KARA®/KARAi SYSTEM
Contents
1. D This cabling scheme needs a dedicated custom preset One additional SB I8 can be connected in parallel with each of the first ones by using SP cables Maximum of 8 SB I 8 subwoofers per LA8 Maximum of 4 SB28 subwoofers per LA8 A 2 SBI8 subwoofers in parallel can be connected to each output channel on the LAN SB28 subwoofer can be connected to each output channel on the LAS PA COM standard Using cable other than specified in this document to connect a subwoofer via the PA COM connector of the LA8 may affect the acoustic results Refer to the LA8 PACOM CABLES technical bulletin Impedance load Ea 8 Q for SBI8 4 Q for 2 SB18 in parallel 4 Q for SB28 CARDIOID mode By connecting the reversed subwoofer to OUT 1 Option A and Option B allow using the cardioid preset SPK 4 OUTA SPK OUTI Connecting eight SB 8 to one LAS with the KARA UM EN 2 0 WWW L AGOUSTICS COM APPENDIX A PRESET DESCRIPTION i The latest version of each PRESET LIBRARY and the corresponding user manuals are downloadable from the L ACOUSTICS web site KARA full range To use the KARA line source in FULL RANGE mode in standalone configuration or in LOW EXTENSION mode in combination with SB subwoofers INA Input signal A IN A X O O O2. InputsignalB me x o OUT xTc Em OUT KARA enclosure OUT 3 OUT 4 KARA enclosure IN input signal A B channel A B LF low frequency transducer HF high frequency transducer KARA FI high pass To use KARA enclosures in HIGH PASS mode as single elements for a fill system az hputsisnalA INA ez o O O inputsignalB Nne x o o o OUT LF_A O x E X SUTI KARA enclosure HF A O X X OUT 3 ra ts fo Xx Xx x d Hees f o ee oe ov IN input signal A B channel A B LF low frequency transducer HF high frequency transducer X X X X SBxx xxj standard subwoofer To use SBXX subwoofers in STANDARD mode as single elements or as an array in standard configuration LA8 ME Routine Accessible O and locked X parameters Inputs Outputs i Input signal A Input signal B Subwoofer or OUT3 OUT4 IN input signal A B channel A B SB subwoofer SBxx xx C cardioid subwoofer To use SBXX subwoofers in CARDIOID mode as an array in cardioid configuration LA8 a ETA Routine Accessible O and blocked X parameters Inputs Ourputs i musaa INA mo o To o 7 keased NB xX o 0 lo IN input signal A B channel A B SB subwoofer SR reversed subwoofer KARA_UM_EN 2 0 WWW L AGOUSTICS COM KARA KARAI SYSTEM USER MANUAL VERSION 2 0 APPENDIX B SPECIFICATIONS FOR LOUDSPEAKER CABLES The following table prov
3. KARA downfill system for KI main system A preset allows using a KARA line source in HIGH PASS mode as a downfill system for KI In addition to a high pass filter at 100 Hz this dedicated preset provides the KARA system with a WST contour and specific delay settings in order to optimize the acoustic coupling between the KARA and KI line sources Refer to the KI SYSTEM user manual for details about the KARA DOWNFILL option WWW L ACOUSTICS COM KARA_UM_EN 2 0 4 LOUDSPEAKER CONNECTION 4 1 KARA connection The KARA is a 2 way active enclosure 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 KARA enclosure in parallel Internal pinout for L ACOUSTICS 2 way active enclosures SpeakON points 2 Transducer connectors LF HF The KARA is exclusively bi amplified by the L ACOUSTICS LA8 amplified controller To cable L ACOUSTICS 2 way active enclosures with the LA8 three options are available Option A gt Connect a DO cable DO 7 DOI0 or DO25 to the PA COM connector of the LA8 and use the DOFILL LA8 to split the audio signals into two channel pairs CH A and CH B each one feeding one enclosure Option B gt Use an SP cable SP5 SPIO or SP25 to connect one
4. document However the various applications of the system will be based on the operating modes presented in this document 2 2 Powering and driving system LA8 Amplified controller with DSP preset library and networking capabilities LA RAK Touring rack containing three LA8 for power audio signals and network distribution Operating instructions Refer to the LA8 and the LA RAK user manual 2 3 Loudspeaker cables DO cables DO 7 DO10 DO25 8 point PA COM loudspeaker cables respective lengths of 0 7m 2 3ft Om 32 8ft and 25m 82ft DOFILL LA8 Breakout cable for two 2 way active enclosures PA COM lt 2 x SpeakON DO3WFILL Breakout cable for one 2 way active enclosure and two passive enclosures PA COM lt 3 x SpeakON DOSUB LA8 Breakout cable for four passive enclosures PA COM lt 4 x SpeakON SP cables SP 7 SP5 SPIO SP25 4 point SpeakON loudspeaker cables respective lengths of 0 7m 2 3ft 5m 16 4ft IO0m 32 8ft and 25m 82ft SP Y Breakout cable for two passive enclosure SpeakON lt 2 x SpeakON i Information about the connection of the enclosures to the LA amplifiers is given in this document Refer to the LA8 and the LA RAK user manual for detailed instructions about the whole cabling scheme including modulation cables and network 2 4 Rigging elements A Rigging elements or procedures are not presented in this document According to the enclosure version refer to the KARA or KARAi SYSTEM ri
5. rigging system A wide range of system configurations are available for the sound designer and system engineer allowing high level of creative freedom With a fixed horizontal directivity of 10 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 SB 18 subwoofer as a compact complementary system delays or fills and even as a dedicated KI downfill extension for stadium and arena concert applications Before installation these configurations can be acoustically and mechanically modeled with the SOUNDVISION 3D simulation software As a distribution platform for power audio signals and network the LA RAK touring rack is the heart of the system It houses three LA8 amplified controllers Thanks to dedicated factory presets it constitutes an extremely advanced and precise drive system for the enclosures of the KARA system 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 This exclusive tool allows the engineer to quickly adjust the tonal
6. CH 3 KARA SBI8 SB28 ao Enclosure PRESET ClO KARA gt KARA Frequency range 10dB 25Hz 20kHz with SB28 32Hz 20kHz with SB18 Kolo sB18 gt SB18 100 SA SB28 gt SB28 60 LOO NI QQ Limits for close couplin OO Adjacent main sub lines distance lt 0 95 m Flown KARA SB 18 array Mixed main sub line maximum 9 KARA 3 SB x x with ground stacked SB28 Frequency range 10dB 25Hz 20kHz CO Delay settings When combining a line source with subwoofers delays may have to be added to the presets Refer to the LA8 PRESET LIBRARY user manual to obtain the pre alignment delay values Use SBxx xx CJ witha SB subwoofer array in cardioid configuration The cardioid configuration consists in reversing element in an array of 4 subwoofers Refer to the SBX X user manual for details about the CARDIOID mode KARA_UM_EN 2 0 WWW L AGOUSTICS COM KARA KARAI SYSTEM USER MANUAL VERSION 2 0 3 3 HIGH PASS mode In HIGH PASS mode the low end of the KARA bandwidth has been cut off It corresponds to the use of KARA enclosure as a single element typically as a fill system The KARA enclosure is driven by the LA8 amplified with a dedicated preset In addition to a high pass filter at 100 Hz the preset provides the enclosure with a neutral frequency response Single KARA enclosure Enclosure PRESET KARA gt KARA FI Frequency range 10dB IOOHz 20kHz
7. KARA KARAi SYSTEM USER MANUAL VERSION 2 0 KN sl AG MM 1 LR DIS Zn A H ES te _ cern wat vai H I j Z nse A E Sg wn e Cem d r a L E al Ce Sa Ge d i E ee R er GA En VUR LI nri LI U A di 7 Zar Far H e d TS MS LI a we si f WWW L ACOUSTICS COM KARA KARAI SYSTEM USER MANUAL VERSION 2 0 SAFETY INSTRUCTIONS I Read this manual 2 Heed all SAFETY INSTRUCTIONS as well as DANGER and OBLIGATION warnings 3 Never incorporate equipment or accessories not approved by L ACOUSTICS 4 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 5 Read the RIGGING MANUAL before installing the product Use the rigging elements described in the rigging manual and follow the associated procedures 6 Beware of sound levels Do not stay within close proximity of loudspeakers in operation and consider wearing earplugs Loudspeaker systems are capable of producing very high sound pressure levels SPL which can instantaneously lead to permanent hearing damage to performers production crew and audience members Hearing damage can also occur with prolonged exposure to sound 8 hat 90 dB A 30 min at 110 dB A l
8. balance of the system to reach a reference curve or to ensure consistency of the sonic signature KARA SYSTEM and KARAi SYSTEM In this document the KARA term and illustration will refer equally to KARA or KARAi In the same way the SB18 term and illustration will refer equally to SBI8 or SBI8i These products are different versions of the same enclosure and share the same operating modes presets and recommended configurations The rigging system of each version has been designed to accommodate a different use KARA and SB18 are optimized for touring market whereas KARAi and SB I 8i are optimized for fixed installation KARA_UM_EN 2 0 WWW L AGOUSTICS COM KARA KARAI SYSTEM USER MANUAL VERSION 2 0 2 SYSTEM COMPONENTS The system approach developed by L ACOUSTICS consists in offering a global solution that guarantee the highest and most predictable level of performance at any step of loudspeaker system deployment modeling installation and operation A complete L ACOUSTICS system includes enclosures amplified controllers cables rigging system and software applications The main components of a KARA SYSTEM are the following 2 1 Loudspeaker enclosures KARA Full range enclosure 50 Hz 20 kHz 2 way active variable curvature WST line source SB18 High power compact subwoofer down to 32 Hz SB28 High power subwoofer down to 25 Hz i Loudspeaker system design Sound design aspects are beyond the scope of this
9. enclosure to one of the two SpeakON connectors of the LAS Repeat with a second enclosure if needed Option C gt Connect a DO cable DO 7 DO10 or DO25 to the PA COM connector of the LA8 and use the DO3WFILL to split the audio signals into one channel pair feeding one KARA enclosure and two single channels each one feeding one SB subwoofer This cabling scheme needs a dedicated custom preset Two additional KARA enclosures can be connected in parallel with each of the first ones by using SP cables Maximum of 6 KARA 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 PA COM standard Using cable other than specified in this document to connect a 2 way active enclosure via the PA COM connector of the LA8 may lead to speaker damage Refer to the LA8 PACOM CABLES technical bulletin Impedance load 8 Q for enclosure 4 Q for 2 enclosures in parallel 2 7 Q for 3 enclosures in parallel D gt E DOFILL LA8 KARA_UM_EN 2 0 WWW L AGOUSTICS COM KARA KARAI SYSTEM USER MANUAL VERSION 2 0 4 2 SBI8 and SB28 connection The SB18 subwoofer is equipped with two 4 p
10. ess than 4 min at 130 dB A SYMBOLS The following symbols are used in this document DANGER This symbol indicates a potential risk of harm to an individual or damage to the product It can also notify the user about instructions that must be strictly followed to ensure safe installation or operation of the product OBLIGATION This symbol notifies the user about instructions that must be strictly followed to ensure proper installation or operation of the product INFORMATION i This symbol notifies the user about complementary information or optional instructions CONTENTS KARA SYSTEM 3 2 SYSTEM COMPONENTS 4 3 OPERATING MODES 6 31 FOLE RANGE un 6 32 LOVAEATENSION MOGAE a ie 6 3 3 HISEI BASS E E 8 4 LOUDSPEAKER CONNECTION 9 RPP COMMAS CUO NEE 9 e GEN BE IO APPENDIX A PRESET DESCRIPTION H KARA i cu II AI 0 ee H KARA EL ISA Dass ee a at a SBxx_xx standard subwoofer eesssesseeessssssesssssressssesreessssssresssssreesssesteesssssstesssseeeesssestteessssteesssssreeessesteeesssseessssseeee ISBXX xx C cardioid SUDWOQ IET nee een APPENDIX B SPECIFICATIONS FOR LOUDSPEAKER CABLES 12 KARA UM EN 2 0 WWW L ACDUSTICS COM WELCOME TO L ACOUSTICS Thank you for choosing the L ACOUSTICS 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 ev
11. gging manual 2 5 Software applications SOUNDVISION 3D acoustical and mechanical modeling LA NETWORK MANAGER Remote control and monitoring of amplified controllers i Using L ACOUSTICS software Refer to the SOUNDVISION user manual and the LA NETWORK MANAGER tutorial KARA UM EN 2 0 WWW L AGOUSTICS COM SP Y p e DOFILL LA8 SP 7 SP5 DOSUB LA8 DOIO d SP10 DO25 SP25 caf oo Soundvision LA Network Manager KARA SYSTEM components excluding rigging elements and modulation cables ina KARAI SYSTEM KARAI and SB18i enclosures replace KARA and SB18 enclosures KARA_UM_EN 2 0 WWW L AGOUSTICS COM KARA KARAI SYSTEM USER MANUAL VERSION 2 0 3 OPERATING MODES 3 1 FULL RANGE mode In FULL RANGE mode the KARA system operates over the nominal bandwidth of the enclosure It corresponds to the use of the KARA line source in standalone configuration i e without complementary subwoofers The KARA enclosure is driven by the LA8 amplified controller with a dedicated factory preset Standalone KARA line source Enclosure PRESET KARA gt KARA Frequency range 10dB 55Hz 20kHz 3 2 LOW EXTENSION mode In LOW EXTENSION mode the bandwidth of the KARA system is extended in the low end It corresponds to the use of a KARA line source in combination with the SBI8 subwoofer the SB28 subwoofer or both
12. ides the recommended maximum length depending on the cable cross section and on the impedance load connected to the amplifier 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 Recommended maximum length BS DOR 2 7 Q load m KARA UM EN 2 0 WWW L ACDUSTICS COM KARA UM EN 2 0 WWW L AGOUSTICS COM KARA KARAI SYSTEM USER MANUAL VERSION 2 0 KARA UM EN 2 0 WWW L ACDODUSTICS COM KARA UM EN 2 0 WWW L AGOUSTICS COM Document reference KARA_UM_EN 2 0 Distribution date June 13 2012 2012 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 WWW L ACOUSTICS COM
13. oint SpeakON connectors SBI The IN connector allows receiving the audio signal whereas the LINK connector allows routing it to another SB 18 enclosure in parallel LA8 only 5B18 parallel connection is only possible with the LA8 amplified controller Refer to the SBI8 user manual for connection to the LA4 IN LINK The SB28 subwoofer is equipped with one 4 point SpeakON connector KE Internal pinout for L ACOUSTICS subwoofers SpeakON points l 2 Transducer connectors LF Not used To cable L ACOUSTICS subwoofers with the LA8 three options are available Option A gt Connect a DO cable DO 7 DO10 or DO25 to the PA COM connector of the LA8 and use the DOSUB LA8 to split the audio signals into four channels each one feeding one SB subwoofer of the same type Option B gt Connect an SP cable SP 7 SP5 SP10 or SP25 to one of the SpeakON connectors of the LA8 and use the SP YI cable to split the audio signals into two channels each one feeding one subwoofer The CC4FP adaptor allows interfacing the SP and SP YI cables Apply the same cabling scheme with the other LA8 SpeakON connector Option C gt Connect a DO cable DO 7 DOIO or DO25 to the PA COM connector of the LA8 and use the DO3WFILL to split the audio signals into one channel pair feeding one 2 way active enclosure and two single channels each one feeding one SB subwoofer
14. olution of techniques and standards L ACOUSTICS reserves the right to change the specifications of its products and the content of its documents without prior notice Please check the L ACOUSTICS web site on a regular basis to download latest updates for documents and software www l acoustics com 1 KARA WST SYSTEM With a design inspired from the KI stadium system the KARA WST system is the high end modular line source from L ACOUSTICS Utilizing the unrivalled characteristics of WST Wavefront Sculpture Technology the KARA system delivers clarity precision and a unique proximity effect for the audience to enjoy an incomparable listening experience The main system components consist of the following e KARA full range element operating from 55 Hz to 20 kHz e SBI8 low frequency extension operating down to 32 Hz e LA RAK touring rack fitted with three LA8 amplified controllers The KARA delivers a considerable number of improvements over the previous generation of line sources particularly with regard to directivity control in the horizontal plane transducers resources for increased operating bandwidth and coherence vertical coverage capability and extensive choice of operating modes to accommodate various LF contour requirements The compact size and low weight of a KARA line source complies with rigging and visual limitations Any on site deployment can be easily and quickly achieved thanks to an extremely ergonomic
15. the SBI8 and the B28 Each enclosure type is driven by the LA8 amplified controller with a dedicated factory preset The KARA enclosure is driven by the same preset as in standalone configuration The upper freguency limit of the preset driving the SB subwoofer will depend on the coupling conditions COUPLED or SEPARATED in sub main system combination To achieve close coupling respect the maximum distance between adjacent lines or the maximum mixed line configuration When exceeding these limits refer to the presets and ratios corresponding to separated subs KARA line source coupled SB subwoofers e Recommanded ratio 3 KARA SBxx Ge OO gg Limits for close couplin O Adjacent main sub lines distance lt 0 95 m O Mixed main sub line maximum 9 KARA 3 SB x x PRESET Ql Enclosure KARA KARA SBxx subwoofer B SBxx 100 OO Frequency range 10dB Se 25Hz 20kHz with SB28 32Hz 20kHz with SB18 Flown KARA array Flown or ground stacked KARA array beside flown SBIB array KARA SB I8 array stacked on SB28 KARA UM EN 2 0 WWW L AGOUSTICS COM KARA line source separated SB subwoofers Recommanded ratio 3 KARA 2 SBI8 2 KARA l SB28 Enclosure PRESET Flown KARA array Flown KARA array KARA gt KARA with ground stacked SBI8 with ground stacked SB28 SBxx subwoofer ISBxx 60 OO AO fol Recommended ratio
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