Installation
LA4X signal panel
AES/EBU IN A&B
ANALOG IN A
AES/EBU IN C&D
ANALOG IN C
LINK A&B
LINK A
LINK C&D
LINK C
ANALOG IN B
ANALOG IN D
LINK B
LINK D
Analog input mode
The XLR connectors are wired according to IEC 60268-12:
— pin 1: shield
— pin 2: + signal
— pin 3: - signal
The female XLR input connectors ANALOG IN A to ANALOG IN D can receive up to four analog signals (when setting
the analog input mode for channel pairs AB and CD). The headroom of the input circuits is high enough to accept the
maximum output level from virtually any line level signal source (up to 22 dBu).
Each LINK connector is passively wired in parallel to the corresponding IN channel. The input impedance is high enough
(22 kΩ, balanced) to allow multiple parallel input connections.
AES/EBU input mode
Digital audio source specications
Standard: AES/EBU (AES3) or electrical S/PDIF (IEC 60958 Type II)
Sampling frequency: 44.1, 48, 64, 88.2, 96, 128, 176.4 or 192 kHz
Word length: 16, 18, 20 or 24 bits
The AES/EBU inputs are transformer balanced and their XLR connectors are wired according to IEC 60268-12.
The female XLR input connectors AES/EBU IN A&B and AES/EBU IN C&D can receive up to four digital signals (when
setting the AES/EBU input mode for channel pairs AB and CD). The input format is AES/EBU (AES3) or electrical S/PDIF
(IEC 60958 Type II).
Each LINK connector is electronically buffered to allow daisy-chaining any number of amplied controllers. It also features
a failsafe relay to ensure wiring continuity in case of amplied controller shutdown.
L-NET panel
The two etherCON connectors are for the remote control of LA4X over an Ethernet network called L-NET using LA
Network Manager.
Each of the two etherCON connectors can be equally used as an IN or a LINK connector.
LA4X user manual (EN) version 9.1 20
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