L-Acoustics ARCS Wide User Manual
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- Rigging manual (37 pages) ,
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Table of Contents
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Summary of Contents for L-Acoustics ARCS Wide
- Page 1 ARCS Wide/Focus user manual (EN)
- Page 2 VERSION 4.0 Document reference: ARCSWIFO_UM_EN_4.0 Distribution date: December 15, 2021 © 2021 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.
- Page 3 SAFETY INSTRUCTIONS Read this manual Follow all SAFETY INSTRUCTIONS as well as DANGER and OBLIGATION warnings Never incorporate equipment or accessories not approved by L-ACOUSTICS ® Read all the related PRODUCT INFORMATION documents before exploiting the system The product information document is included in the shipping carton of the related system component.
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Page 4: Table Of Contents
Line source ....................................8 Standalone ARCS WIDE/FOCUS line source ..........................8 Line source with low-frequency element ............................ 9 ARCS WIDE/FOCUS line source + SB18m ..........................9 Line source element .................................. 10 Single ARCS WIDE/FOCUS enclosure ............................. 10 Line source with low-frequency element ..........................11 Single ARCS WIDE/FOCUS + SB18m ............................. -
Page 5: Arcs Wide / Focus System
® ® enclosures. Both can be driven with the same preset. All L-ACOUSTICS amplified controllers feature the L-DRIVE, a thermal and over-excursion protection circuit. Up to 253 LA8 amplified controllers can be connected together via the Ethernet-based L-NET protocol. The LA NETWORK MANAGER software allows online remote control and monitoring of all the connected units, via a user- friendly and intuitive graphic interface, and features the Array Morphing EQ. -
Page 6: System Components
VERSION 4.0 1 SYSTEM COMPONENTS The system approach developed by L-ACOUSTICS consists in offering a global solution that guarantees the highest and ® most predictable level of performance at any step of loudspeaker system deployment: modeling, installation, and operation. - Page 7 ARCS ® FOCUS SB18m LA4X SPY1 ARCS ® WIDE SP10 DO10 DO3WFILL SP25 DO25 DOSUB-LA8 DO.7 LA Network Manager Soundvision ARCS ® WIDE/FOCUS system components (excluding rigging elements and modulation cables) ARCSWIFO_UM_EN_4.0 w w w . l - a c o u s t i c s . c o m...
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Page 8: Loudspeaker Configurations
VERSION 4.0 2 LOUDSPEAKER CONFIGURATIONS Line source Deployed as a standalone line source, an ARCS WIDE/FOCUS system operates over the nominal bandwidth of the ARCS WIDE/FOCUS enclosure. The [ARCS_WIFO] preset allows for a reference frequency response in medium throw applications. -
Page 9: Line Source With Low-Frequency Element
The [SB18_60] preset provides the subwoofer enclosures with an upper frequency limit at 60 Hz for an optimal frequency coupling with the ARCS ® WIDE/FOCUS line source. This configuration is driven by the LA4, LA4X or LA8 amplified controllers. ARCS WIDE/FOCUS line source + SB18m Flown Stacked Flown horizontal ARCS WIDE/FOCUS with ground-stacked SB18m... -
Page 10: Line Source Element
The [ARCS_WIFO_FI] preset allows for a reference frequency response in short throw applications. This configuration is driven by the LA4, LA4X or LA8 amplified controller. Single ARCS WIDE/FOCUS enclosure Frequency range (-10 dB) Enclosure [PRESET] 55 Hz –... -
Page 11: Line Source With Low-Frequency Element
The [SB18_60] preset provides the subwoofer enclosures with an upper frequency limit at 60 Hz for an optimal frequency coupling with the ARCS ® WIDE/FOCUS element. This configuration is driven by the LA4, LA4X or LA8 amplified controllers. Single ARCS WIDE/FOCUS + SB18m Enclosure [PRESET] ARCS ®... -
Page 12: Loudspeaker Connection
FOCUS SYSTEM user manual VERSION 4.0 3 LOUDSPEAKER CONNECTION Connectors Internal pinout for L-ACOUSTICS ® ARCS WIDE/FOCUS and SB18m SpeakON ® points Not used Not used Transducer connectors ARCSWIFO_UM_EN_4.0 w w w . l - a c o u s t i c s . c o m... -
Page 13: Connection To La4 / La4X
Connection to LA4 / LA4X Maximum number of enclosures per LA4 / LA4X WIDE/FOCUS or one SB18m can be connected to each output channel on the LA4 / LA4X. One ARCS ® Therefore, a single LA4 / LA4X amplified controller can drive up to: WIDE/FOCUS or •... - Page 14 ARCS ® WIDE SYSTEM ARCS ® FOCUS SYSTEM user manual VERSION 4.0 LA4 / LA4X option A maximum configuration with ARCS WIDE/FOCUS + SB18m ® LA4 / LA4X option A maximum configuration with SB18m ARCSWIFO_UM_EN_4.0 w w w . l - a c o u s t i c s . c o m...
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Page 15: Option B
Option B Connect an SP cable (SP.7, SP5, SP10 or SP25) to the OUT1/OUT2 and OUT3/OUT4 connectors of the LA4 / LA4X. Use a CC4FP adapter to connect an SP-Y1 cable and separate the two output channels. LA4 / LA4X option B maximum configuration with ARCS ®... -
Page 16: Connection To La8
VERSION 4.0 Connection to LA8 Maximum number of enclosures per LA8 Two ARCS WIDE/FOCUS or two SB18m can be connected in parallel to each output channel on the LA8. Therefore, a single LA8 amplified controller can drive up to: •... - Page 17 LA8 option A with ARCS WIDE/FOCUS + SB18m ® LA8 option A with SB18m ARCSWIFO_UM_EN_4.0 w w w . l - a c o u s t i c s . c o m...
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Page 18: Option B
ARCS ® WIDE SYSTEM ARCS ® FOCUS SYSTEM user manual VERSION 4.0 Option B Connect an SP cable (SP.7, SP5, SP10 or SP25) to the OUT1/OUT2 and OUT3/OUT4 LA8 SpeakON ® connectors. Use a CC4FP adapter to connect an SP-YI cable and separate the two output channels. ... - Page 19 LA8 option A maximum configuration with SB18m ARCSWIFO_UM_EN_4.0 w w w . l - a c o u s t i c s . c o m...
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Page 20: Appendix Apreset Description
The [ARCS_WIFO_FI] preset allows for a reference frequency response in short throw applications. Default parameters Loudspeaker elements Amplifier outputs Channels Routing Gain Delay Polarity Mute ARCS WIDE/FOCUS OUT 1 IN A 0 dB 0 ms ARCS WIDE/FOCUS OUT 2 IN A 0 dB 0 ms... -
Page 21: Appendix Brecommandation For Speaker Cables
APPENDIX B RECOMMANDATION FOR SPEAKER CABLES Cable quality and resistance Only use high-quality fully insulated speaker cables made of stranded copper wire. Use cables of gauge offering low resistance per unit length and keep the cables as short as possible. The following table provides the recommended maximum length depending on the cable cross-section and on the impedance load connected to the amplifier. -
Page 22: Appendix Cspecifications
ARCS ® WIDE SYSTEM ARCS ® FOCUS SYSTEM user manual VERSION 4.0 APPENDIX C SPECIFICATIONS ARCS FOCUS 2-way passive enclosure, amplified by LA4 / LA4X / LA8 / LA12X Description Usable bandwidth (-10 dB) 55 Hz - 20 kHz ([ARCS_WIFO] preset) Maximum SPL 139 dB ([ARCS_WIFO] preset) Coverage angle (-6 dB) -
Page 23: Arcs Wide
ARCS WIDE Description 2-way passive enclosure, amplified by LA4 / LA4X / LA8 / LA12X Usable bandwidth (-10 dB) 55 Hz - 20 kHz ([ARCS_WIFO] preset) Maximum SPL 137 dB ([ARCS_WIFO] preset) Coverage angle (-6 dB) 30° × 90° LF 1 × 12", weather-resistant, bass-reflex. -
Page 24: Sb18M
ARCS ® WIDE SYSTEM ARCS ® FOCUS SYSTEM user manual VERSION 4.0 SB18m Description Subwoofer enclosure, amplified by LA4 / LA4X / LA8 / LA12X Low frequency limit (‑10 dB) 32 Hz ([SB18_100] preset) Maximum SPL 138 dB ([SB18_100] preset) RMS power handling 700 W Transducers... - Page 25 L-Acoustics 13 rue Levacher Cintrat - 91460 Marcoussis - France +33 1 69 63 69 63 - info@l-acoustics.com www.l-acoustics.com...
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