LA12 & LA12C User’s Guide
3
Table of contents
TABLE OF CONTENTS ...................................................................................................................................... 3
1. INTRODUCTION ........................................................................................................................................ 5
1.1 MAIN FEATURES ..................................................................................................................................... 5
1.2 SYSTEM ENCLOSURE .............................................................................................................................. 6
1.3 BASS, MID AND HIGH SECTIONS .............................................................................................................. 6
1.4 BOX DESCRIPTION AND DIMENSIONS ...................................................................................................... 8
1.5 OUTDOOR EXPOSURE .............................................................................................................................. 9
1.6 INPUT CONNECTOR PANEL ..................................................................................................................... 9
1.7 LA12 (LA12C) LINE ARRAY ELEMENT SPECIFICATIONS FOR A SINGLE ENCLOSURE ............................. 10
2. SYSTEM CONNECTION, AMPLIFICATION AND DIGITAL PROCESSING ............................... 12
2.1 POWER AMPLIFIER ............................................................................................................................... 12
2.2 NEXT LMS240I DIGITAL PROCESSOR .................................................................................................. 13
2.3 SPEAKER CABLE REQUIREMENTS ......................................................................................................... 16
3. RIGGING .................................................................................................................................................... 17
3.1 SAFETY WARNING ................................................................................................................................ 17
3.2 FLYING LOUDSPEAKERS SAFELY ........................................................................................................... 18
3.3 GROUND STACKING LOUDSPEAKERS SAFELY ........................................................................................ 19
3.4 TRAINING & EDUCATION ..................................................................................................................... 20
3.5 RIGGING SYSTEM OVERVIEW ................................................................................................................ 20
3.6 FLYING HARDWARE .............................................................................................................................. 20
3.7 QUICK – RELEASE PINS ......................................................................................................................... 21
3.8 FLYING BAR.......................................................................................................................................... 21
3.9 SWING ARMS ........................................................................................................................................ 22
3.10 RIGGING SLOTS .................................................................................................................................... 22
4. RIGGING SETUP PROCEDURES ......................................................................................................... 23
4.1 FLOWN INSTALLATION ......................................................................................................................... 23
4.2 GROUND STACKING .............................................................................................................................. 26
5. MAINTENANCE ....................................................................................................................................... 28
5.1 RIGGING SYSTEM .................................................................................................................................. 28
5.2 ENCLOSURE CLEANING ......................................................................................................................... 29
5.3 TRANSDUCERS ..................................................................................................................................... 29
5.4 SPARE PARTS ........................................................................................................................................ 29
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