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LA12 & LA12C User’s Guide
Table of contents
TABLE OF CONTENTS ...................................................................................................................................... 3
1.
2.
3.
4.
5.
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
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
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
RIGGING SETUP PROCEDURES ......................................................................................................... 23
4.1
FLOWN INSTALLATION ......................................................................................................................... 23
4.2
GROUND STACKING .............................................................................................................................. 26
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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