LA4X_UM_EN_4.0
w w w . l - a c o u s t i c s . c o m
5
CONTENTS
1
INTEGRATED SYSTEM APPROACH
7
1.1
Presentation ................................................................................................................................................................ 7
1.2
System configurations ................................................................................................................................................... 7
1.3
System components ..................................................................................................................................................... 7
1.3.1
Powering and driving systems ........................................................................................................................ 7
1.3.2
Loudspeaker enclosures and cables ................................................................................................................ 7
1.3.3
Rigging elements ........................................................................................................................................... 7
1.3.4
Software ...................................................................................................................................................... 8
2
LA4X AMPLIFIED CONTROLLER
9
2.1
Main features ............................................................................................................................................................... 9
2.1.1
Internal components ..................................................................................................................................... 9
2.1.2
Front and rear panels .................................................................................................................................... 9
2.2
Signal processing and amplification ............................................................................................................................... 10
2.2.1
Signal inputs ............................................................................................................................................... 10
2.2.2
DSP architecture ........................................................................................................................................ 11
2.2.3
Power supply and amplifier section .............................................................................................................. 12
2.2.4
Speaker outputs ......................................................................................................................................... 12
2.3
Monitoring and control ............................................................................................................................................... 12
2.3.1
User interface ............................................................................................................................................ 12
2.3.2
L-NET remote control network................................................................................................................... 12
3
INSTALLATION
13
3.1
Mounting ................................................................................................................................................................... 13
3.2
Ventilation ................................................................................................................................................................. 14
3.3
Connecting to AC mains ............................................................................................................................................. 14
3.3.1
AC mains specifications ............................................................................................................................... 14
3.3.2
Three-phase circuit..................................................................................................................................... 14
3.3.3
Circuit breaker ........................................................................................................................................... 14
3.3.4
Electrical generator..................................................................................................................................... 14
3.3.5
Power cord................................................................................................................................................ 15
3.3.6
Power consumption.................................................................................................................................... 15
3.3.7
Example of heat power calculation ............................................................................................................... 15
3.4
Audio and network cabling .......................................................................................................................................... 16
3.4.1
Connection panels ...................................................................................................................................... 16
3.4.2
Analog SIGNAL cabling ............................................................................................................................... 17
3.4.3
Digital SIGNAL cabling ................................................................................................................................ 18
3.4.4
SPEAKER cabling ........................................................................................................................................ 19
3.4.5
L-NET cabling ............................................................................................................................................ 20
4
OPERATION
21
4.1
Powering on, powering off, selecting the standby mode ................................................................................................ 21
