L-Acoustics arcs focus Rigging Manual Download

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ARCSWIFO_RM_EN_3.0

w w w . l - a c o u s t i c s . c o m

ARCS

WIDE

Description

2-way passive enclosure, amplified by LA4 or LA8

Usable bandwidth (-10 dB)

55 Hz - 20 kHz ([ARCS_WIFO] preset)

Maximum SPL

135 dB ([ARCS_WIFO] preset)

Coverage angle (-6 dB)

30°



90°

Transducers

LF 1



3" diaphragm compression driver, DOSC

waveguide.

HF 1



12" , weather-resistant, bass-reflex.

Nominal impedance

8 Ω

RMS power handling

450 W

Connectors

IN: 1



4-point SpeakOn

LINK: 1



4-point SpeakOn

Rigging components

Rigging rails and WIFORIG rigging bars.

Dimensions

Physical data

Weight (net):

38 kg / 84 lb

Cabinet:

Baltic birch plywood.

Finish:

Grey brown RAL 8019

or Pure white RAL 9010

Front:

Steel grill with anti-corrosion coating, Airnet

fabric

Protection Rating:

IP45

Rigging component:

High strength steel with anti-corrosion coating

Peak level at 1 m under free field conditions using 10 dB crest factor pink noise with specified preset.

Summary of Contents for arcs focus

Page 1: ...ARCS WIDE SYSTEM ARCS FOCUS SYSTEM RIGGING MANUAL VERSION 3 0 www l acoustics com ...

Page 2: ...fer to the warnings in Mechanical Data section 9 Be cautious when flying a loudspeaker array Always verify that no one is standing underneath the loudspeaker array when it is being raised As the array is being raised check each individual element to make sure that it is securely fastened to the adjacent element Never leave the array unattended during the installation process As a general rule L AC...

Page 3: ...y 7 3 TECHNICAL DESCRIPTION 8 3 1 Flying 8 3 1 1 WIFOLIFT 8 3 1 2 WIFOLIFTBAR 9 4 SYSTEM SETUP 10 4 1 Ground stacking 10 Horizontal 10 Horizontal stacked on SB18m 10 Vertical stacked on SB18m 10 4 2 Flying 11 Horizontal 2 or 4 enclosure 11 Horizontal 3 5 or 6 enclosure 12 Vertical 13 4 3 Pole mounting 14 On feet or on top of SB18m 14 5 SUBSET PROCEDURES 15 Locking a rigging bar WIFORIG SB18MRIG or...

Page 4: ...ng bars 1 2 Rigging elements WIFOBUMP Frame for flying ARCS WIDE FOCUS or SB18m enclosures as a vertical array Provided with two bow shackles WLL 1 t WIFORIG Coupling bars dedicated to ARCS WIDE and ARCS FOCUS Equipped with the LOCKTAB locking tab Delivered with the enclosures SB18MRIG Coupling bars dedicated to SB18m Equipped with the LOCKTAB locking tab Delivered with the enclosure WIFOLIFT Bar ...

Page 5: ... o u s t i c s c o m 5 ARCS WIDE ARCS FOCUS SB18m WIFOBUMP WIFOLIFT WIFOLIFTBAR WIFOSOCK WIFOTILT CLAMP250 WIFORIG SB18MRIG SOUNDVISION SB18PLA SB18COV Components involved in the rigging process of ARCS WIDE SYSTEM ARCS FOCUS SYSTEM ...

Page 6: ... deploying these configurations always model the system in SOUNDVISION and check the Mechanical Data section for any stress warning or stability warning For mixed arrays always refer to your SOUNDVISION model Table 1 Horizontal arrays Safe Maximum Flying WIFOLIFTBAR 5 ARCS WIDE FOCUS 6 ARCS WIDE or 5 ARCS FOCUS WIFOLIFTBAR CLAMP250 5 ARCS WIDE FOCUS 6 ARCS WIDE or 5 ARCS FOCUS WIFOLIFT 4 ARCS WIDE...

Page 7: ...calculation offered by SOUNDVISON Assessing the safety with SOUNDVISION The overall safety factor of a specific mechanical configuration always corresponds to the lowest safety factor among all the linking points Always model the system configuration with the SOUNDVISION software and check the Mechanical Data section to identify the weakest link and its corresponding working load By default a stre...

Page 8: ...s in this table to know which accessories to use 1 load bearing line 2 load bearing lines 2 or 4 ARCS WIDE FOCUS 3 or 5 ARCS WIDE FOCUS 6 ARCS WIDE 6 or 8 ARCS WIDE FOCUS 1 WIFOLIFT 2 WIFOLIFT 1 WIFOLIFTBAR 2 WIFOLIFT 3 1 1 WIFOLIFT Maximum of four enclosures per WIFOLIFT Always use 1 load bearing line per pick up point Only lift symmetrical arrays Each side of the array must mirror the other 1 WI...

Page 9: ... u s t i c s c o m 9 3 1 2 WIFOLIFTBAR Only lift symmetrical arrays Each side of the array must mirror the other 2 WIFOLIFT and 1 WIFOLIFTBAR ARCS WIDE only When used with 6 enclosures the WIFOLIFTBAR is only compatible with ARCS WIDE ...

Page 10: ...ally logo down If SB18m enclosures are vertically stacked attach them refer to PROCEDURE A Place the ARCS WIDE FOCUS enclosures on top of the subwoofers side by side with rails aligned Slide and lock the WIFORIG bars on the top adjacent ARCS WIDE FOCUS rails Refer to PROCEDURE A Vertical stacked on SB18m Stack and attach as many SB18m enclosures as necessary logo down Refer to PROCEDURE A To adjus...

Page 11: ...ecured as indicated in PROCEDURE D Truss clamping By installing a CLAMP250 instead of a shackle an array can be attached to a truss Refer to PROCEDURE D Attaching a shackle or CLAMP250 Horizontal 2 or 4 enclosure Place the enclosures in vertical position side by side logo down and rails aligned Remove all top WIFORIG bars from their storage location Install the WIFOLIFT bar s See WIFOLIFT p 8 9 Re...

Page 12: ...ition side by side logo down and rails aligned Remove all top WIFORIG bars from their storage location Install the WIFOLIFT bar s See WIFOLIFT p 8 9 at the beginning of this section Refer to PROCEDURE A Slide and lock the WIFORIG bars into all top remaining adjacent rails Refer to PROCEDURE A Attach a WIFOLIFTBAR to the two WIFOLIFT Refer to PROCEDURE C Attach a shackle or a CLAMP250 to the WIFOLI...

Page 13: ...EDURE D Vertical Place the first enclosure WIDE FOCUS or SB18m on the floor For an array with 2 SB18m place and lock a second SB18m on top of the first one Refer to PROCEDURE A to lock the SB18MRIG bars Remove the top coupling bars from their storage location Place the WIFOBUMP frame on the top enclosure and lock the coupling bars With an SB18m on top refer to SOUNDVISION for the frame position fr...

Page 14: ... of SB18m Install a WIFOSOCK on an ARCS WIDE FOCUS enclosure Refer to PROCEDURE E Insert the pole into the WIFOSOCK socket If needed insert the other extremity of the pole into an SB18m socket Tip the assembly to a vertical position Dismantling the system Identify the array to dismount and apply the associated System setup procedure in reversed order ...

Page 15: ...ure the mechanical safety of these connections 1 Remove the bar from its storage location 2 From the front of the array slide the bar into adjacent rigging rails Storage position 3 Secure the bar with the locking tab Accurately position the bar by pushing it into place Pinch the spring tongue and slide the locking tab until it snaps into place When encountering difficulty try to slide the tab from...

Page 16: ...FOTILT to adjust ARCS WIDE FOCUS site angle PROCEDURE B Remove the locking tabs and sling from WIFOTILT Adjust WIFOTILT angle WIDE FOCUS WIDE FOCUS WIDE FOCUS WIDE FOCUS 0 7 5 2 5 10 5 12 5 7 5 15 Loosen the knob Select the angle and notch the corresponding slit on the knob screw Turn the T shape support and tighten the knob ...

Page 17: ...FOCUS on the SB18m with rails aligned Slide the WIFOTILT tabs through the holes at the front of both enclosures rails Lift the back of ARCS WIDE FOCUS and place the WIFOTILT in the SB18m pole socket Attach the sling to the back holes of each enclosure rail on one side of the assembly ...

Page 18: ...to the two WIFOLIFT 5 1 2 Tilt angle definition and rigging holes choice The tilt angle of an array is defined by the holes selected on the WIFOLIFT For homogeneous arrays ARCS WIDE or FOCUS refer to the Tilt angle reference chart on the next page to define which WIFOLIFT holes correspond to your target tilt angle and which WIFOLIFTBAR holes to use For example rigging a three ARCS FOCUS array on h...

Page 19: ...TBAR HOLE 1 2 3 4 5 6 7 9 10 11 12 13 14 5 ARCS FOCUS Tilt angle 32 3 28 0 24 4 20 4 16 4 12 1 7 8 3 3 1 3 5 7 10 0 14 4 18 2 WIFOLIFTBAR HOLE 2 3 3 4 4 5 5 6 6 7 7 8 8 3 ARCS WIDE Tilt angle 26 0 21 8 17 9 13 8 9 5 4 4 1 1 3 2 7 4 11 7 15 7 19 7 23 1 WIFOLIFTBAR HOLE 2 3 4 5 6 7 8 9 10 11 12 13 14 3 ARCS FOCUS Tilt angle 26 5 21 6 17 6 13 4 9 0 4 8 0 2 4 4 8 9 13 1 17 3 21 4 25 0 WIFOLIFTBAR HOLE...

Page 20: ...n measure the angle If you are not satisfied lower the array to the ground and adjust the angle by picking another hole If you are satisfied with the angle continue Risk of fall The WIFOLIFT must be parallel to the top of the array Any other situation creates mechanical stress and can cause the WIFOLIFT to pop out 5 Verify that the central bar of the two WIFOLIFT is parallel to the top of the arra...

Page 21: ...ROCEDURE D Attaching a WIFOLIFTBAR Securing a swivel shackle on WIFOLIFTBAR Securing the WIFOLIFTBAR to the two WIFOLIFT Verifying the WIFOLIFT central bar is parallel to the top of the array Verifying the alignment of the swivel shackle and the rigging arm ...

Page 22: ...X B TILT ANGLE REFERENCE CHART to identify the hole that corresponds to the targeted tilt angle WIFOBUMB HOLES WIFOLIFT HOLES WIFOLIFTBAR HOLES About site angle Since many variables can affect the actual site angle it is recommended to use an inclinometer Attach and secure a shackle or a CLAMP250 to the identified hole by driving the pierced bolt With a CLAMP250 install safety slings between the K...

Page 23: ...ARCSWIFO_RM_EN_3 0 w w w l a c o u s t i c s c o m 23 ...

Page 24: ...ngle hole Place the WIFOSOCK onto the socket receptacle of the enclosure Secure the WIFOSOCK by applying a quarter turn rotation to the three screws with a coin or a screwdriver Insert the pin into the appropriate angle hole Possible angles on the WIFOSOCK Selected angle on WIFOSOCK Realized site angle ARCS WIDE ARCS FOCUS 15 0 0 0 7 5 7 5 7 5 0 0 0 0 15 0 7 5 7 5 22 5 15 0 ...

Page 25: ...l a c o u s t i c s c o m 25 APPENDIX A PULLBACK IMPLEMENTATION A Vertical Array Maximum configurations 2 or 4 ARCS WIDE FOCUS enclosures array for 1 WIFOBUMP frame 6 or 8 ARCS WIDE FOCUS enclosures array for 2 WIFOBUMP frames ...

Page 26: ... manual VERSION 3 0 ARCSWIFO_RM_EN_3 0 w w w l a c o u s t i c s c o m 26 B Horizontal array Maximum configurations 2 or 4 ARCS WIDE FOCUS enclosures array for 1 WIFOLIFT 3 or 5 ARCS WIDE FOCUS enclosures array for 2 WIFOLIFT and 1 WIFOLIFTBAR ...

Page 27: ...RCS WIDE 33 1 29 5 26 5 23 4 20 0 16 6 13 0 9 3 5 5 1 7 2 2 6 0 9 5 6 ARCS FOCUS 37 3 33 7 30 6 27 3 23 8 20 1 16 2 12 2 8 1 3 8 0 5 4 8 8 7 4 ARCS WIDE 33 4 29 1 25 5 21 6 17 6 13 3 8 9 4 4 0 2 4 7 9 3 13 7 17 6 4 ARCS FOCUS 30 7 26 1 22 3 18 2 14 0 9 6 5 1 0 5 4 1 8 6 13 1 17 4 21 2 2 ARCS WIDE 26 6 21 6 17 5 13 1 8 7 4 1 0 5 5 2 9 7 14 2 18 4 22 5 26 1 2 ARCS FOCUS 26 4 21 3 17 2 12 9 8 4 3 8 0...

Page 28: ... 2 4 0 0 1 4 3 8 8 12 5 WIFOLIFTBAR HOLE 1 2 3 4 5 6 7 9 10 11 12 13 14 5 ARCS FOCUS Tilt angle 32 3 28 0 24 4 20 4 16 4 12 1 7 8 3 3 1 3 5 7 10 0 14 4 18 2 WIFOLIFTBAR HOLE 2 3 3 4 4 5 5 6 6 7 7 8 8 3 ARCS WIDE Tilt angle 26 0 21 8 17 9 13 8 9 5 4 4 1 1 3 2 7 4 11 7 15 7 19 7 23 1 WIFOLIFTBAR HOLE 2 3 4 5 6 7 8 9 10 11 12 13 14 3 ARCS FOCUS Tilt angle 26 5 21 6 17 6 13 4 9 0 4 8 0 2 4 4 8 9 13 1 ...

Page 29: ...49 0 47 2 45 3 43 3 41 1 38 3 35 3 4 ARCS WIDE 48 1 46 0 43 8 41 8 39 7 37 5 35 1 32 5 29 8 27 0 23 9 20 8 17 5 13 4 9 1 4 ARCS FOCUS 32 3 30 1 27 8 25 8 23 7 21 6 19 4 17 1 14 8 12 4 10 0 7 6 5 1 2 1 1 0 not applicable with the CLAMP250 2 ARCS WIDE 43 0 39 3 35 2 31 4 27 2 22 8 18 0 12 9 7 7 2 3 3 2 8 5 13 8 19 8 25 4 2 ARCS FOCUS 35 4 31 6 27 4 23 8 19 9 15 8 11 5 7 1 2 6 1 9 6 4 10 8 15 1 20 1 ...

Page 30: ...Rear position 0 9 2 1 5 0 7 5 9 9 12 2 14 6 16 9 19 1 21 3 23 4 25 4 27 4 29 7 31 9 Front position 24 1 21 5 18 9 16 7 14 4 12 1 9 7 7 3 4 8 2 4 0 1 2 6 5 0 8 0 10 9 2 SB18m and 4 ARCS WIDE Rear position 7 3 5 6 3 9 2 4 1 0 0 4 1 8 3 3 4 7 6 1 7 5 8 9 10 3 12 0 13 6 Front position 20 7 19 1 17 6 16 3 15 0 13 6 12 3 10 9 9 5 8 1 6 7 5 3 3 9 2 1 0 4 2 SB18m and 4 ARCS FOCUS Rear position 4 5 3 0 1 4...

Page 31: ... ARCS WIDE FOCUS enclosures in vertical position Both the tray and cap should feature a foam insert cut according to the pattern illustrated below This one allows for the different enclosure combinations 2 ARCS WIDE 2 ARCS FOCUS or 1 ARCS WIDE 1 ARCS FOCUS Cap and tray of the flight case Pattern of the foam insert for the cap and the tray Storage options ...

Page 32: ...guide HF 1 12 weather resistant bass reflex Nominal impedance LF 8 Ω RMS power handling 450 W Connectors IN 1 4 point SpeakOn LINK 1 4 point SpeakOn Rigging components Rigging rails and WIFORIG rigging bars Dimensions Physical data Weight net 38 kg 84 lb Cabinet Baltic birch plywood Finish Grey brown RAL 8019 or Pure white RAL 9010 Front Steel grill with anti corrosion coating Airnet fabric Protec...

Page 33: ... Nominal impedance 8 Ω RMS power handling 450 W Connectors IN 1 4 point SpeakOn LINK 1 4 point SpeakOn Rigging components Rigging rails and WIFORIG rigging bars Dimensions Physical data Weight net 38 kg 84 lb Cabinet Baltic birch plywood Finish Grey brown RAL 8019 or Pure white RAL 9010 Front Steel grill with anti corrosion coating Airnet fabric Protection Rating IP45 Rigging component High streng...

Page 34: ...minal impedance 8 Ω Connectors IN 1 4 point SpeakOn LINK 1 4 point SpeakOn Rigging components Rigging rails and two SB18RIG rigging bars Dimensions Physical data Weight net 62 kg 137 lbs Cabinet Baltic birch plywood Finish Grey brown RAL 8019 or Pure white RAL 9010 RAL code on special order Front Steel grill with anti corrosion coating Airnet acoustically neutral fabric Protection Rating IP45 Rigg...

Page 35: ...i corrosion coating WIFOBUMP Description Rigging element for the ARCS WIDE SYSTEM and the ARCS FOCUS SYSTEM Dimensions Weight 10 5 kg 23 1 lb Material Steel with anti corrosion coating WIFOLIFT Description Rigging element for the ARCS WIDE SYSTEM and the ARCS FOCUS SYSTEM Dimensions Weight 2 kg 4 4 lb Material Steel with anti corrosion coating ...

Page 36: ...ions Weight 1 6 kg Material High grade steel with anti corrosion coating WIFOSOCK Description Rigging element for the ARCS WIDE SYSTEM and the ARCS FOCUS SYSTEM Dimensions Weight 0 8 kg 1 8 lb Material Steel with anti corrosion coating WIFOTILT Description Accessory used to stack up to 4 ARCS WIFO on SB18m and set their site angle Dimensions Weight 2 1 kg 4 6 lb Material Steel with anti corrosion ...

Page 37: ...WIFO_RM_EN_3 0 Distribution date August 4 2014 2014 L ACOUSTICS All rights reserved No part of this publication may be reproduced or transmitted in any form or by any means without the express written consent of the publisher ...

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