Table Of Contents; W W W . L - A C O U S T I C S . C O M - L-Acoustics LA4X User Manual

CONTENTS
1 INTEGRATED SYSTEM APPROACH
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
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
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
4.1 Powering on, powering off, selecting the standby mode ................................................................................................ 21
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