L-ACOUSTICS LA4X [6/47] La4x amplified controller
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L-ACOUSTICS LA4X [6/47] La4x amplified controller

L-ACOUSTICS LA4X [6/47] La4x amplified controller
LA4X AMPLIFIED CONTROLLER
USER MANUAL
VERSION 2.0
LA4X_UM_EN_2.0 w w w . l - a c o u s t i c s . c o m 6
CONTENTS
1 INTEGRATED SYSTEM APPROACH 8
1.1 Presentation ...................................................................................................................................................... 8
1.2 System configurations ....................................................................................................................................... 8
1.3 System components.......................................................................................................................................... 8
1.3.1 Powering and driving systems ............................................................................................................ 8
1.3.2 Loudspeaker enclosures and cables ................................................................................................... 8
1.3.3 Rigging elements ................................................................................................................................. 8
1.3.4 Software ............................................................................................................................................. 9
2 LA4X AMPLIFIED CONTROLLER 10
2.1 Main features .................................................................................................................................................. 10
2.1.1 Internal components......................................................................................................................... 10
2.1.2 Front and rear panels ....................................................................................................................... 10
2.2 Signal processing and amplification ................................................................................................................. 11
2.2.1 Signal inputs ...................................................................................................................................... 11
2.2.2 DSP architecture .............................................................................................................................. 12
2.2.3 Power supply and amplifier section.................................................................................................. 13
2.2.4 Speaker outputs ................................................................................................................................ 13
2.3 Monitoring and control ................................................................................................................................... 13
2.3.1 User interface ................................................................................................................................... 13
2.3.2 L-NET remote control network ...................................................................................................... 13
3 INSTALLATION 14
3.1 Mounting ......................................................................................................................................................... 14
3.2 Ventilation ....................................................................................................................................................... 15
3.3 Connecting to AC mains................................................................................................................................. 15
3.3.1 AC mains specifications .................................................................................................................... 15
3.3.2 Three-phase circuit........................................................................................................................... 15
3.3.3 Circuit breaker ................................................................................................................................. 15
3.3.4 Electrical generator .......................................................................................................................... 15
3.3.5 Power cord ....................................................................................................................................... 16
3.3.6 Power consumption ......................................................................................................................... 16
3.3.7 Example of heat power calculation .................................................................................................. 16
3.4 Audio and network cabling ............................................................................................................................. 17
3.4.1 Connection panels ............................................................................................................................ 17
3.4.2 Analog SIGNAL cabling..................................................................................................................... 18
3.4.3 Digital SIGNAL cabling ..................................................................................................................... 19
3.4.4 SPEAKER cabling .............................................................................................................................. 20
3.4.5 L-NET cabling ................................................................................................................................... 21

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