (-)
7.1.4
Unbalanced Operation
Balanced connections are recommended where possible. However, if it is necessary to drive the device
from equipment with an unbalanced output, wire the inputs as shown in Figure 7-6.
1
2
3
COLD
HOT
SCRN
COLD
HOT
SCRN
Unbalanced Output
(Typically phono)
Balanced Input
(XLR)
Figure 7-6: Balanced to Unbalanced Analog Wiring and Pin Out