LA12 & LA12C User’s Guide
3
Table of contents
TABLE OF CONTENTS...................................................................................................................................... 3
1. INTRODUCTION........................................................................................................................................ 5
1.1MAIN 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
