L-Acoustics KARA User Manual
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L-Acoustics KARA User Manual

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KARA/KARAi
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  • Page 1 KARA/KARAi user manual (EN)
  • Page 2 KARA / KARA SYSTEM ® user manual VERSION 5.0 Document reference: KARA_UM_EN_5.0 Distribution date: April 11, 2017 © 2017 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.

  • Page 4: Table Of Contents

    KARA or KARAi system. 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 ®...

  • Page 5: Kara Wst System

    With a fixed horizontal directivity of 110° and a vertical inter-element variation from 0˚ to 10°, the KARA line source is fully configurable to match any audience geometry. The KARA system can be deployed either as a main system (FOH or distributed) with the SB18 subwoofer, as a compact complementary system (delays or fills), and even as a dedicated K1 downfill extension for stadium and arena concert applications.

  • Page 6: System Components

    Refer to the LA4X, LA8 and LA-RAK user manuals for detailed instructions about the whole cabling scheme, including modulation cables and network. Rigging element Rigging elements or procedures are not presented in this document. According to the enclosure version, refer to the KARA ® or KARAi SYSTEM rigging manuals. Software application SOUNDVISION Proprietary acoustical and mechanical 3D modeling software.
  • Page 7 DOFILL-LA8 DO10 DOSUB-LA8 SP10 DO25 DO3WFILL SP25 Soundvision LA Network Manager KARA system components (excluding rigging elements and modulation cables) KARA_UM_EN_5.0 w w w . l - a c o u s t i c s . c o m...

  • Page 8: Loudspeaker Configurations

    3 LOUDSPEAKER CONFIGURATIONS Line source Deployed as a standalone line source, a KARA system operates over the nominal bandwidth of the KARA enclosure. The [KARA] preset allows for a reference frequency response in long throw applications. The KARA enclosure can be driven by the LA4X or LA8 amplified controllers.

  • Page 9: Line Source With Low-Frequency Element

    Line source with low-frequency element In this configuration, a KARA line source deployed with SB18 or SB28 subwoofers, the system bandwidth is extended in the low-end. The [KARA] preset allows for a reference frequency response in long throw applications. The [SB_60] or [SB_100] presets provide the SB with an upper frequency limit at 60 Hz in separated configuration, or 100 Hz in closely coupled configuration, for an optimal frequency coupling with the KARA line source.
  • Page 10 KARA / KARA SYSTEM ® user manual VERSION 5.0 KARA line source + separated SB18 or SB28 Flown KARA array with ground-stacked SB18 Flown KARA array with ground-stacked SB28 Enclosure [PRESET] Recommended ratio Frequency range (-10 dB) KARA  [KARA] 3 KARA: 2 SB18 32Hz –...
  • Page 11 KARA line source + coupled SB18 + separated SB28 Recommended ratio 3 KARA : 1 SB18 : 1 SB28 Maximum number of enclosures 9 KARA + 3 SB18 Maximum distance between KARA and SB18 array 0,95 m Enclosure [PRESET] KARA  [KARA] SB18 ...

  • Page 12: Line Source Element

    VERSION 5.0 Line source element Deployed as a line source element, a KARA system operates without the low-end of the bandwidth. The [KARA_FI] preset provides a flat frequency response for short throw applications and a high-pass filter at 100 Hz.

  • Page 13: Loudspeaker Connection

    4 LOUDSPEAKER CONNECTION Connectors KARA The KARA enclosure is equipped with two 4-point SpeakON ® connectors wired in parallel. The IN connector allows receiving the audio signals, whereas the LINK connector allows routing them to another similar enclosure in parallel.

  • Page 14: Connecting Kara To La8

    VERSION 5.0 Connecting KARA to LA8 Maximum of 6 enclosures per LA8 3 KARA enclosures can be connected in parallel to each pair of output channels on the LA8 (1/2 and 3/4). Impedance load 1 enclosure 8 Ω 2 enclosures 4 Ω...
  • Page 15 Option B  Use an SP cable (SP5, SP10 or SP25) to connect one enclosure to each of the LA8 SpeakON connectors. ®  Use SP cables to connect additional similar enclosures in parallel with the first ones. KARA_UM_EN_5.0 w w w . l - a c o u s t i c s . c o m...
  • Page 16 KARA / KARA SYSTEM ® user manual VERSION 5.0 Option C This cabling scheme requires a custom preset.  Connect a DO cable (DO.7, DO10 or DO25) to the LA8 PA-COM connector. ®  Use a DO3WFILL to split the signal into one channel pair (2WAY) and two single channels (SUB1 and SUB2).

  • Page 17: Connecting Sb18 To La8

    Connecting SB18 to LA8 Maximum of 8 enclosures per LA8 2 SB18 can be connected to each output channel on the LA8. CARDIOID mode with SB18 Connect the reversed subwoofer to OUT 1. Impedance load 1 enclosure 8 Ω 2 enclosures 4 Ω Option A ...
  • Page 18 KARA / KARA SYSTEM ® user manual VERSION 5.0 Option B  Connect one SP cable (SP.7, SP5, SP10 or SP25) to both LA8 SpeakON connectors. ®  Use an SP-Y1 cable and a CC4FP adapter to split the audio signals into two channels, each one feeding one subwoofer.

  • Page 19: Connecting Sb28 To La8

    Connecting SB28 to LA8 Maximum of 4 enclosures per LA8 1 SB28 can be connected to each output channel on the LA8. CARDIOID mode with SB28 Connect the reversed subwoofer to OUT 1. Impedance load 1 enclosure 4 Ω Option A ...
  • Page 20 KARA / KARA SYSTEM ® user manual VERSION 5.0 Option B  Connect one SP cable (SP.7, SP5, SP10 or SP25) to both LA8 SpeakON connectors. ®  Use an SP-Y1 cable and a CC4FP adapter to split the audio signals into two channels, each one feeding one subwoofer.

  • Page 21: Connecting Kara To La4X

    Connecting KARA to LA4X Maximum of 4 enclosures per LA4X 2 KARA enclosures can be connected in parallel to each pair of output channels on the LA4X (1/2 and 3/4). Impedance load 1 enclosure 8 Ω 2 enclosures 4 Ω...

  • Page 22: Connecting Sb18 To La4X

    KARA / KARA SYSTEM ® user manual VERSION 5.0 Connecting SB18 to LA4X Maximum of 4 enclosures per LA4X 1 SB18 can be connected to each output channel on the LA4X. Impedance load 1 enclosure 8 Ω CARDIOID mode with SB18 Connect the reversed subwoofer to OUT1.

  • Page 23: Appendix Apreset Description

    [SB_60_C] The [SB_60] preset provides the SB enclosures with an upper frequency limit at 60 Hz, for an optimal frequency coupling with a separated KARA line source. It features optimized delay settings for SB arrays in cardioid configuration. Default parameters...

  • Page 24: Appendix Brecommandation For Speaker Cables

    [SB_100_C] The [SB_100] preset provides the SB enclosures with an upper frequency limit at 100 Hz, for an optimal frequency coupling with a coupled KARA line source. It features optimized delay settings for SB arrays in cardioid configuration. Default parameters...

  • Page 25: Appendix Cspecifications

    KARA Description 2-way active enclosure, bi-amplified by LA4X / LA8 / LA12X Usable bandwidth (-10 dB) 55 Hz - 20 kHz ([KARA] preset) Maximum SPL 141 dB ([KARA] preset) Horizontal : 110° symmetric Coverage angle (-6 dB) Vertical : dependent upon number of elements and array curvature LF: 2 ...
  • Page 26 KARAi 2-way active enclosure, bi-amplified by LA4X / LA8 / LA12X, for permanent Description installation. Usable bandwidth (-10 dB) 55 Hz - 20 kHz ([KARA] preset) Maximum SPL 141 dB ([KARA] preset) Coverage angle (-6 dB) Horizontal : 110° symmetric Vertical : dependent upon number of elements and array curvature LF: 2 ...
  • Page 27 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) RMS power handling 700 W 1  18" weather-resistant, direct radiation, dual bass-reflex Transducers Nominal impedance 8 Ω...
  • Page 28 KARA / KARA SYSTEM ® user manual VERSION 5.0 SB18i 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) RMS power handling 700 W Transducers 1 ...
  • Page 29 SB28 Description Subwoofer enclosure, amplified by the LA8 / LA12X Low frequency limit (‑10 dB) 25 Hz ([SB28_100] preset) Maximum SPL 142 dB ([SB28_100] preset) RMS power handling 1255 W 2  18" neodymium, weather-resistant, direct radiation, bass-reflex Transducers Nominal impedance 4 Ω...
  • Page 30 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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