SB18 compact high power subwoofer
Contents
1. cable from LINK A to IN B on the rear panel of the LA4 refer to the LA4 User manual 3 4 Figure 8 Four SBI8 connected to an LA4 mono configuration OUT IN A SB18 UM ML 1 0 WWW L AGOUSTICS COM S5B18 COMPACT HIGH POWER SUBWOOFER USER MANUAL VERSION 1 0 OUT 4 IN A el el ele Notes Each enclosure on the right is linked to the enclosure on the left using a SpeakON cable OUT 3 IN A OUT 2 IN A The stereo configuration is also available on the LAN pm Figure 9 Eight SB I8 connected in parallel to an LA8 mono configuration 7 2 3 SBI8 60 and SBI8 100 presets The SBI8 60 preset features a 60 Hz low pass filter allowing the SBI8 to be used as a subwoofer companion for KUDO KARA KIVA KILO and ARCS systems The SBI8_ 100 preset features a 100 Hz low pass filter allowing the SBI8 to be used as a subwoofer companion for closely coupled KARA ARCS and XT systems The recommended ratios are 2 SBI8 for each of the following 3 KUDO 2 ARCS 6 KIVA 2 KILO four 8XT two 12XT or two I5XT HiQ The SBI8 KARA ratio can be 1 3 or 2 3 depending on the configuration refer to the KARA User manual 3 4 Activate the LOAD PRESET menu from the LA4 or LA8 amplified controller front panel and then select the desired preset Refer to the LA4 or LA8 User manual 3 4 for additional instructions The presets are also acces2. The L ACOUSTICS SBIS8 is the universal subwoofer designed for modular or fixed angle WST line sources KUDO KIVA KILO KARA ARCS and coaxial systems XT lowering the combined system operating range down to 32 Hz Its compact size and integrated rigging make it extremely well suited for flown coupled configurations with KARA refer to the KARA Rigging manual 3 4 The system approach developed by L ACOUSTICS for SBI8 consists of the elements needed to fully optimize the possible configurations The main components of the system are see also Figure and Figure 2 SBI8 Compact high power subwoofer M BUMP Structure for flying or stacking a vertical KARA and or SB18 array M BAR Extension bar for M BUMP M JACK Stacking bases x4 for vertical KARA and or SB18 arrays SBI8PLA Removable front dolly board for SBI8 SBI8COV Protective cover for SBI8 8XT I2XT II5SXT HiQ XT coaxial range enclosures KIVA ARCS KARA gt 2 way WST systems KUDO m 3 wav WST system KILO LF extension for KIVA LA4 LA8 gt Amplified controllers LA RAK Touring rack containing three LA8 amplified controllers LA NETWORK MANAGER 7 Remote control software SOUNDVISION Acoustical and mechanical modeling software The SBI8 subwoofer is compatible with standard L ACOUSTICS accessories These accessories include the L ACOUSTICS SP 7 SP10 and SP25 Loudspeaker cables with respective lengths of 0 7 m 2 3 ft 10 m 32 8
3. horizontal arrays provide directive coverage patterns in the horizontal plane recommended to set the distance at 0 as shown in Figure 9 If two or more basic arrays are intended to be used in close proximity from each other it is If it is not possible the maximum distance between two acoustic centers is 2 8 m in the 32 60 Hz frequency bandwidth and 1 7 m in the 32 100 Hz bandwidth Note In the STANDARD mode the SB 18 enclosures can also be used in stereo or distributed configurations SB18 UM ML 1 0 WWW L AGOUSTICS COM VERTICAL ON END HORIZONTAL Figure 6 SB 8 basic standard arrays 7 2 2 Connecting the SBI8 to the LA4 or LA8 Each of the SBI8 enclosures is connected to an LA4 or LA8 output channel ranging from channel through 4 On the LA8 only additional cabinets can be grouped in pairs in parallel with the first ones Therefore a single LA4 amplified controller can drive up to four SBI8 enclosures Figure 7 and Figure 8 and a single LA8 amplified controller can drive up to eight SB18 enclosures Figure 9 Note The system resources are optimized for a multiple of four SBI8 enclosures OUT IN A OUT 2 INA OUT 4 IN A Note All output channels have been routed to IN A by using the INPUT MATRIX function on LA NETWORK MANAGER Software refer to the LA NETWORK MANAGER User manual 3 4 OUT 3 IN A OUT 2 IN A Alternative solution Plug an XLR
4. 3 SBI8 60 C and SBI8 100 C presets The SBI8 60 C preset features a 60 Hz low pass filter allowing the SBI8 to be used as a subwoofer companion for KUDO KARA KIVA KILO and ARCS systems The SBI8 100 CJ preset features a 100 Hz low pass filter allowing the SBI8 to be used as a subwoofer companion for closely coupled KARA ARCS and XT systems The recommended ratios are 4 SBI8 for each of the following 6 KUDO 4 ARCS 12 KIVA 4 KILO eight 8XT four I2XT or four 15XT HiQ The SBI8 KARA ratio can be 1 3 or 2 3 depending on the configuration refer to the KARA User manual 3 4 Activate the LOAD PRESET menu from the LA4 or LA8 amplified controller front panel and then select the desired preset Refer to the LA4 or LA8 User manual 3 4 for additional instructions The presets are also accessible using LA NETWORK MANAGER Software refer to the LA NETWORK MANAGER User manual 3 4 The following table shows the accessible parameters in CARDIOID mode Table 4 Accessible parameters in CARDIOID mode LA4 or LA8 Ei er Preset Accessible O and blocked X parameters ements to connec l NA mega ma X o o o NB reegt NB x Oo o 0 IN input signal A channel A SB subwoofer SR reversed subwoofer Note The main system must be connected to additional amplified controllers See instructions in the applicable User manual 3 4 SB18 UM ML 1 0 wWWW L ACOUSTICS GOM S5B18 COMPACT HIGH PO
5. ft and 25 m 82 ft These cables allow connection of the SBI8 enclosure to the LA4 amplified controller Each cable is a 4 conductor cable with 4 mm conductor cross section 13 SWG AWG and features 4 point SpeakON connectors The combination of the L ACOUSTICS DOSUB LA8 Loudspeaker cable with the DO 7 DO10 or DO25 cable allows connection to the LA8 amplified controller These are 8 conductor cables with 4 mm conductor cross section and feature 8 point PA COM and or 4 point SpeakON connectors Note The PA COM standard is fully compatible with the CA COM standard The SBI8 can be driven and powered by both L ACOUSTICS LA4 and LA8 Amplified controllers 3 4 These ensure intelligent protection filtering and equalization of the enclosures Four channels of amplification are provided along with the factory LA4 or LA8 PRESET LIBRARY 3 4 ensuring the optimization and performance of the system within the limits of the recommended configurations Each full range system configuration should first be modeled and studied using L ACOUSTICS SOUNDVISION Software 3 4 Software predictions are based on the preset parameters stored in the amplified controllers Note The acoustic data are not available yet for subwoofers Up to 253 amplified controllers can be interconnected and monitored through the proprietary L ACOUSTICS L NET Network using LA NETWORK MANAGER Software 3 4 SB18 UM ML 1 0 wWWW L ACOUSTICS GOM S5B18
6. 2 o U D U l D J o u lt 3 3 3 i LJ Lu D D gt D J T i lu gt D d I D T D d L gt D D D D ij USER MANUAL VERSION 1 0 WWW L ACOUSTICS COM 1 SAFETY WARNINGS All information hereafter detailed applies for the L ACOUSTICS SBI8 Compact High Power Subwoofer designated in this section as the product I 1 Symbol description Throughout this manual the potential risks are indicated by the following symbols proximity to the product T The WARNING symbol indicates a potential risk of physical harm to the user or people within close In addition the product may also be damaged AN The CAUTION svmbol notifies the user about information to prevent possible product damage AN The IMPORTANT svmbol is a notification of an important recommendation of use 1 2 Important safety instructions Read this manual 2 Heed all safety warnings 3 Follow all instructions 4 The user should never incorporate equipment or accessories not approved by L ACOUSTICS 5 Sound Levels Sound systems are capable of producing high Sound Pressure Levels which can be dangerous and potentially cause hearing damage especially when exposed to them over a long period of time Do not stay within close proximity of the loudspeakers when operating 6 Heat AN Do not operate the product near anv heat source such as radiators or other devices 7 Water and moisture Even if the p
7. 7 2 3 SBS 60 and SBIS 00 presets 318 i 222 14 CARDIOID II de ne nee ei ee ee alk 5 7 3 1 RI lee 15 7 3 2 Connecting the SBI8 to the LA4 or LAS ss ss sssennenennnzzennnnnnzznenennnnzzznrenenzzznerenezzzznennenzsnenannnzzznenn 16 71 33 jSBIG 60 C and ISB18 100 RE 7 CARE AND MAINTENANCE 18 Maintenance Information E 18 Testine lee E 8 2 1 Acoustical Check E 18 822 Mechanical check i sense kosten kuranti dale bbe here 18 8 2 3 Extermaliaspett si iii nee BEI 18 Authorized SERVICE ll nass sense 19 8 3 1 Replacement kits and recommended tools 19 8 3 2 NOME EE l a tt 20 8 3 3 Protective edges and handles AAA 20 8 34 Pole mount SOCK CE eine 20 8 33 EE 21 8 36 GEET 2l SPECIFICATIONS 22 SB18_UM_ML_1 0 WWW L ACOUSTICS COM S5B18 COMPACT HIGH POWER SUBWOOFER USER MANUAL VERSION 1 0 3 INTRODUCTION 3 1 Welcome to L ACOUSTICS Thank you for purchasing the L ACOUSTICS SB18 Compact High Power Subwoofer This manual contains essential information on installing and operating the product correctly and safely Read this manual carefully in order to become familiar with these procedures As part of a continuous evolution of techniques and standards L ACOUSTICS reserves the right to change the specifications of the product and the content of this manual without prior notice Should the product requires repair or if information about the warranty is needed please contact an approved L ACOUSTICS dis
8. COMPACT HIGH POWER SUBWOOFER USER MANUAL VERSION 1 0 Four SB18 enclosures U SOUNDVISION SBI8PLA LA NETWORK MANAGER SBI8COV Figure I Components associated with the SB I8 subwoofer part I SB18 UM ML 1 0 WWW L AGODUSTICS COM 12XT II5XT HiQ we we KIVA KARA KUDO KILO SBI8 DOSUB LA8 DO 7 DOIO DO25 SP 7 SPIO SP25 Figure 2 Components associated with the SB I8 subwoofer part 2 SB18 UM ML 1 0 WWW L AGOUSTICS COM S5B18 COMPACT HIGH POWER SUBWOOFER USER MANUAL VERSION 1 0 5 SBI8 SUBWOOFER The L ACOUSTICS SBI8 Compact High Power Subwoofer is composed of a single 18 LF transducer loaded in a dual vented bandpass enclosure The transducer contains a 4 coil an aluminum die cast basket and a vented neodymium magnet The enclosure provides maximum SPL output and extended low frequency response in a highly compact and very low profile design The association of a specifically designed 18 transducer with a dual bass reflex tuned enclosure provides exceptional impact and high sensitivity low thermal power compression and reduced distortion The vents feature a progressive profile allowing laminar airflow and reduced turbulence noise even at the very highest operating levels These combined properties contribute to the sonic qualities of the SBI8 in terms of precision and musicality The nominal impedance of the SB18 subwoofer is 8 ohms A single SBI8 subwoofer g
9. CS COM WWW L ACOUSTICS COM Document reference SBI8 UM ML l 0 Distribution date October 21 2010 2010 L ACOUSTICS All rights reserved No part of this publication mav be reproduced or transmitted in anv form or bv anv means without the express written consent of the publisher CH d ta Q A B 2 M gt U d EA c o U d Ww ta a
10. Inspect the general aspect of the enclosure and attached parts no signs of deformation fissure or corrosion 2 Check that all parts are well secured to the enclosure grill transducer protective edges handles connector plate and pole mount socket 3 Check the quality of contact and locking action of the SpeakON sockets In case of mechanical trouble secure or replace the faulty component IF it is authorized 8 3 Otherwise contact an L ACOUSTICS authorized representative 8 2 3 External aspect I Remove the dust from the front face with a vacuum device 2 f necessary repaint the cabinet paint reference given in 8 3 1 If paint is applied protect the mechanical parts Do not apply paint to the front grill fabric as it could fill the holes and deteriorate the acoustic transparency SB18 UM ML 1 0 WWW L AGOUSTICS COM 8 3 Authorized service procedures 8 3 1 Replacement kits and recommended tools The replacement kits KR available for the customer are shown in Figure 13 and listed in Table 5 with reference to the corresponding service procedures Table 6 is a list of all tools and material needed for SB18 service not provided Service and repair work for any other part must be carried out by an L ACOUSTICS authorized ER representative Otherwise the customer may be exposed to dangerous situations and the warranty will no longer apply KR CNTXTI KR MCEMB3 gt Z Front bass re
11. T30 Torx bit 5 mm hex bit KR LOCKBLUE Protective edge removal procedure x4 I Remove the 5 Torx screws T30 bit from the protective edge 2 Remove the protective edge Protective edge mounting procedure x4 I Install the protective edge with stacking base oriented towards the bottom of the enclosure 2 Screw in two 35 mm flat head Torx screws to the extremities of the protective element located on the top and bottom faces of the enclosure thread locker 130 bit 3 N m 27 in b 3 Screw in three 35 mm round head Torx screws to the side of the protective element located on the side face of the enclosure thread locker 130 bit 3 N m 27 in lb Handle removal procedure x2 I Remove the 4 hex screws and flat washer 5 mm hex bit from the handle 2 Remove the handle Handle mounting procedure x2 I Install the handle on the enclosure 2 Screw in four 55 mm hex screws with flat washers thread locker 5 mm hex bit 3 N m 27 in lb 8 3 4 Pole mount socket Replacement kit and tools KR MCEMB3 electric screwdriver with torque selector N m or in lb T30 Torx bit KR LOCKBLUE Pole mount socket removal procedure I Remove the 4 Torx screws T30 bit from the pole mount socket 2 Remove the pole mount socket and the joint Pole mount socket mounting procedure I Puta joint on the pole mount socket location on the enclosure 2 Install the pole mount socket screw in four 35 mm flat head Torx scre
12. WER SUBWOOFER USER MANUAL VERSION 1 0 86 CARE AND MAINTENANCE 8 1 Maintenance information The L ACOUSTICS SBI8 enclosure has been designed for various intensive indoor and outdoor sound reinforcement applications To fulfill such demanding conditions SB18 contains high grade and reliable components e Weather resistant transducer e Baltic birch plywood cabinet e Polyester powder coated steel grill e Airnet high resistant non biodegradable front grill fabric e Oxidation resistant screws and rigging points However in order to ensure product performance and safety it is essential to frequently inspect the SBI8 cabinet These checks need to be done on a regular basis depending on the conditions of use The testing procedure consists of three steps as described in 8 2 8 2 Testing procedure 8 2 1 Acoustical check Connect a sweep frequency generator to the active input of the amplified controller Apply a sweep from 32 to 100 Hz with a maximum voltage of 0 5 volts 4 dBu 6 dBV the sound should remain pure and free of unwanted noise AN 0 5 volts is a maximum value that can generate very high sound levels at given frequencies Use ear protection to set the sound level before testing In case of acoustical trouble apply the Mechanical check 8 2 2 to verify if it is due to a structural vibration If the problem persists replace the faulty electrical component 8 3 5 8 3 6 8 2 2 Mechanical check
13. anel location on the enclosure Install the front bass reflex panel in the enclosure and screw in ten 35 mm flat head Torx screws thread locker 130 bit 7 N m 63 in lb Install the front face on the enclosure 8 3 2 Front face mounting procedure 8 3 6 Connector plate Replacement kit and tools KR CNTXTI electric screwdriver with torque selector N m or in lb T30 Torx bit 5 mm hex bit KR LOCKBLUE Connector plate removal procedure I 2 Remove the transducer 8 3 5 Transducer removal procedure Remove the 4 Torx screws T30 bit from the connector plate and remove the connector plate Connector plate mounting procedure 2 Install the connector plate on the enclosure and screw in four 35 mm flat head Torx screws thread locker T30 bit 3 N m 27 in lb Mount the transducer 8 3 5 Transducer mounting procedure SB18 UM ML 1 0 wWWW L ACOUSTICS GOM S5B18 COMPACT HIGH POWER SUBWOOFER USER MANUAL VERSION 1 0 9 SPECIFICATIONS Reference SB18 Frequencv response Low frequency limit 10 dB 32 Hz ISBI8 100 preset Maximum SPL 136 dB SBI8 100 preset Nominal directivity Single element Omni directional Cardioid array Maximum rejection to the rear 10 dB Transducer x 18 weather resistant 4 coil aluminum die cast basket vented neodymium magnet loaded in a dual vented bandpass enclosure Nominal impedance 80 Long term RMS handling 700W ISBI8 100 preset Connectors 2 x 4 p
14. enerates an omni directional coverage pattern The SB18 cabinet is made of high grade Baltic birch plywood with remarkable mechanical and acoustical properties for improved long term durability Pole mont socket Rigging arm and T BLP x4 Front locator stud x2 6x2 Rigging point and stacking base x4 Protective edge x4 Connector plate Figure 3 The SBI8 subwoofer SB18 UM ML 1 0 WWW L AGOUSTICS COM 6 INSTALLATION 6 1 SBI8 transport The optional L ACOUSTICS SBI8PLA dolly board see Figure can be secured to the SB18 enclosure by inserting both captive pins in the front locator studs of the subwoofer see Figure 3 thus allowing easy transportation and protection of the enclosure AN It is recommended to use the L ACOUSTICS SBI8COV protective cover see Figure 1 in conjunction with the SBI8PLA IMPORTANT 6 2 SBIS flying or stacking The SBI18 fully integrated four point rigging system allows the following setups see also Figure and Figure 3 e Flying a vertical array of up to 16 SBI8 using the L ACOUSTICS M BUMP structure The M BAR element can also be added depending on the configuration e Stacking a vertical array of up to 8 SBI8 using the L ACOUSTICS M BUMP M BAR and M JACK elements e Stacking a vertical array of up to 8 SBI8 directly on the ground for perfectly horizontal and regular surfaces ONLY e Mounting
15. factor still greater than 20 SB18 UM ML 1 0 wWWW L ACOUSTICS GOM S5B18 COMPACT HIGH POWER SUBWOOFER USER MANUAL VERSION 1 0 7 OPERATION 7 1 System configuration Two operation modes STANDARD and CARDIOID associated with a set of factory presets will allow building all the common configurations C LR LCR distributed ARCSUB The function of the SBI8 is to extend the low frequency response of a main system down to 32 Hz An SBI8 array can be used in the STANDARD or CARDIOID mode whether the coverage pattern is intended to be omni directional or to feature rear and or side SPL rejection respectively AN ALWAYS check that each SB18 enclosure is connected to the correct output channel before operating CAUTION Note The latest versions of the LA4 and LA8 PRESET LIBRARIES are downloadable from the L ACOUSTICS web site 3 4 7 2 STANDARD mode 72 1 Description The STANDARD mode consists in arraving all SBI8 subwoofers with front grills facing the audience so as to obtain an omni directional coverage pattern The associated standard presets are available in both LA4 and LA8 PRESET LIBRARIES The basic arrays contain four enclosures Several basic arrays can then be put together to form larger ones The recommended basic standard arrays are the following see also Figure 6 e The vertical and block array provide omnidirectionnal coverage patterns in the horizontal plane e The on end and
16. flex panel KR SBI8GR replacement kit not available KR PIN6O KR HPBCI82 Figure 13 SBI8 exploded view Table 5 Replacement kits and utilities Description Table 6 Recommended tools and material Electric screwdriver with torque selector N m or in lb T30 Torx bit SB18 UM ML 1 0 WWW L AGOUSTICS COM S5B18 cCOMPACT HIGH POWER SUBWOOFER USER MANUAL VERSION 1 0 8 3 2 Front face Replacement kit and tools KR SBI8GR electric screwdriver with torque selector N m or in Ib T30 Torx bit KR LOCKBLUE Front face removal procedure FR kr bl P 4 Top screw A I Put the enclosure with front side facing the user and logo oriented downwards 2 Remove both top and bottom Torx screws T30 bit from the right front protective edge Note It is not necessary to remove the center screw 1 l l f 3 Remove the front face by pulling its right edge out and then extracting its left 4 Center screw studs from the enclosure pi lt Bottom screw Figure 14 Right protective edge Front face mounting procedure I Insert the studs of the front face into the left edge of the enclosure and push the right edge in place 2 Screw in both 35 mm round head Torx screws to the protective edge thread locker T30 bit 3 N m 27 in lb 8 3 3 Protective edges and handles Replacement kit and tools KR SBI8PRO electric screwdriver with torque selector N m or in lb
17. lace during the product lifetime This manual forms an integral part of the product Reselling of the product is only possible if the user manual is available Any changes made to the product have to be documented in writing and passed on to the buyer in the event of resale 1 3 EC declaration of conformity L ACOUSTICS 3 rue Levacher Cintrat Parc de la Fontaine de Jouvence 91462 Marcoussis Cedex France States that the following product Loudspeaker enclosure SB18 Is in conformity with the provisions of Low Voltage Directive 2006 95 EC Applied rules and standards EN60065 Electrical Safety Established at Marcoussis France March I 2010 Christophe Pignon Head of Research amp Development dept SB18 UM ML 1 0 WWW L AGOUSTICS COM w N 3 1 3 2 3 3 3 4 6 1 6 2 6 3 7 4 7 2 7 3 8 3 CONTENTS SAFETY WARNINGS l See el ele d WE important safety instructions ii i a ak inte EC Geclar ation Ol EEN 2 CONTENTS 3 INTRODUCTION 4 Welcome to 2A COUS TICS entenia ie ee een ns 4 SN el gie d EE 4 ue Cl 4 AE sonal Sata tae psa tit en ea ae een ales ces oa ee lata Seta tae ee dates tata ee g ada lan et 4 SYSTEM APPROACH 5 SBI8 SUBWOOFER 8 INSTALLATION 9 SBS transport nie ia ai a i aa ai ai 9 SEENEN 9 SBIS COMECON TA 9 OPERATION 12 System ONTIE UFAtIO EE 2 STANDARD OGG E 12 7 2 1 Descrip OW a ee u en 2 72 2 Connecting the SBIS to the LAG or LAS ave nn a ee a el d E RAINA 13
18. oint SpeakON wired in parallel Dimensions W x H x D 750 x 540 x 707 mm 29 5 x 21 3 x 27 8 inch 750mm 29 5 in d a E E Nr L 553mm 21 8 in SIDE COTE TOP DESSUS Weight 52 kg 115 Ibs Vertical array rigging gt L ACOUSTICS M BUMP rigging frame Certified for flying up to 16 SBI8 or stacking up to 8 5B18 gt L ACOUSTICS M BAR extension bar and M JACK stacking bases x4 for M BUMP stacked configurations gt Integrated stacking bases Certified for stacking up to 8 SBI8 without M BUMP for perfectly horizontal and regular surfaces ONLY Pole mounting gt Integrated 35 mm 1 4 inch socket for single XT or dual KIVA pole mounting Shipping gt L ACOUSTICS SBI8PLA front dolly board gt L ACOUSTICS SBI8COV protective cover External structure Material Baltic birch plywood Finish Grey Brown RAL 8019 Front Polyester powder coated steel grill Airnet acoustically neutral fabric Rigging components Zinc and polyester powder dual coated steel Handles protective elements High density polyethylene polyamide l Peak level measured at Im under half space conditions using 10 dB crest factor pink noise with specified preset and corresponding EQ settings 2 Installation safety limits are specified in SOUNDVISION Software which is designed to help with L ACOUSTICS product implementation SB18 UM ML 1 0 WWW L AGOUSTICS COM WWW L ACOUSTICS COM WWW L ACOUSTI
19. one XT or two KIVA enclosures using the built in 35 mm 1 4 inch pole mount socket to easily create a compact FOH system Refer to the SBI8 Rigging manual 3 4 to get acquainted with the SBI8 system specific rigging procedures and mechanical limits WARNING 6 3 SBI8 connection The SBI8 subwoofer can be driven and powered by both dedicated L ACOUSTICS LA4 and LA8 amplified controllers The LA4 can drive up to four SBI8 enclosures one per channel and the LA8 can drive up to eight SBI8 enclosures 2 per channel in parallel For further details please refer to the LA4 or LA8 User manual 3 4 The SBI8 is equipped with two 4 point SpeakON connectors wired in parallel allowing connection with a second SB18 in parallel using an L ACOUSTICS SP 7 link cable The SB18 connects to the LA4 using the L ACOUSTICS SP10 or SP25 cables see Figure 2 and Figure 4 and to the LA8 using the DOSUB LA8 amp cable in conjunction with the DO 7 DOI0 or DO25 cable see Figure 5 i i A maximum of one SB18 enclosure can be connected per LA4 output channel A maximum of two SBI8 enclosures can be connected per LA8 output channel CAUTION AN ALWAYS connect the new DOSUB LAS cable adaptor to the LA8 refer to the LAG CACOM CABLES Technical bulletin 3 4 NEVER use the old DOSUB one IMPORTANT SB18 UM ML 1 0 WWW L AGODUSTICS COM S5B18 COMPACT HIGH POWER SUBWOOFER USER MANUAL VERSION 1 0 The L ACOUSTICS wiring convention i
20. roduct is weather resistant it can not be exposed to moisture rain sea spray shower steam for a long period of time nor put in direct contact or partially immersed in water This would cause irreversible damage to exposed components 8 System parts and rigging inspection All system components must be inspected before use in order to detect any possible defects Please refer to the Care and Maintenance section of this manual as well as any other manuals pertaining to the system for a detailed description of the inspection procedure Any part showing any sign of defect must immediately be put aside and withdrawn from use to be inspected by qualified service personnel SB18 UM ML 1 0 wWWW L ACOUSTICS GOM S5B18 COMPACT HIGH POWER SUBWOOFER USER MANUAL VERSION 1 0 9 Mounting instructions Do not place the product on an unstable cart stand tripod bracket or table The product may fall and be AN seriously damaged and may cause serious human injury Any mounting of the product should follow the manufacturer s instructions given in this manual and should use a mounting accessory recommended by the manufacturer 10 Conditions which require immediate service Servicing is required when the product has been damaged in any way such as e The product has been exposed to rain or moisture e The product was dropped or the enclosure is damaged e The product does not operate normally II Manual Keep this manual in a safe p
21. s as follows SpeakON connector labels Connections to transducer IN SP10 or SP25 ESS ES ES E Ga BG NY DOSUB LA8 SP 7 DO 7 DOIO or DO25 Figure 5 Connecting two SB18 in parallel to an LA8 amplified controller SB18 UM ML 1 0 WWW L AGOUSTICS COM To ensure both high performance and safety L ACOUSTICS recommends the exclusive use of high AN qualitv fullv insulated speaker cables made of stranded copper wire In order to preserve a high damping factor it is desirable to keep loudspeaker cables as short as possible and with a gauge offering low resistance per unit length IMPORTANT The following table provides information regarding the recommended cable length versus conductor cross section Two cases are possible depending on the impedance load connected to the LA4 or LA8 8 2 for a single SBI8 enclosure 4 2 for two SB18 enclosures in parallel Table 2 Maximum cable length versus conductor cross section for Damping Factor gt 20 Length for SB18 8 Q load Length for 2 SB18 4 Q load SWG AWG According to the calculation in Table 2 a DO25 DOSUB LA8 cable combination can be used to power two SB18 in parallel 4 Q load with a damping
22. sible using LA NETWORK MANAGER Software refer to the LA NETWORK MANAGER User manual 3 4 The following table shows the accessible parameters in STANDARD mode Table 3 Accessible parameters in STANDARD mode LA4 or LA8 Preset Accessible O and blocked X parameters Inputs Outputs assignments IN input signal A channel A B channel B SB subwoofer Note The main system must be connected to additional amplified controllers See instructions in the applicable User manual 3 4 SB18 UM ML 1 0 WWW L AGODUSTICS COM 7 3 CARDIOID mode 7 3 1 Description The CARDIOID mode consists in arraying four SBI8 subwoofers with one of them facing the rear so as to obtain a rear and or side SPL rejection in the coverage pattern The associated cardioid presets are available in both LA4 and LA8 PRESET LIBRARIES The basic arrays contain four enclosures Several basic arrays can then be put together to form bigger ones The recommended basic cardioid arrays are the vertical block on end and horizontal arrays see also Figure 10 e All arrays provide rear rejection e The vertical array provides symmetric coverage pattern in the horizontal plane e The block on end and horizontal arrays provide asymmetric coverage pattern in the horizontal plane by generating additional rejection to the side of the reversed subwoofer If two or more basic arrays are intended to be used in close pro
23. tributor The address of the nearest distributor is available on the L ACOUSTICS web site 3 2 Symbol description All along the manual a bracketed number refers to a section For example 3 2 stands for the present Symbol description section 3 3 Unpacking Carefully open the shipping carton and check the product for any noticeable damage Each L ACOUSTICS product is tested and inspected before leaving the factory and should arrive in perfect condition If found to be damaged notify the shipping company or the distributor immediately Only the consignee may initiate a claim with the carrier for damage incurred during shipping Be sure to save the carton and packing materials for the carrier s inspection 3 4 Weblinks Please check the L ACOUSTICS web site on a regular basis for latest document and software application updates Table provides links for all downloadable items mentioned in this manual AN ALWAYS refer to the latest document version ALWAYS use the latest software application version Table Links to documents and software applications LA8 PRESET LIBRARY www l acoustics com la8 LA8 PRESET LIBRARY LA NETWORK MANAGER User manual www l acoustics com la network manager USER MANUAL SOUNDVISION Software wrw kacoustiescor soundyision 35 _5_1 LAG CACOM CABLES Technical bulletin www l acoustics com download Technical publications SB18 UM ML 1 0 WWW L AGOUSTICS COM 4 SYSTEM APPROACH
24. ws thread locker T30 bit 5 N m 45 in lb SB18 UM ML 1 0 WWW L AGOUSTICS COM 8 3 5 Transducer Replacement kit and tools KR HPBC182 electric screwdriver with torque selector N m or in lb T30 Torx bit 5 mm hex bit KR LOCKBLUE Transducer removal procedure P 2 Remove the front face 8 3 2 Front face removal procedure Remove the front bass reflex panel by removing the 10 Torx screws T30 bit and then remove the joint surrounding the panel location on the enclosure Remove the transducer by removing the 8 hex screws with split and flat washers 5 mm hex bit Pay attention no to bend the terminals Disconnect both red and black cables from the transducer s electrical sockets press the spring loaded tab slide the cable out and release the tab Remove the joint surrounding the transducer location on the enclosure Transducer mounting procedure P 2 Put joint around the transducer location on the enclosure Connect the red cable to the transducer s red terminal and the black cable to the black terminal press the spring loaded tab slide the cable in and release the tab Install the transducer in the enclosure pay attention no to bend the terminals and screw in eight 30 mm hex screws with split and flat washers 5 mm hex bit 5 N m 45 in lb into each hex screw insert a split washer and then a flat washer follow this sequence and screw in the assembly Put joint around the bass reflex p
25. ximity from each other it is recommended to set the distance at 0 as shown in Figure 2 If it is not possible the maximum distance between two acoustic centers is 2 8 m in the 32 60 Hz frequency bandwidth and 1 7 m in the 32 100 Hz bandwidth a 3 aa er DC VERTICAL BLOCK ON END AIA HORIZONTAL Figure 10 SB I8 basic cardioid arrays SB18 UM ML 1 0 WWW L ACOUSTICS GOM S5B18 COMPACT HIGH POWER SUBWOOFER USER MANUAL VERSION 1 0 7 3 2 Connecting the SBI8 to the LA4 or LA8 Each of the SBI8 subwoofers is connected to an LA4 or LA8 output channel ranging from channel through 4 where the channel is feeding the reversed subwoofer On the LA8 only an additional subwoofer can be grouped in pair with each first one so as to build a second basic cardioid array Therefore a single LA4 amplified controller can drive up to one basic cardioid array Figure and a single LA8 amplified controller can drive up to two basic cardioid arrays Figure 12 AN To achieve a cardioid coverage pattern ALWAYS check that the reversed SB18 is connected to the OUT a a el a IMPORTANT OUT 4 IN A OUT 3 IN A OUT 2 IN A OUT IN A OUT 4 IN A Note Each enclosure on the right is linked to the enclosure on the left using a SpeakON cable Figure 12 Two basic SBI8 cardioid arrays connected in parallel to an LA8 SB18 UM ML 1 0 WWW L AGODUSTICS COM 7 3
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