SB15m user manual
Contents
1. COUSTICS 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 A complete L ACOUSTICS system includes enclosures amplified controllers cables rigging system and software applications 2 1 Loudspeaker enclosure SBl5m High power subwoofer i Loudspeaker system design Sound design aspects are beyond the scope of this document However the various applications of the system will be based on the loudspeaker configurations presented in this document 2 2 Powering and driving system LA4 or LA8 Amplified controller with DSP preset library and networking capabilities i Operating instructions Refer to the LA4 and LA8 user manuals 2 3 Loudspeaker cables DO cables 8 point PA COM loudspeaker cables DO 7 DOIO DO25 Respective lengths of 1 0 m 2 3 ft 10 m 32 8 ft and 25 m 82 ft Breakout cable for four passive enclosures US DEO PA COM to 4 x 2 point SpeakON SP cables 4 point SpeakON loudspeaker cables SP 7 SP5 SP10 SP25 Respective lengths of 0 m 2 3 ft 5 m 16 4 ft 10 m 32 8 ft and 25 m 82 ft Breakout cable for two passive enclosures SP YI 4 point to 2 2 point SpeakON Provided with CC4FP adapter i Information about the connection of the enclosures to the LA amplifiers is given in this document Refer to the LA4 and LA8 user manuals for detailed instruc2. RIPTION 12 PEIS OS 12 SBIS 100 C3EGIOIE team Maii 12 APPENDIXB RECOMMANDATION FOR SPEAKER CABLES 12 APPENDIX SBl5m SPECIFICATIONS 13 1 SB15m SUBWOOFER The SBI5m is the recommended subwoofer for the KIVA system and the XT coaxial series from L ACOUSTICS It allows extending the system operating frequency range down to 40 Hz The SBl5m features one direct radiating 15 speaker in a bass reflex tuned enclosure It provides impact sensitivity low thermal compression and reduced distortion The vent features a progressive profile allowing laminar airflow and reduced turbulence noise even at the highest operating levels These combined properties contribute to the sonic qualities of the SBl5m in terms of precision and musicality The cabinet is made of first grade Baltic birch plywood to ensure maximum acoustical and mechanical integrity SBl5m subwoofers can be flown or ground stacked as a standalone array or within a vertical SBl 5m KIVA array pole mount socket is integrated into the cabinet for the mounting of one XT enclosure or two KIVA enclosures The SBl5m is driven and amplified by the LA4 or the LA8 controller These ensure linearization protection and optimization for the loudspeaker system in its different configurations cardioid included SB15m UM EN 1 0 WWW L AGOUSTIGCS COM SB15m SUBWOOFER USER MANUAL VERSION 1 0 2 SYSTEM COMPONENTS The system approach developed by L A
3. SB15m SUBWOOFER USER MANUAL VERSION 1 0 WWW L ACOUSTICS COM SB15m SUBWOOFER USER MANUAL VERSION 1 0 SAFETY INSTRUCTIONS I 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 5 Read the RIGGING MANUAL before installing the system Use the rigging accessories described in the rigging manual and follow the associated procedures SE 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 h at 90 dB A 30 min at 110 dB A less 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 b
4. e strictly followed to ensure proper installation or operation of the product i INFORMATION This symbol notifies the user about complementary information or optional instructions WWW L ACOUSTICS COM WELCOME TO L ACOUSTICS Thank you for choosing the L ACOUSTICS SB I 5m subwoofer enclosure 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 documents without prior notice Please check the L ACOUSTICS web site on a regular basis to download the latest documents and software updates ww l acoustics com CONTENTS SBI5m SUBWOOFER 3 2 SYSTEM COMPONENTS 4 2 1 L udspeaker enclostil 8 4 2 22 Powering ANG 4 2 3 Lodd peak r 4 P TRIB CI E E E E E EEE AEE AEA EA E 4 2 5 Se A al ADOC AION PEE A PE A TIEA A E D TT T T tie 4 3 LOUDSPEAKER CONFIGURATIONS 6 3 1 SS GAT A GC ONIN SUI AION shasta rence E E E EEE E E ES E 6 32 7 4 LOUDSPEAKER CONNECTION 8 4 ee ee re ee 8 42 Comecon LA 9 4 3 OC TO CAG T 10 APPENDIX PRESET DESC
5. length SB15m UM EN 1 0 WWW L AGCOUSTICS COM APPENDIX SB15m SPECIFICATIONS Subwoofer enclosure amplified by LA4 or LA8 Low frequency limit 10 dB 40 Hz SBI5 100 preset 135 dB SBI5 100 preset TI x 15 weather resistant bass reflex sa Integrated pole mount socket Coupling bars stored at handle position Rigging components Dimensions E N E E 520 mm 20 5 in Weight net 36 kg 79 4 Ib Cabinet Baltic birch plywood Finish Grey brown RAL 8019 or Pure white RAL 9010 Custom RAL code on order Physical data Front Steel grill with anti corrosion coating Airnet acoustically neutral fabric Protection Rating IP45 Rigging component High strength steel with anti corrosion coating Peak level at m under half space conditions using 10 dB crest factor pink noise with specified preset SB15m_UM_EN_1 0 WWW L AGCGOUSTIGCS COM Document reference SBl5m UM 1 0 Distribution date January 9 2013 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
6. option B maximum configuration SB15m_UM_EN_1 0 WWW L AGCGOUSTIGCS COM SB15m SUBWOOFER USER MANUAL VERSION 1 0 4 3 Connection to LA8 Maximum of 8 enclosures LA8 b 2 SBl5m can be connected in parallel to each output channel the LA8 Therefore a single LA8 amplified controller can drive up to 8 enclosures qb Cardioid configuration Connect the reversed subwoofers to OUT to use the cardioid preset To connect the SBl5m to the 8 2 options are available Impedance load for enclosure 4 for 2 enclosures Option A gt Connect a DO cable 00 7 DOIO or DO25 to the LA8 PA COM connector gt Use the DOSUB LAG to separate the four output channels each one feeding one or two SBI5m gt If necessary use SP cables to connect additional SB 5 enclosures in parallel with the first ones LA8 option A maximum configuration 5 15 1 0 WWW L AGCGOUSTICS COM Option B i With various enclosure types connected to the same amplifier this cabling scheme needs a custom preset gt Connect an SP cable SP 7 SP5 SP10 or SP25 to the OUTI OUT2 LA8 SpeakON connector gt Use a CC4FP adapter to connect an SP YI cable and separate the two output channels each one feeding one or two 5 5m P Apply the same cabling scheme for the OUT3 OUT4 LA8 SpeakON connector gt necessary use SP cables to connect additional SB 5m enclosures in parallel with the first one
7. rs delays may have to be added to the presets Refer to the LA4 or 8 PRESET LIBRARY user manual to obtain the pre alignment delay values OBLIGATION Place the subwoofer enclosures side by side If not possible the maximum distance between two adjacent acoustic centers must be 7 m SB15m_UM_EN_1 0 WWW L AGOUSTICS COM 3 2 Cardioid configuration In cardioid configuration a subwoofer system produces a rear SPL rejection It corresponds to the use of an array of four subwoofers with one reversed element i e turned towards the rear The SB 5 subwoofers are driven by the LA8 or the LA4 amplified controller with one factory preset offering a 100 Hz upper frequency limit In addition the preset features delay settings optimized for SBl5m arrays in cardioid configuration SB15m in cardioid configuration Directivity pattern Directivity pattern Horizontal symmetric Horizontal asymmetric Central rear rejection Rear rejection on the side of the reversed subwoofer A PRESET gt SBI5 100 C LF extension 10 dB 40 Hz Vertical Delay settings When combining a line source with subwoofers delays may have to be added to the presets Refer to the LA4 or LA8 PRESET LIBRARY user manual to obtain the pre alignment delay values OBLIGATION Place the subwoofer enclosures side by side If not possible the maximum distance between two adjacent acoustic center
8. s SP YI CC4FP CC4FP SP SP adaptor adaptor 8 option B maximum configuration WWW L ACOUSTICS cCOM SB15m_UM_EN 1 0 SB15m SUBWOOFER USER MANUAL VERSION 1 0 APPENDIX PRESET DESCRIPTION d The latest version of each PRESET LIBRARY and the corresponding user manuals are downloadable from the L ACOUSTICS web site SBI5 100 standard To use SBl5m subwoofers as single elements or arrays in standard configuration Accessible and blocked X parameters Inputs Outputs Elements to connect Routing Inputsignal A N MEM o o o oO Oo oO 2 INIM ME UN EN EM NM NM MM EMI IN o wee qoum lee qu gerere A B channel A IN input SB subwoofer output SBI5 100 cardioid To use SBl5m subwoofers as arrays in cardioid configuration Accessible O and blocked X parameters Elements to connect Routing i A B channel A IN input SB subwoofer output SR reversed subwoofer output APPENDIX 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 Recommended maximum
9. s must be 7 m SB15m UM EN 1 0 WWW L AGCGOUSTIGCS COM SB15m SUBWOOFER USER MANUAL VERSION 1 0 4 LOUDSPEAKER CONNECTION 4 1 Connectors The SBI5m subwoofer is equipped with two 4 point SpeakON connectors The IN connector allows receiving the audio signal and the LINK connector allows routing it to another SBl5m enclosure in parallel C The SBl5m connection in parallel is only possible with the LA8 amplified controller i Internal pinout for L ACOUSTICS subwoofer enclosures WWW L AGCOUSTICS cCOM SB15m_UM_EN 1 0 4 2 Connection to LA4 Maximum of 4 enclosures per LA4 SBl5m can be connected to each output channel the LA4 Therefore a single LA4 amplified controller can drive up to 4 enclosures qb Cardioid configuration Connect the reversed subwoofer to OUT to use the cardioid preset nm Impedance load 8 Q for SBl5m To connect the SBl5m to the LA4 2 options are available Option A gt Use SP cables 5 7 SP5 SP10 or SP25 to connect one 5 to each of the four LA4 output channels HANIA U LA4 option A maximum configuration Option B gt Connect an SP cable SP 7 SP5 SP10 or SP25 to the OUTI OUT2 connector of the gt Use a CC4FP adapter to connect an SP YI cable and separate the two output channels each one feeding one enclosure gt Apply the same cabling scheme for the OUT3 OUT4 connector LA4
10. tions about the whole cabling scheme including modulation cables and network 2 4 Rigging elements Rigging elements or procedures are not presented in this document Refer to the SB I 5m rigging manual 2 5 Software application SOUNDVISION Proprietary acoustical and mechanical 3D modeling software LA NETWORK MANAGER Remote control and monitoring of amplified controllers nm Using L ACOUSTICS software Refer to the SOUNDVISION user manual and the LA NETWORK MANAGER tutorial SB15m_UM_EN_1 0 WWW L AGOUSTICS COM DOSUB LA8 SP5 0 uL eme SP YI SPIO CC4FP SP25 eee LA Network Manager SB 5m system components excluding rigging elements and modulation cables SB15m_UM_EN_1 0 WWW L AGCOUSTICS COM SB15m SUBWOOFER USER MANUAL VERSION 1 0 3 LOUDSPEAKER CONFIGURATIONS 3 l Standard configuration In standard configuration a subwoofer system operates with an omni directional directivity pattern It corresponds to the use of subwoofers as single elements or as standard subwoofer arrays The SBl5m subwoofers are driven by the LA8 or the LA4 amplified controller with one factory preset offering a 100 Hz upper frequency limit SB 5 in standard configuration PRESET gt SBI5 100 Horizontal LF extension 10 dB 40 Hz Directivity pattern Omni directional Vertical Delay settings When combining a line source with subwoofe
Download Pdf Manuals
Related Search