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Related Manuals for Next LA12
Summary of Contents for Next LA12
- Page 1 USER’S GUIDE LA12 & LA12C Version 2.0...
- Page 2 LA12 & LA12C User’s Guide TECHNICAL SUPPORT If you have a question about line arrays or run into a problem using one of our line arrays, call our technical support team. Phone: +351 224 890 075 Monday through Friday between 8:30 AM and 6:30 PM.
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Page 3: Table Of Contents
LA12 & LA12C User’s Guide Table of contents TABLE OF CONTENTS ............................3 INTRODUCTION ............................5 ............................. 5 AIN FEATURES ..........................6 YSTEM ENCLOSURE ......................6 MID AND HIGH SECTIONS ...................... 8 OX DESCRIPTION AND DIMENSIONS ..........................9 UTDOOR EXPOSURE ........................ - Page 4 LA12 & LA12C User’s Guide PLEASE take a little time to learn how to get great results with your NEXT LA12 (LA12C) System. It’s a small investment that will generate a large payoff: more satisfied clients, more efficient operations and better recognition for your skill as a sound...
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Page 5: Introduction
LA12 & LA12C User’s Guide 1. I NTRODUCTION NEXT-proaudio LA12 (LA12C) line array is a next generation line array system which combine innovative loudspeaker design techniques with line array technology to produce a very powerful with extended frequency response, smooth coverage and maximum dynamic impact line array. -
Page 6: System Enclosure
Each box of the LA12 (LA12C) line array weights just 54kg (46kg) while containing one 700-watt low frequency driver, two 280-watt mid frequency drivers, and three 60-watt, 1”... - Page 7 LA12 & LA12C User’s Guide The LA12 (LA12C) line array system features a 12" Neodymium high excursion high power bass loudspeaker loaded by a DOUBLE TECHNOLOGY CABINET that perfectly matches the very high efficiency and impact of a horn reproduction with the soft extended bass response of the reflex loading.
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Page 8: Box Description And Dimensions
In the drawing shown below there is a front, top and side view of the enclosure. Designed as a Line Array Element, the NEXT LA12 (LA12C) is intended to be used in multi-box arrays. Due to its trapezoidal shape, these LA12 (LA12C) arrays have an important acoustical design characteristic: no “gaps”... -
Page 9: Outdoor Exposure
A significantly curved LA12 (LA12C) array can thus be created without gaps on the front baffle of the array. The LA12 (LA12C) enclosure can be coupled together to create small, medium or large arrays. -
Page 10: La12 (La12C) Line Array Element Specifications For A Single Enclosure
LA12 & LA12C User’s Guide 1.7 LA12 (LA12C) LINE ARRAY ELEMENT SPECIFICATIONS FOR A SINGLE ENCLOSURE Specification LA12 LA12C Type 3-way line array element 3-way compact line array element Frequency Response (+/- 3dB) 60Hz - 19kHz 60Hz - 19kHz Horizontal Coverage (-6dB) 90º... - Page 11 LA12 & LA12C User’s Guide Rigging Integrated, Adjustable from 0º to 8º Integrated, Adjustable from 0º to 8º Enclosure Material 13-ply birch plywood 13-ply birch plywood Finish Black semi-matt textured paint Black semi-matt textured paint Grille Black powercoated perfurated steel...
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Page 12: System Connection Amplification And Digital Processing
For this reason maximum Recommended Power Levels per Transducer may exceed the AES power rating of individual drivers. 2.1 P OWER MPLIFIER In order to power the system we make use of NEXT’S MA SERIES amplifiers with the following rack setup:... -
Page 13: Next Lms240 I Digital Processor
1 NEXT MA3800 amplifier for the sub-lows. This rack setup is called a “slave” rack. Each of this “slave” racks, power two LA12 (LA12C) and two LAS 218 speaker systems. In order to process the signal, a NEXT LMS 240i digital processor is added to the first rack of the system, intitled the “master”... - Page 14 LA12 & LA12C User’s Guide This digital audio controller is supplied with a software (running under Windows 95/98/NT/2000/Me/XP and VISTA) that allows the user to configure all parameters of the controller, storing them to the processor by means of a simple USB computer connection.
- Page 15 Dynamics control and noise gate per output; Included Digital Input AES/EBU or S/PDIF (32-96kHz). The NEXT LMS240i loudspeaker management system has 2 inputs and 4 outputs, completely configurable by the user. It has been designed to perform like: A complete 3 and/or 4 ways PA mono processor (global equalization, delay unit, crossover, individual equalization, limiter / compressor and an independent noise gate per way).
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Page 16: Speaker Cable Requirements
Speaker cables terminate at the speakers with an 8-conductor Neutrik NL-8 connector. One cable reaches from the amplifiers rack to a single LA12 (LA12C). A short jumper cable then connects an additional LA12 (LA12C) speaker in parallel to the first. -
Page 17: Rigging
ARNING The following sections detail general rigging practices appropriate to the entertainment industry, as they would apply to the rigging of NEXT’S LA12 (LA12C) loudspeaker systems. It is intended to familiarize the reader with standard rigging hardware and techniques for suspending NEXT’S LA12 (LA12C) loudspeaker systems overhead. Only persons with the knowledge of proper hardware and safe rigging techniques should attempt to suspend any sound systems overhead. -
Page 18: Flying Loudspeakers Safely
It is the responsibility of the user to ensure that any NEXT loudspeaker system is suspended overhead in accordance with all current federal, state and local regulations. NEXT continually engages in testing, research and development of its loudspeaker products. -
Page 19: Ground Stacking Loudspeakers Safely
LA12 & LA12C User’s Guide When de-rigging the system ensure that the same care is given to the procedure as for the installation. Pack components carefully to prevent damage during transit. 3.3 G ROUND STACKING LOUDSPEAKERS SAFELY Statistically, many more injuries occur due to unstable ground stacked PA systems than to improperly flown systems. -
Page 20: Training & Education
3.6 F LYING HARDWARE The flying hardware consists of the following components: A flying bar from which a column of LA12 (LA12C) loudspeakers enclosures is suspended (One flying bar per column is required); Front and rear swing arms;... -
Page 21: Quick - Release Pins
3.8 F LYING BAR The LA12 (LA12C) has been designed to bear heavy loads and is equipped with two front and two rear end attachment points. There is a central reinforcement bar which is also used for lifting purposes, with six attachment points. -
Page 22: Swing Arms
LA12 & LA12C User’s Guide 3.9 S WING ARMS Each LA12 (LA12C) loudspeaker enclosure is equipped with a flying hardware located on both sides. Four swing arms are fitted on the speaker rigging slots. By sliding out the two swing arms located on the cabinet front, one can secure the acoustic enclosure to the upper one or to the flying bar. -
Page 23: Rigging Setup Procedures
(chains and/or motors), then add the next speaker system. Pay attention to the correct introduction of the various quick- release pins and, finally, make sure that the system is stable and well anchored. - Page 24 LA12 & LA12C User’s Guide...
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Page 26: Ground Stacking
LA12 & LA12C User’s Guide 4.2 G ROUND STACKING When installing a stacked system, place the flying bar on a steady support taking into account that it will have to bear the whole array weight. Once the flying bar has been positioned, fit the first speaker system and then all the remaining ones. - Page 27 LA12 & LA12C User’s Guide...
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Page 28: Maintenance
5. M AINTENANCE The NEXT LA12 (LA12C) system is designed to provide you with years of trouble-free use. Nonetheless, problems can and do arise, and the system design takes this into account based on NEXT’S years of real-world experience. Because of the safety issues involved, users must adopt a schedule of regular inspection and maintenance. -
Page 29: Enclosure Cleaning
5.2 E NCLOSURE CLEANING The black semi-matt textured paint on an LA12 (LA12C) enclosure can be wiped clean with a water and soap-based mixture, or with mild household cleaners. When using a cloth or rag, it is best to use thick, non-fuzzy fabrics. Loose-knit cloths or paper towels may deteriorate and leave residue or smudged spots. - Page 30 LA12 & LA12C User’s Guide For additional technical information Feel free to visit our web site www.next-proaudio.com or contact us at the following e-mail: info@next-proaudio.com...