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Summary of Contents for Alcons LR18i
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Page 2: Table Of Contents
Table of contents _______________________________________________ Introduction______________________________________________________________________________________ 3 Important safety instructions and precautions _________________________________________________________ 4 Installation ______________________________________________________________________________________ 5 Rigging components ______________________________________________________________________________ 6 Array configurations ______________________________________________________________________________ 9 Service and support ______________________________________________________________________________ 16 CE declaration of conformity_______________________________________________________________________ 17 Rigging manual LR18i Rev. 1.1... -
Page 3: Introduction
1. Introduction __________________________________________________ Dear customer, Congratulations on your purchase of an Alcons Audio LR18i line array loudspeaker and thank you for your confidence in Alcons products. We are very honoured to welcome you to the growing family of Alcons ambassadors! For your safety, please read the important safety instructions and the precautions section before rigging a loudspeaker array. -
Page 4: Important Safety Instructions And Precautions
Do not stack the loudspeaker array on unstable ground or surface. If the array is stacked on a structure, platform, or stage, always check that the latter can support the total weight of the array. As a general rule, Alcons Audio recommends the use of safety straps at all times. -
Page 5: Installation
Unpacking Carefully open the shipping carton and inspect all the parts. Every Alcons product is thoroughly tested and inspected before leaving the factory and should arrive in perfect condition. If you find any damage, notify the shipping company immediately. Only you, the consignee, may initiate a claim for shipping damage. Be sure to save all packing materials for the carrier’s inspection. -
Page 6: Rigging Components
3) Signal input/ link Input/ link for the audio signal 4) Angle frame frame supports features for the angle setting and coupling 5) Angle bar bar with holes for angle setting and coupling Rigging manual LR18i Rev. 1.1... - Page 7 “single pick-point” for smaller arrays; all points 11mm/0.44-in for 0,75T shackles. The GRD18i is certified for a safety-rating of 10:1, for twelve (12) cabinets LR18i GRD18 The GRD18 enables the LR18i line-array modules to be flown and ground stacked.
- Page 8 “single pick-point” bar for smaller arrays (all points 14mm/0.55- in for 1,5T shackles).The GRD18B has a weight of 26 kg / 57 lb and is certified for a safety-rating of 10:1, for 24 cabinets LR18i, 12 cabinets LR18B * on the hoist positions on top of the grid.
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Page 9: Array Configurations
There are 10 user selectable logarithmic angles, which can be determined by the Alcons Ribbon Calculator™ simulation program. The angle lay-out is pictured on the right. To set a desired angle, two holes in the angle bar need to be positioned between the marked holes A,B on one cabinet and C,D and E on the adjacent cabinet. - Page 10 It is possible to use one pick point from the A1 linear pattern. Use one pick point only for max. 6x LR18i cabinets When hanging a 6-12 LR18i array with 2 hoist points, ensure that the Centre of Gravity is evenly spaced between the two A1 pick points.
- Page 11 4x ø4mm; 16.5mm x 108.8mm hole pattern for the Teqsas laser/ inclinometer. Hole A4 can be used for a cable sling attachment. The 2 holes A5 will hold the connection pin between the LR18i angle arm and GRD18 The picture below shows the orientation of the LR18i angle bar inside the GRD18 and GRD18B.
- Page 12 LR18B. Turn the arms horizontally into their recesses and lock with the G1 pins, when using GRD18B as a top grid. G2 connects to the front coupling of a LR18i, using the bottom hole. Rigging manual LR18i Rev. 1.1...
- Page 13 Required tools: Allan key wrench 5mm, thin 13mm wrench, long 13mm combination wrench and torque wrench 5-20Nm. Start by mounting GRD18i(1) onto the top LR18i cabinet. Use the supplied locating bolts and black locking nuts for the front couplers(2). Align the A/B hole with the “A” hole in the angle frame(5) with the collar bolt(6) and the 0,5°/hole GRD18i to the 0°...
- Page 14 Make the correct angle connection. These are stated on the angle frame. use the collar bolts(6) for the angle connection. Tighten up the bolt connections- >15Nm . Repeat these steps for the remaining cabinets. When the assembled array has been raised, check all bolt connections. Rigging manual LR18i Rev. 1.1...
- Page 15 Summary Alcons Audio BV warrants the original purchaser and any subsequent owner of each new Alcons product, for a period of six years limited from the date of the original purchase by the original purchaser that the new Alcons product is free of defects in materials and workmanship. Alcons Audio BV warrants the new Alcons product regardless of the reason for failure, except as excluded in this warranty.
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Page 16: Service And Support
6. Service and support ___________________________________________ Contact information Mailing address: Alcons Audio BV De Corantijn 69 1689 AN ZWAAG The Netherlands Telephone: +31 (0)229 283090 World Wide Web: http://www.alconsaudio.com E-mail: info@alconsaudio.com Rigging manual LR18i Rev. 1.1... -
Page 17: Ce Declaration Of Conformity
National standards and technical specifications applied: DIN EN ISO 12 100, DIN EN 1050, BGV C1 provided the mounting components are unaltered/modified and in “factory-original” condition. Established at Zwaag, the Netherlands, April 5th, 2022 T.H. Back Managing Director Rigging manual LR18i Rev. 1.1... - Page 18 Notes _________________________________________________________ Rigging manual LR18i Rev. 1.1...
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