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Related Manuals for L-Acoustics SB 18
Summary of Contents for L-Acoustics SB 18
- Page 1 SB18 (i/m) user manual (EN)
- Page 2 VERSION 6.0 Document reference: SB18_UM_6.0 Distribution date: March 9, 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
® This document contains essential information on using the system properly. Carefully read this document in order to become familiar with the system. As part of a continuous evolution of techniques and standards, L-ACOUSTICS reserves the right to ® change the specifications of its products and the content of its document without prior notice. -
Page 5: Sb18 Subwoofer Enclosure
SB18 SUBWOOFER ENCLOSURE The SB18 is the recommended subwoofer for modular WST line sources and coaxial enclosures. It allows extending ® the operating frequency range of the system down to 32Hz. The SB18 features one 18” neodymium speaker in a dual bass-reflex tuned enclosure. It provides impact, sensitivity, low thermal compression and reduced distortion. -
Page 6: System Components
VERSION 6.0 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 SB18 LA-RAK LA4X SPY1 DO.7 SP.7 DOSUB-LA8 DO10 SP10 DO3WFILL DO25 SP25 Soundvision LA Network Manager SB18 system components (excluding rigging elements and modulation cables) SB18_UM_EN_6.0 w w w . l - a c o u s t i c s . c o m...
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Page 8: Loudspeaker Configurations
SB18 / SB18 / SB18 subwoofer user manual VERSION 6.0 2 LOUDSPEAKER CONFIGURATIONS Standard configuration The standard configuration corresponds to the use of subwoofers as single elements or as standard subwoofer arrays. In this configuration the system operates with an omni-directional directivity pattern. The [SB18_60] preset offers a 60 Hz upper frequency limit. -
Page 9: Cardioid Configuration
Cardioid configuration The cardioid configuration corresponds to the use of subwoofers as cardioid subwoofer arrays. In this configuration, the system produces a rear SPL rejection. Refer to the Cardioid configurations technical bulletin. The [SB18_60_C] / [SB18_60_Cx] presets feature a 60 Hz upper frequency limit. The [SB18_100_C] / [SB18_100_Cx] presets feature a 100 Hz upper frequency limit. -
Page 10: Loudspeaker Connection
The IN connector allows receiving the audio signal and the LINK connector allows routing it to another SB18 enclosure in parallel. The SB18 connection in parallel is only possible with the LA8 or LA12X amplified controller. Internal pinout for L-ACOUSTICS ® subwoofers enclosures speakON ®... -
Page 11: Connection To La4 / La4X
Connection to LA4 / LA4X Maximum of 4 enclosures per LA4 / LA4X 1 SB18 can be connected to each output channel on the LA4. Therefore, a single LA4 amplified controller can drive up to 4 enclosures. Cardioid configuration Connect the reversed subwoofer to OUT 1 to use the cardioid preset. Impedance load 8 Ω... -
Page 12: Connection To La8
SB18 / SB18 / SB18 subwoofer user manual VERSION 6.0 Connection to LA8 Maximum of 6 enclosures per LA8 LA8 can drive up to 2 SB18 per output, but no more than 6 per controller at high level. Cardioid configuration Connect the reversed subwoofers to OUT 1 to use the cardioid preset. -
Page 13: Connection To La12X
Option B With various enclosure types connected to the same amplifier, this cabling scheme needs a custom preset. 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 14: Appendix Apreset Description
SB18 / SB18 / SB18 subwoofer user manual VERSION 6.0 APPENDIX A PRESET DESCRIPTION [SB18_60] or [SB18_100] The [SB18_60] preset provides the subwoofer enclosures with an upper frequency limit at 60 Hz. The [SB18_100] preset provides the subwoofer enclosures with an upper frequency limit at 100 Hz. It is used for SB18 subwoofers deployed as single elements or arrays in standard configuration. -
Page 15: Appendix Cspecifications
APPENDIX C SPECIFICATIONS SB18 Description Subwoofer enclosure, amplified by LA4X / LA8 / LA12X Low frequency limit (‑10 dB) 32 Hz ([SB18_100] preset) Maximum SPL 138 dB ([SB18_100] preset) Transducers 1 × 18" weather-resistant, direct radiation, dual bass-reflex Nominal impedance 8 Ω... - Page 16 SB18 / SB18 / SB18 subwoofer user manual VERSION 6.0 SB18i Subwoofer enclosure, amplified by LA4X / LA8 / LA12X, for permanent Description install Low frequency limit (‑10 dB) 32 Hz ([SB18_100] preset) Maximum SPL 138 dB ([SB18_100] preset) Transducers 1 ×...
- Page 17 SB18m Description Subwoofer enclosure, amplified by LA4X / LA8 / LA12X Low frequency limit (‑10 dB) 32 Hz ([SB18_100] preset) Maximum SPL 138 dB ([SB18_100] preset) Transducers 1 × 18" weather-resistant, bass-reflex Nominal impedance 8 Ω IN: 1 × 4-point speakON LINK: 1 ×...
- Page 18 L-Acoustics, an L-Group Company 13 rue Levacher Cintrat – 91460 Marcoussis – France +33 1 69 63 69 63 – info@l-acoustics.com www.l-acoustics.com L-Acoustics GmbH L-Acoustics Ltd. L-Acoustics Inc. Steiermärker Str. 3-5 PO. Box Adler Shine - Aston House 2645 Townsgate Road, Suite 600...
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