L-Acoustics A10i Owner'S Manual Download Page 49

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Mechanical safety

Other congurations

For other congurations, respect the recommended maximum limit for optimal stability.

A10i Wide/Focus

conguration

rigging accessory

maximum / safe limit

Stacked vertical array

Ai-FIXB rigging plates

Stacked vertical array with

angle adjustment

A10i-TILTB rigging plates

KS21i

conguration

rigging accessory

maximum / safe limit

Stacked vertical array with

or without Ai-FIXBRACKET

Ai-FIXBRACKET (optional) + rigging plates

A10i Wide/Focus on KS21i

conguration

rigging accessory

maximum / safe limit

Stacked on subwoofer

Ai-FIXB rigging plates

4 KS21i

4 A10i Wide/Focus

Stacked on subwoofer with

angle adjustment

Ai-FIXB A10i-TILT + rigging plates

4 KS21i

4 A10i Wide/Focus

A10i Wide/Focus under KS21i

conguration

rigging accessory

maximum / safe limit

Wall-mounted (horizontal)

A-U15i + A10iKS21i-ULINK + A10i-TILT +

rigging plates

1 KS21i

2 A10i Wide/Focus

Ceiling-mounted

A-U15i + A10iKS21i-ULINK + A10i-TILT +

rigging plates
or Ai-FIXB A10i-TILT + rigging

plates

1 KS21i

2 A10i Wide/Focus

A10i owner's manual (EN) version 1.0

Summary of Contents for A10i

Page 1: ...A10i owner s manual EN ...

Page 2: ...anual EN version 1 0 Distribution date September 1 2020 2020 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: ...ns 14 Directivity 17 Symmetrical con gurations 19 Preset description 20 Connectors 21 Rigging system description 22 A10i system rigging 22 Enclosures 23 A10i Wide Focus 23 KS21i 25 Rigging elements for own arrays 27 A10i BUMP 27 A10i RIGBAR 28 A10i LIFT 30 A15i BUMP 32 A15i RIGBAR 34 Rigging elements for other con gurations 37 A U10i 37 Ai FIXBRACKET A10i TILTBRACKET 39 A10i TILT 41 A U15i 42 Fron...

Page 4: ... Flying a radial array with A10i LIFT 75 Wall mounting or ceiling mounting 79 Mounting an assembly with a U bracket 79 Mounting an assembly on a ceiling with Ai FIXBRACKET A10i TILTBRACKET 89 Stacking 97 Stacking A10i Wide Focus on KS21i with A10i TILT 97 Stacking A10i Wide Focus with A10i TILTBRACKET 103 Securing a screen 106 Connection to LA ampli ed controllers 109 Cabling 111 Speci cations 114...

Page 5: ...are familiar with the rigging techniques and safety recommendations outlined in this manual Ensure personnel health and safety During installation and set up personnel must wear protective headgear and footwear at all times Under no circumstances is personnel allowed to climb on a loudspeaker assembly Respect the Working Load Limit WLL of third party equipment L Acoustics is not responsible for an...

Page 6: ... continuous evolution of techniques and standards L Acoustics reserves the right to change the speci cations of its products and the content of its documents without prior notice Check www l acoustics com on a regular basis to download the latest document and software updates Do not expose the product to extreme conditions Do not expose the product to moisture rain mist sea spray steam humidity co...

Page 7: ... accessories for vertical or horizontal deployment A10i deployment requires a single preset that is optimized to provide amazing plug and play performance for both A10i models regardless of Pan ex con guration Performance can be further enhanced with L Acoustics software optimization tools On its own A10i provides ideal bandwidth for vocal reinforcement or music with light LF requirements and prod...

Page 8: ...tion of techniques and standards L Acoustics reserves the right to change the speci cations of its products and the content of its document without prior notice Please check www l acoustics com on a regular basis to download the latest document and software updates Contact information For information on advanced corrective maintenance contact your Certi ed Provider or your L Acoustics representati...

Page 9: ...lers is given in this document Refer to the LA2Xi LA4X LA8 LA12X owner s manual for detailed instructions about the whole cabling scheme including modulation cables and network Rigging elements A10i BUMP Flying frame for vertical deployment of A10i A15i BUMP Flying frame for vertical deployment of A15i and KS21i A10i LIFT Rigging element for horizontal deployment of A10i A10i RIGBAR Rigging bar an...

Page 10: ...A10i Focus with A10i LIFT A10iWIDE SCREEN LIFT Acoustically transparent front screen for A10i Wide with A10i LIFT Software applications Soundvision 3D acoustical and mechanical modeling software LA Network Manager Software for remote control and monitoring of ampli ed controllers Refer to the Soundvision help Refer to the LA Network Manager help Loudspeaker cables 2 5 mm 2 cable 2 point speakON ca...

Page 11: ...nts Rigging elements A15i BUMP A10i BUMP A15i RIGBAR A10i RIGBAR A10i LIFT A U15i A U10i KS21i SCREEN A10iFOCUS SCREEN A10iWIDE SCREEN A10iFOCUS SCREEN LIFT A10iWIDE SCREEN LIFT A10i owner s manual EN version 1 0 11 ...

Page 12: ...DE ENDLINK End rigging plates for A10i Wide x2 x2 x4 x2 x2 x2 x2 KS21i LINK Rigging plates for KS21i KS21i ENDLINK End rigging plates for KS21i KS21i SLINK Rigging plates for A10i under KS21i with A10i TILT KS21i ENDSLINK End rigging plates for A10i under KS21i x4 x2 x2 Ai FIXBRACKET Fastening brackets for A10i and KS21i A10i TILTBRACKET Fastening brackets with angles for A10i 12 A10i owner s manu...

Page 13: ...lates for ying two KS21i with A U15i A10iKS21i ULINK Rigging plates for ying A10i under KS21i with A U15i A10i ULINK Rigging plates for ying two A10i with A U10i A10i TILT Rigging elements with angles for A10i above or under KS21i A10i owner s manual EN version 1 0 13 ...

Page 14: ...directivity to one of four settings 110 70 symmetric or 90 asymmetric 35 55 or 55 35 The same A10 preset drives all directivity settings of both enclosures Within a line source combine A10i Focus and A10i Wide with custom directivity settings to improve SPL mapping and throw capability 110 setting 55 55 14 A10i owner s manual EN version 1 0 ...

Page 15: ...ption 70 setting Setting the ns in the 35 position offers an additional 2 dB on axis 2 kHz 35 35 90 settings Setting the ns in the 90 position offers an additional 1 dB on axis 2 kHz 35 55 A10i owner s manual EN version 1 0 15 ...

Page 16: ...Electro acoustical description 55 35 35 55 Mixed settings 55 55 35 35 16 A10i owner s manual EN version 1 0 ...

Page 17: ...right A10i Focus using lines of equal sound pressure at 3 dB 6 dB 12 dB 100 1 000 10 000 Frequency Hz 180 160 140 120 100 80 60 40 20 0 20 40 60 80 100 120 140 160 180 Angle Dispersion angle diagram of one A10i Focus with 110 ns setting using lines of equal sound pressure at 3 dB 6 dB 12 dB 100 1 000 10 000 Frequency Hz 180 160 140 120 100 80 60 40 20 0 20 40 60 80 100 120 140 160 180 Angle Disper...

Page 18: ...e upright A10i Wide using lines of equal sound pressure at 3 dB 6 dB 12 dB 100 1 000 10 000 Frequency Hz 180 160 140 120 100 80 60 40 20 0 20 40 60 80 100 120 140 160 180 Angle Dispersion angle diagram of one A10i Wide with 110 ns setting using lines of equal sound pressure at 3 dB 6 dB 12 dB 100 1 000 10 000 Frequency Hz 180 160 140 120 100 80 60 40 20 0 20 40 60 80 100 120 140 160 180 Angle Disp...

Page 19: ...Electro acoustical description Symmetrical con gurations The A10i rigging system is designed to enable a completely symmetrical setup for stereo applications A10i owner s manual EN version 1 0 19 ...

Page 20: ... PA IN A 0 dB 0 ms ON OUT 2 PA IN A 0 dB 0 ms ON OUT 3 PA IN B 0 dB 0 ms ON OUT 4 PA IN B 0 dB 0 ms ON KS21_100 outputs channels routing gain delay polarity mute OUT 1 SB IN A 0 dB 0 ms ON OUT 2 SB IN A 0 dB 0 ms ON OUT 3 SB IN A 0 dB 0 ms ON OUT 4 SB IN A 0 dB 0 ms ON KS21_100_C KS21_100_Cx loudspeaker elements outputs channels routing gain delay polarity mute SR OUT 1 SR ON SB OUT 2 SB ON SB OUT...

Page 21: ... push in connection A10i Wide 1 4 point terminal block with push in connection Internal pinout for L Acoustics 2 way passive enclosures terminal block points IN IN Transducer connectors KS21i 1 4 point terminal block with push in connection Internal pinout for L Acoustics subwoofers terminal block points IN IN Transducer connectors LF LF A10i owner s manual EN version 1 0 21 ...

Page 22: ...he enclosures arrays are assembled with rigging plates and rigging accessories suited for installation Like the A10 system the enclosures can be deployed in vertical or horizontal arrays Multiple rigging kits are available depending on the desired con guration refer to Rigging plates p 12 The logo on the enclosure front can be rotated to adapt to every con guration 22 A10i owner s manual EN versio...

Page 23: ...A10iWIDE ENDLINK A10iFOCUS LINK can be used to add an inter element angle of 5 between two A10i Focus A10i Wide Focus feature on each side Four M6 inserts for own con gurations with a rigging frame or stacked con gurations Three M8 inserts for wall mounting or ceiling mounting with a bracket Two M6 inserts for securing a screen The inserts are tted with placeholder screws A10i owner s manual EN ve...

Page 24: ...se the placeholder screws for rigging Always put the placeholder screws back in place to avoid leaks A10i Wide Focus feature two lodgings to create radial arrays with A10i LIFT p 30 A DIN580 compatible M8 threaded insert is available to implement a secondary safety 24 A10i owner s manual EN version 1 0 ...

Page 25: ...e rigging accessories 75 mm 3 in 127 mm 5 in KS21i KS21i is compatible with four types of rigging plate kits standard rigging plates KS21i LINK S shaped standard rigging plates KS21i SLINK end rigging plates KS21i ENDLINK S shaped end rigging plates KS21i ENDSLINK A10i owner s manual EN version 1 0 25 ...

Page 26: ...g frame Two M8 inserts for wall mounting or ceiling mounting with a bracket Four M6 inserts for securing a screen in standard or cardioid con guration The inserts are tted with placeholder screws Rigging screws Only use the rigging screws provided by L Acoustics Do not use the placeholder screws for rigging Always put the placeholder screws back in place to avoid leaks 26 A10i owner s manual EN ve...

Page 27: ... with four M6x18 rigging screws and M6 nuts provided Multiple pickup points are available for site angle adjustments 14 pickup points on each side one front pickup point F and one rear pickup point R They are compatible with Ø12 mm shackles WLL 1 t two provided and CLAMP250 F R FRONT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A10i owner s manual EN version 1 0 27 ...

Page 28: ...i Wide Focus with one or two lifting points A10i RIGBAR A10i RIGBAR is a rigging bar for pullback con gurations Secured at the bottom of the array A10i RIGBAR can be used as a pullback either with A10i BUMP A15i BUMP or with another A10i RIGBAR as the main lifting accessory 28 A10i owner s manual EN version 1 0 ...

Page 29: ... at the top of the array as the main lifting accessory A10i RIGBAR can be secured at the front for an initial positive site angle A10i RIGBAR is secured to the enclosure with two M6x40 screws provided A10i owner s manual EN version 1 0 29 ...

Page 30: ...implement a secondary safety using available holes One pickup point pickup point safety points Two pickup points safety point pickup points A10i LIFT A10i LIFT is a rigging element designed to y a radial array of up to three A10i Wide Focus A10i LIFT features two studs that match the lodgings at the front and rear of the enclosure studs 30 A10i owner s manual EN version 1 0 ...

Page 31: ...le radial array of A10i Wide Focus can be created using multiple A10i LIFT A10i LIFT quantity and position Use one A10i LIFT for up to three enclosures in the array Do not leave more than two adjacent enclosures unsupported Refer to APPENDIX A Authorized con gurations with A10i LIFT p 124 Risk of tilting When using a single motor or a bridle make sure the array is symmetrical When using a third pa...

Page 32: ...10i LIFT within an array of up to 6 enclosures For larger arrays refer to Radial arrays of 7 enclosures and more p 125 1 2 3 4 5 6 7 8 9 10 11 12 13 FRONT A10iFOCUS SCREEN LIFT and A10iWIDE SCREEN LIFT are dedicated screens for A10i Wide Focus enclosures on which A10i LIFT is secured A15i BUMP A15i BUMP is a reversible rigging frame for ying vertical arrays of KS21i 32 A10i owner s manual EN versi...

Page 33: ...oints on each side one front pickup point F and one rear pickup point R They are compatible with Ø12 mm shackles WLL 1 t two provided and CLAMP250 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 F R FRONT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A15i BUMP can be used as the main lifting accessory for ying vertical arrays of KS21i with one or two lifting points A10i owner s manual EN version 1 0 33 ...

Page 34: ...llback con gurations with KS21i A10i Wide Focus hybrid arrays In combination with A10i RIGBAR secured at the bottom of the array A15i RIGBAR can be used instead of A15i BUMP as the main lifting accessory for hybrid pullback con gurations 34 A10i owner s manual EN version 1 0 ...

Page 35: ...used at the top of the array as the main lifting accessory A15i RIGBAR can be secured at the front for an initial positive site angle A15i RIGBAR is secured to KS21i with two M6x40 screws provided A10i owner s manual EN version 1 0 35 ...

Page 36: ...ckles WLL 1 t two provided and CLAMP250 When using A15i RIGBAR as the main lifting accessory always implement a secondary safety using available holes One pickup point pickup point safety points Two pickup points safety point pickup points 36 A10i owner s manual EN version 1 0 ...

Page 37: ...cket for mounting A10i Wide Focus on a ceiling a wall or a truss In combination with A10i ULINK A U10i can be used to mount or y vertical arrays of two A10i Wide Focus Do not use rigging plates other than A10i ULINK between two enclosures mounted on A U10i A10i owner s manual EN version 1 0 37 ...

Page 38: ...DIX B Con gurations with A U15i A U10i p 126 for a list of authorized con gurations A U10i Weight 3 9 kg 8 5 lb WLL 50 kg 110 lb SAFE USE 2 enclosures in vertical deployment o r FOR OTHER CONFIGURATIONS CHECK MECHANICAL SAFETY WITH SOUNDVISION SOFTWARE Read manual and safety instructions before use Made in France European Community 1 enclosure in horizontal deployment A U10i must be secured to the...

Page 39: ...sure is secured to Ai FIXBRACKET using the slotted hole Secure Ai FIXBRACKET at the bottom of an array to improve stability A10i TILTBRACKET is a set of four fastening brackets with site angle adjustment for a stack of up to four A10i Wide Focus The enclosure is secured to A10i TILTBRACKET using the round hole A10i owner s manual EN version 1 0 39 ...

Page 40: ... 12 5 15 17 5 20 22 5 25 Ai FIXBRACKET and A10i TILTBRACKET can also be used to mount up to two A10i Wide Focus or KS21i under the ceiling Ai FIXBRACKET and A10i TILTBRACKET must be secured to the supporting xture with four M10 screws Fasteners for wall mounting or ceiling mounting Select screw length and anchors applicable to the wall or ceiling properties 40 A10i owner s manual EN version 1 0 ...

Page 41: ...tween 0 and 25 in 2 5 steps The rst 0 step can be used to reduce space between KS21i and A10i Wide Focus in hybrid con gurations when site angle adjustment is not required 0 2 5 5 7 5 10 12 5 15 17 5 20 22 5 25 0 no angle To know the site angle of the rst enclosure secured on A10i TILT refer to Realized site angles with A10i TILT at the rear p 98 A10i owner s manual EN version 1 0 41 ...

Page 42: ...cription A U15i A U15i is a U bracket for mounting KS21i on a ceiling a wall or a truss In combination with KS21i ULINK A U15i can be used to mount or y vertical arrays of two KS21i 42 A10i owner s manual EN version 1 0 ...

Page 43: ...KS21i ULINK and A10i TILT A U15i can be used to mount or y KS21i A10i Wide Focus hybrid arrays Do not use rigging plates other than A10iKS21i ULINK on KS21i in a KS21i A10i Wide Focus hybrid con guration with A U15i A10i owner s manual EN version 1 0 43 ...

Page 44: ...X B Con gurations with A U15i A U10i p 126 for a list of authorized con gurations Read manual and safety instructions before use Made in France European Community A U15i Weight 4 9 kg 11 lb WLL 110 kg 243 lb SAFE USE 2 enclosures in vertical deployment or 1 enclosure in horizontal deployment FOR OTHER CONFIGURATIONS CHECK MECHANICAL SAFETY WITH SOUNDVISION SOFTWARE A U15i must be secured to the su...

Page 45: ...tes with four M6 rigging screws Two M6x16 screws on the ns side A10i Wide Focus or vent side KS21i Two M6x35 screws for A10i Wide Focus or two M6x55 screws for KS21i on the grill side These two screws are secured in place of the grill screws Risk of damaging the ns When securing a screen to A10i Wide Focus make sure to use M6x16 screws on the ns side A10i owner s manual EN version 1 0 45 ...

Page 46: ... of the grill and the placeholder screws on the ns side can be removed through the rigging plates The screens are equipped with tabs to hold the grill in place when securing the screen on the enclosure 46 A10i owner s manual EN version 1 0 ...

Page 47: ... when used in cardioid con guration A10iFOCUS SCREEN LIFT and A10iWIDE SCREEN LIFT are dedicated screens for A10i Wide Focus own in radial con gurations The screens are designed to t on an A10i Wide Focus enclosure assembled with A10i LIFT A10i owner s manual EN version 1 0 47 ...

Page 48: ... safety factor can be compliant with the 2006 42 EC Machinery Directive when the other deployment parameters provide the best mechanical conditions For mixed arrays refer to your Soundvision model A10i Wide Focus con guration rigging accessory maximum safe limit A10i BUMP rigging plates 8 A10i RIGBAR x2 rigging plates 4 A U10i 1 Vertical array A U10i A10i ULINK 2 1 A10i LIFT 1 or 3 2 A10i LIFT 2 4...

Page 49: ...BRACKET optional rigging plates 4 A10i Wide Focus on KS21i con guration rigging accessory maximum safe limit Stacked on subwoofer Ai FIXBRACKET rigging plates 4 KS21i 4 A10i Wide Focus Stacked on subwoofer with angle adjustment Ai FIXBRACKET A10i TILT rigging plates 4 KS21i 4 A10i Wide Focus A10i Wide Focus under KS21i con guration rigging accessory maximum safe limit Wall mounted horizontal A U15...

Page 50: ...ot be determined without the complex mechanical modeling and calculation offered by Soundvision Assessing the safety with Soundvision The overall safety factor of a speci c mechanical con guration always corresponds to the lowest safety factor among all the linking points Always model the system con guration with the Soundvision software and check the Mechanical Data section to identify the weakes...

Page 51: ...e nominal bandwidth of the enclosures The A10 preset delivers a reference frequency response in medium throw applications The A10i Wide Focus enclosures are driven by the LA2Xi LA4X LA8 LA12X ampli ed controllers Preset A10 Frequency range 10 dB 66 Hz 20 kHz A10i Focus 67 Hz 20 kHz A10i Wide A10i owner s manual EN version 1 0 51 ...

Page 52: ...xxxx_xx_Cx on a reversed subwoofer in a cardioid con guration The cardioid con guration consists in reversing 1 element in an array of 4 subwoofers Refer to the subwoofer owner s manual and to the Cardioid con gurations technical bulletin Grouping subwoofers Place the subwoofer enclosures side by side If not possible the maximum distance between two adjacent acoustic centers must be 1 7 m if the u...

Page 53: ...e KS21_100 preset provides KS21i with an upper frequency limit at 100 Hz The A10i Wide Focus and KS21i enclosures are driven by the LA2Xi LA4X LA8 LA12X ampli ed controllers Enclosure A10i Wide Focus KS21i Preset A10_FI KS21_100 Recommended ratio 1 A10i Wide Focus 1 KS21i Frequency range 10 dB 31 Hz 20 kHz Use xxxx_xx_C or xxxx_xx_Cx on a reversed subwoofer in a cardioid con guration The cardioid ...

Page 54: ...s pre alignment delay values and polarity settings A10 or A10_FI KS21_100 A10 Wide Focus 0 ms KS21 0 ms A10 or A10_FI KS21_100_C A10 Wide Focus 5 5 ms KS21 0 ms A10 or A10_FI KS21_100_Cx A10 Wide Focus 0 ms KS21 0 ms 54 A10i owner s manual EN version 1 0 ...

Page 55: ...ation on wall mounted or ceiling mounted con gurations with A U15i and A U10i refer to APPENDIX B Con gurations with A U15i A U10i p 126 To know the site angle of the rst enclosure secured on A10i TILT refer to Realized site angles with A10i TILT at the rear p 98 Securing rigging plates on an enclosure Follow the curvature of the front of the enclosure when securing the rigging plates Make sure th...

Page 56: ...s between two enclosures Always secure standard rigging plates with the linking section upwards After securing an enclosure to another enclosure tighten all the screws on the supporting enclosure 5 N m T30 56 A10i owner s manual EN version 1 0 ...

Page 57: ...ly in a KS21i A10i Wide Focus mixed array make sure that the ns of A10i Wide Focus are on the same side as the vents of KS21i Screws Always remove the relevant placeholder screws before securing the rigging plates Do not use placeholder screws for rigging purposes A10i owner s manual EN version 1 0 57 ...

Page 58: ...performing rigging procedures on this product make sure all the tools listed are available References are given for FACOM products in this table Other manufacturers can be used Name Reference Distributor Set of 6 point 1 4 sockets RL NANO1 R 360NANO FACOM electric screwdriver with torque selector Torque screwdriver 2 10 N m A 404 FACOM 10 mm wrench 58 A10i owner s manual EN version 1 0 ...

Page 59: ...Torx bit Min number of operators 3 x2 x2 x2 x2 x2 x2 x2 x2 x2 x2 A10iFOCUS LINK Rigging plates for A10i Focus A10iWIDE LINK Rigging plates for A10i Wide A10iFOCUS ENDLINK End rigging plates for A10i Focus A10iWIDE ENDLINK End rigging plates for A10i Wide KS21i LINK Rigging plates for KS21i x2 x2 x2 KS21i SLINK Rigging plates for A10i under KS21i with A10i TILT A10i TILT Rigging elements with angle...

Page 60: ...the enclosure HF section can be oriented both ways Under KS21i the HF section is on the same side as the subwoofer vent A10i Wide Focus array Procedure 1 Prepare the A10i Wide Focus enclosures by removing the placeholder screws and securing rigging plates on both sides 2 Secure A10i BUMP on top of A10i Wide Focus 3 Select the pick up point and raise the array F R FRONT 1 2 3 4 5 6 7 8 9 10 11 12 1...

Page 61: ...ay by pre tightening a rigging screw on both sides A10i Focus site angle adjustment A10iFOCUS LINK can be used to add an inter element angle of 5 between two A10i Focus b Remove the rigging screws at the bottom front on both sides of the top A10i Wide Focus c Link the A10i Wide Focus enclosures at the front with rigging screws d Tighten all the screws on the supporting A10i Wide Focus Apply a torq...

Page 62: ...at the procedure until the A10i Wide Focus array is completed 5 Check that all the screws are secured and tightened 5 N m torque and raise the array What to do next Securing a screen p 106 62 A10i owner s manual EN version 1 0 ...

Page 63: ...removing the placeholder screws and securing rigging plates on both sides Linking KS21i to A10i Wide Focus Use KS21i SLINK instead of KS21i LINK for the last KS21i in a KS21i A10i Wide Focus hybrid array 2 Secure A15i BUMP on top of KS21i A10i owner s manual EN version 1 0 63 ...

Page 64: ...an additional KS21i under the array a This step requires three operators Hold the enclosure at the bottom until the rigging plates are secured Lift the rear of the new KS21i and secure it to the array by pre tightening a rigging screw on both sides b Remove the rigging screws at the bottom front on both sides of the top KS21i 64 A10i owner s manual EN version 1 0 ...

Page 65: ...nk the KS21i enclosures at the front with rigging screws d Tighten all the screws on the supporting KS21i Apply a torque of 5 N m e Repeat the procedure until the KS21i array is completed A10i owner s manual EN version 1 0 65 ...

Page 66: ... a KS21i A10i Wide Focus hybrid array secure A10i TILT at the bottom of the array and follow Securing an A10i Wide Focus array under A10i TILT p 67 What to do next Securing a screen p 106 66 A10i owner s manual EN version 1 0 ...

Page 67: ...ing end rigging plates on both sides 2 Secure the rst A10i Wide Focus to A10i TILT a Secure the front of the enclosure to A10i TILT Hybrid con gurations without site angle adjustment On A10i TILT use the holes closer to KS21i to reduce space between the enclosures with site angle adjustment without site angle adjustment A10i owner s manual EN version 1 0 67 ...

Page 68: ...3 Prepare additional A10i Wide Focus by removing the placeholder screws and securing rigging plates on both sides 4 Secure the additional A10i Wide Focus under the array a Remove the rigging screws at the bottom rear on both sides of the supporting A10i Wide Focus 68 A10i owner s manual EN version 1 0 ...

Page 69: ...ng screw on both sides A10i Focus site angle adjustment A10iFOCUS LINK can be used to add an inter element angle of 5 between two A10i Focus c Remove the rigging screws at the bottom front on both sides of the top A10i Wide Focus d Link the A10i Wide Focus enclosures at the front with rigging screws e Tighten all the screws on the supporting A10i Wide Focus Apply a torque of 5 N m A10i owner s man...

Page 70: ...ng procedures f Repeat the procedure until the A10i Wide Focus array is completed 5 Check that all the screws are secured and tightened 5 N m torque and raise the array 70 A10i owner s manual EN version 1 0 ...

Page 71: ...2 x2 A10iFOCUS LINK Rigging plates for A10i Focus A10iFOCUS ENDLINK End rigging plates for A10i Focus A10iWIDE LINK Rigging plates for A10i Wide A10iWIDE ENDLINK End rigging plates for A10i Wide x2 x2 x4 x2 x2 x2 x2 KS21i LINK Rigging plates for KS21i KS21i ENDLINK End rigging plates for KS21i KS21i SLINK Rigging plates for A10i under KS21i with A10i TILT KS21i ENDSLINK End rigging plates for A10i...

Page 72: ...e Focus KS21i 2 Secure A10i RIGBAR or A15i RIGBAR at the rear of the enclosure Secure A10i RIGBAR or A15i RIGBAR at the front for a positive initial site angle A10i Wide Focus A10i RIGBAR KS21i A15i RIGBAR 3 Select the pick up point and raise the array 4 Follow the relevant procedure in Flying a vertical array with A10i BUMP or A15i BUMP p 59 from step 4 to the end What to do next Adding a pullbac...

Page 73: ...ems remain on the product or assembly Secondary safety Use available holes on the rigging accessories to implement a secondary safety Assembly Procedure 1 Prepare a vertical array as described in Flying a vertical array with A10i BUMP or A15i BUMP p 59 or Flying a vertical array with A10i RIGBAR or A15i RIGBAR p 71 2 Raise the array until the bottom enclosure is accessible 3 Remove the screw from ...

Page 74: ...Rigging procedures 5 Secure a shackle to A10i RIGBAR and lift it with an additional motor 74 A10i owner s manual EN version 1 0 ...

Page 75: ...ing plates for A10i Wide A10iWIDE ENDLINK End rigging plates for A10i Wide Risk of falling objects Verify that no unattached items remain on the product or assembly Additional safety with A10i LIFT On each enclosure on which A10i LIFT is secured secure a DIN580 eye bolt to the dedicated insert to implement a secondary safety Use a shackle and a steel wire rope Make sure the steel rope is as tensed...

Page 76: ...osures at the top using the rigging plates End links Start by using end rigging plates on the leftmost or rightmost enclosure of the array then proceed towards the other side Do not add inter element angle with A10iFOCUS LINK in radial con gurations Do not tighten the screws until all rigging plates are secured end rigging plates 3 Tighten all the screws on the rigging plates Apply a torque of 5 N...

Page 77: ...he rear and secure the rigging axis 5 On each A10i LIFT secure a shackle to the desired pickup point A10i LIFT pickup point Select the same pickup point on each A10i LIFT within an array of up to 6 enclosures For larger arrays refer to Radial arrays of 7 enclosures and more p 125 6 Raise the array until the bottom of the array is easily accessible A10i owner s manual EN version 1 0 77 ...

Page 78: ...inks Start by using end rigging plates on the leftmost or rightmost enclosure of the array then proceed towards the other side Do not tighten the screws until all rigging plates are secured end rigging plates 8 Tighten all the screws on the rigging plates 5 N m torque What to do next Securing a screen p 106 78 A10i owner s manual EN version 1 0 ...

Page 79: ... number of operators 3 Rigging plates x2 x2 x2 x2 A10i ULINK Rigging plates for ying two A10i with A U10i KS21i ULINK Rigging plates for ying two KS21i with A U15i A10iKS21i ULINK Rigging plates for ying A10i under KS21i with A U15i A10i TILT Rigging elements with angles for A10i above or under KS21i x2 x2 x2 x2 x2 x2 x2 x2 A10iFOCUS LINK Rigging plates for A10i Focus A10iFOCUS ENDLINK End rigging...

Page 80: ...ration Tensile load Shear load A U10i in horizontal position with 1 enclosure 40 daN 20 daN A U10i in horizontal position with 2 enclosures 125 daN 40 daN Wall mounted A U10i in vertical position with 1 enclosure 20 daN 30 daN Ceiling mounted 40 daN A U15i Con guration Tensile load Shear load Wall mounted A U15i in horizontal position with 1 KS21i and up to 2 A10i Focus 375 daN 75 daN Ceiling moun...

Page 81: ... 120 mm 4 7 in Ø M10 x4 2 Prepare an A10i Wide Focus by removing the central and top placeholder screws or the central and bottom placeholder screws on each side of the enclosure depending on the desired con guration refer to APPENDIX B Con gurations with A U15i A U10i p 126 3 Using the screws provided with A U10i drive a screw on both sides Approximately 10 mm 0 4 in of the thread must be visible...

Page 82: ...rs Hold the enclosure at the bottom on each side 5 Set the angle For a single enclosure a Rotate the enclosure to align the second insert with the selected site angle b Drive a screw on both sides c Tighten all the screws Apply a torque of 7 N m 82 A10i owner s manual EN version 1 0 ...

Page 83: ...de the A10i ULINK rigging plates between A U10i and the enclosure with the hooks facing front b Rotate the enclosure and the rigging plates to align the second insert and the rigging plates with the selected site angle For a an array of two A10i Wide Focus make sure to use the correct hole on A10i ULINK A10i Wide Focus under A10i Focus A10i Wide Focus under A10i Wide A10i owner s manual EN version...

Page 84: ...crew on both sides d Tighten all the screws Apply a torque of 7 N m 6 Prepare a new A10i Wide Focus by removing the central and top placeholder screws at the center of each side of the enclosure 84 A10i owner s manual EN version 1 0 ...

Page 85: ...m Top Bottom A15i Focus A15i Wide A15i Focus A15i Wide If the two enclosures are misaligned at the front loosen the screws on the U rigging plates and realign the two enclosures then re tighten the screws What to do next Securing a screen p 106 A10i owner s manual EN version 1 0 85 ...

Page 86: ...hooks are oriented upwards 781 mm 30 7 in 120 mm 4 7 in Ø M10 x4 2 Prepare a KS21i by removing the placeholder screws on both sides of the enclosure 3 Position A10iKS21i ULINK on each side of KS21i 4 Align A10iKS21i ULINK with the central inserts of KS21i and using the screws provided with A U15i drive a screw on each side Approximately 5 mm 0 2 in of the thread must be visible 5 mm 0 2 in Alterna...

Page 87: ...perators Hold the enclosure at the bottom on each side 6 Set the angle a Rotate the enclosure and the rigging plates to align the second insert and the rigging plates with the selected site angle b Drive the angulation screw on both sides A10i owner s manual EN version 1 0 87 ...

Page 88: ... torque of 7 N m 7 Secure A10i TILT on top of A10iKS21i ULINK 8 Follow Securing an A10i Wide Focus array under A10i TILT p 67 Maximum two A10i Wide Focus can be secured under one KS21i in a con guration with A U15i 88 A10i owner s manual EN version 1 0 ...

Page 89: ...Rigging plates x2 x2 x2 x2 x2 x2 x2 x2 x2 x2 A10iFOCUS LINK Rigging plates for A10i Focus A10iFOCUS ENDLINK End rigging plates for A10i Focus A10iWIDE LINK Rigging plates for A10i Wide A10iWIDE ENDLINK End rigging plates for A10i Wide A10iWIDE ENDLINK End rigging plates for A10i Wide x2 x2 x2 x2 x4 x2 x2 KS21i LINK Rigging plates for KS21i KS21i SLINK Rigging plates for A10i under KS21i with A10i ...

Page 90: ... A10i TILTBRACKET in ceiling mounted con guration In a ceiling mounted con guration the array applies a force of 60 daN on the anchoring points Realized site angles with A10i TILTBRACKET at the rear realized site angle selected angle on A10i TILTBRACKET A10i Focus A10i Wide 25 20 10 22 5 17 5 7 5 20 15 5 17 5 12 5 2 5 15 10 0 12 5 7 5 2 5 10 5 5 7 5 2 5 7 5 5 0 10 2 5 2 5 12 5 0 5 15 90 A10i owner...

Page 91: ...asteners for wall mounting or ceiling mounting Select screw length and anchors applicable to the wall or ceiling properties 646 mm 25 5 in 257 mm 10 1 in 2 Prepare an enclosure by removing the placeholder screws and securing end rigging plates on both sides 3 Secure the front of the enclosure to Ai FIXBRACKET A10i owner s manual EN version 1 0 91 ...

Page 92: ... it to A10i TILTBRACKET at the desired angle 0 2 5 5 7 5 10 12 5 15 17 5 20 22 5 25 5 Tighten the screws on A10i TILTBRACKET 5 N m torque 6 Prepare a new enclosure by removing the placeholder screws and securing rigging plates 92 A10i owner s manual EN version 1 0 ...

Page 93: ... sides This step requires three operators Hold the enclosure at the bottom until the rigging plates are secured A10i Focus site angle adjustment A10iFOCUS LINK can be used to add an inter element angle of 5 between two A10i Focus 9 Link the two enclosures at the front by pre tightening a rigging screw on both sides A10i owner s manual EN version 1 0 93 ...

Page 94: ...Rigging procedures 10 Check that all the screws are secured and tightened 5 N m torque What to do next Securing a screen p 106 94 A10i owner s manual EN version 1 0 ...

Page 95: ...screws Fasteners for wall mounting or ceiling mounting Select screw length and anchors applicable to the wall or ceiling properties 828 mm 32 6 in 542 mm 21 in 2 Prepare a KS21i by removing the placeholder screws and securing end rigging plates on both sides 3 Secure the rear of KS21i to Ai FIXBRACKET A10i owner s manual EN version 1 0 95 ...

Page 96: ...FIXBRACKET 5 N m torque 6 Secure A10i TILT at the bottom of KS21i and follow Securing an A10i Wide Focus array under A10i TILT p 67 Maximum two A10i Wide Focus can be secured under one KS21i in a con guration with Ai FIXBRACKET What to do next Securing a screen p 106 96 A10i owner s manual EN version 1 0 ...

Page 97: ...2 KS21i LINK Rigging plates for KS21i KS21i ENDSLINK End rigging plates for A10i under KS21i A10iFOCUS LINK Rigging plates for A10i Focus A10iFOCUS ENDLINK End rigging plates for A10i Focus x2 x2 x2 x2 x2 x4 A10iWIDE LINK Rigging plates for A10i Wide A10iWIDE ENDLINK End rigging plates for A10i Wide A10i TILT Rigging elements with angles for A10i above or under KS21i Ai FIXBRACKET Fastening bracke...

Page 98: ...on In a stacked con guration the array applies a force of 110 daN on the anchoring points Do not use A10i TILT between two A10i Wide Focus Realized site angles with A10i TILT at the rear realized site angle selected angle on A10i TILT A10i Focus A10i Wide 25 20 10 22 5 17 5 7 5 20 15 5 17 5 12 5 2 5 15 10 0 12 5 7 5 2 5 10 5 5 7 5 2 5 7 5 5 0 10 2 5 2 5 12 5 0 5 15 98 A10i owner s manual EN versio...

Page 99: ...rigging plates on both sides 2 Secure Ai FIXBRACKET to the ground using M10 screws Fasteners for wall mounting or ceiling mounting Select screw length and anchors applicable to the wall or ceiling properties 828 mm 32 6 in 542 mm 21 in 3 Secure KS21i to Ai FIXBRACKET A10i owner s manual EN version 1 0 99 ...

Page 100: ...e last KS21i use KS21i ENDSLINK and secure A10i TILT on top Tighten all the screws on the previous enclosure after securing each new enclosure 5 Prepare a A10i Wide Focus by removing the placeholder screws and securing rigging plates on both sides 100 A10i owner s manual EN version 1 0 ...

Page 101: ...ocus on top of the array Hybrid con gurations without site angle adjustment On A10i TILT use the holes closer to KS21i to reduce space between the enclosures with site angle adjustment without site angle adjustment A10i owner s manual EN version 1 0 101 ...

Page 102: ...away from the contact area between A10i TILT and the enclosure 0 2 5 5 7 5 10 12 5 15 17 5 20 22 5 25 0 no angle 8 Secure up to three additional A10i Wide Focus on top of the rst one For the last A10i Wide Focus use A15iFOCUS ENDLINK A15iWIDE LINK What to do next Securing a screen p 106 102 A10i owner s manual EN version 1 0 ...

Page 103: ...US LINK Rigging plates for A10i Focus A10iFOCUS ENDLINK End rigging plates for A10i Focus A10iWIDE LINK Rigging plates for A10i Wide A10iWIDE ENDLINK End rigging plates for A10i Wide A10i TILTBRACKET Fastening brackets with angles for A10i Ai FIXBRACKET A10i TILTBRACKET in stacked con guration In a stacked con guration the array applies a force of 110 daN on the anchoring points Assembly Procedure...

Page 104: ...wall or ceiling properties 646 mm 25 5 in 257 mm 10 1 in 3 Secure the front of A10i Wide Focus to the front brackets by pre tightening a screw in the top hole of the front brackets 4 Secure the rear of the enclosure to A10i TILTBRACKET at the desired angle 0 2 5 5 7 5 10 12 5 15 17 5 20 22 5 25 5 Tighten the screws on A10i TILTBRACKET 104 A10i owner s manual EN version 1 0 ...

Page 105: ...ew A10i Wide Focus enclosure by removing the placeholder screws and securing end rigging plates on both sides 7 Secure the enclosure on top of the assembly What to do next Securing a screen p 106 A10i owner s manual EN version 1 0 105 ...

Page 106: ...us provided 2 x M6x55 screws for KS21i provided 4 x self sticking washers for con gurations with a U bracket provided T30 Torx bit Min number of operators 1 Assembly Prerequisite Secure the screens on the enclosures after the array is fully assembled About this task In radial con gurations use A10iFOCUS SCREEN LIFT A10iWIDE SCREEN LIFT for enclosures on which A10i LIFT is secured 106 A10i owner s ...

Page 107: ... using the provided rigging screws Apply a torque of 5 N m Risk of damaging the ns When securing a screen to A10i Wide Focus make sure to use M6x16 screws on the ns side For con gurations with A U10i or A U15i stick the provided washers on the cabinet before securing the screen on the enclosure A10i owner s manual EN version 1 0 107 ...

Page 108: ...screen xing tabs Always use the self sticking washers for securing screens when there are no rigging plates on the enclosure Secure the screen to the back of KS21i when used in cardioid con guration 108 A10i owner s manual EN version 1 0 ...

Page 109: ... schemes for A10i Wide Focus KS21i LA2Xi Refer to the cabling schemes to connect the enclosures to different types of output con gurations Refer to the LA2Xi owner s manual for more information on output con gurations Terminal block output SE 1 1 2 2 3 3 4 4 Terminal block output BTL 1 1 2 2 3 3 4 4 For passive loudspeakers the value corresponds to the number of enclosures in parallel on the outpu...

Page 110: ... LA8 LA12X Refer to the cabling schemes to connect the enclosures to different types of output con gurations One channel speakON output 1 1 custom speakON 2 5 mm cable Two channel speakON output SP CC4FP CH 1 CH 2 1 1 2 2 2 5 mm cable custom SP Y1 110 A10i owner s manual EN version 1 0 ...

Page 111: ...ies 4 x M5x16 screws provided T25 Torx bit Min number of operators 1 Assembly Prerequisite See APPENDIX C Recommendation for speaker cables p 129 Procedure 1 On the connector sealing plate remove the sealing nut from the cable gland 2 Insert the cable in the sealing nut A10i owner s manual EN version 1 0 111 ...

Page 112: ...ampli ed controllers 3 Insert the cable in the cable gland 4 Strip the wires of the cable 30 mm 10 mm 5 Secure the wires in the connectors Use a small tool to unlock the connectors 112 A10i owner s manual EN version 1 0 ...

Page 113: ...nector sealing plate to the connector plate T25 3 N m 7 Tighten the sealing nut What to do next To connect a second enclosure in parallel remove the protective plug from the second cable gland and repeat the procedure A10i owner s manual EN version 1 0 113 ...

Page 114: ... Vents HF DOSC waveguide L Fins Nominal impedance 8 Ω Connectors 1 4 point terminal block with push in connection 1 Connector sealing plate with cable gland Rigging and handling external rigging kits M6 inserts for rigging plates M8 inserts for A U10i 4 M6 inserts for rigging accessory 1 DIN580 compatible M8 threaded insert Weight net 19 kg 42 lb Cabinet premium grade Baltic beech and birch plywoo...

Page 115: ...Speci cations A10i Focus dimensions 569 mm 22 4 in 350 mm 13 8 in 339 mm 13 3 in 366 mm 14 4 in 294 mm 11 6 in 367 mm 14 4 in A10i owner s manual EN version 1 0 115 ...

Page 116: ...L Vents HF DOSC waveguide L Fins Nominal impedance 8 Ω Connectors 1 4 point terminal block with push in connection 1 Connector sealing plate with cable gland Rigging and handling external rigging kits M6 inserts for rigging plates M8 inserts for A U10i 4 M6 inserts for rigging accessory 1 DIN580 compatible M8 threaded insert Weight net 18 kg 40 lb Cabinet premium grade Baltic beech and birch plywo...

Page 117: ...Speci cations A10i Wide dimensions 569 mm 22 4 in 347 mm 13 7 in 180 mm 7 in 345 mm 13 6 in 366 mm 14 4 in 371 mm 14 6 in A10i owner s manual EN version 1 0 117 ...

Page 118: ...Vents Nominal impedance 8 Ω Connectors 1 4 point terminal block with push in connection Rigging and handling external rigging kits M6 inserts for rigging plates M8 inserts for A U15i 1 DIN580 compatible M8 threaded insert Weight net 46 kg 101 lb Cabinet premium grade Baltic beech and birch plywood Front coated steel grill acoustically neutral 3D fabric Finish dark grey brown Pantone 426 C pure whi...

Page 119: ...Speci cations KS21i dimensions 569 mm 22 4 in 752 mm 29 6 in 602 mm 23 7 in 629 mm 24 8 in A10i owner s manual EN version 1 0 119 ...

Page 120: ...iption Flying frame for vertical deployment of A10i Weight net 6 5 kg 14 lb Material high grade steel with anti corrosion coating A10i BUMP dimensions 575 mm 22 6 in 50 mm 2 in 500 mm 19 7 in 445 mm 17 5 in 120 A10i owner s manual EN version 1 0 ...

Page 121: ... A U10i dimensions 640 mm 25 2 in 150 mm 5 9 in 362 mm 14 2 in 116 mm 4 6 in A10i RIGBAR speci cations Description Rigging bar and pullback for A10i Weight net 4 9 kg 11 lb Material high grade steel with anti corrosion coating A10i RIGBAR dimensions 606 mm 23 9 in 50 mm 2 in 291 mm 11 5 in 627 mm 24 7 in A10i owner s manual EN version 1 0 121 ...

Page 122: ...ion coating A10i LIFT dimensions 50 mm 2 in 25 mm 1 in 139 mm 5 5 in 475 mm 18 7 in A15i BUMP speci cations Description Flying frame for vertical deployment of A15i and KS21i Weight net 16 kg 35 lb Material high grade steel with anti corrosion coating A15i BUMP dimensions 758 mm 29 8 in 77 mm 3 in 656 mm 25 8 in 600 mm 23 6 in 122 A10i owner s manual EN version 1 0 ...

Page 123: ... A U15i dimensions 823 mm 32 4 in 150 mm 5 9 in 461 mm 18 1 in 135 mm 5 3 in A15i RIGBAR speci cations Description Rigging bar and pullback for A15i and KS21i Weight net 5 6 kg 12 lb Material high grade steel with anti corrosion coating A15i RIGBAR dimensions 789 mm 31 1 in 50 mm 2 in 291 mm 11 5 in 810 mm 31 9 in A10i owner s manual EN version 1 0 123 ...

Page 124: ...sures in the array Do not leave more than two adjacent enclosures unsupported Refer to APPENDIX A Authorized con gurations with A10i LIFT p 124 A10i LIFT pickup point Select the same pickup point on each A10i LIFT within an array of up to 6 enclosures For larger arrays refer to Radial arrays of 7 enclosures and more p 125 Risk of tilting When using a single motor or a bridle make sure the array is...

Page 125: ...res and more Refer to the illustrations to distribute the A10i LIFT bars on the array In radial arrays of 7 enclosures and more make sure the site angle is 0 Position the pickup points so that the center of gravity is in the middle of the array 7 enclosures 3 A10i LIFT 8 enclosures 4 A10i LIFT 9 enclosures 3 A10i LIFT Array setup information type number of enclosures number of motors pickup point ...

Page 126: ...age resolution holes used on enclosure 1 0 site 30 30 5 B C for 30 to 30 in 10 steps A B for 25 to 25 in 10 steps 2 0 site 30 30 10 B C 1 0 site 25 25 10 B C 1 90 site 30 30 10 B C 1 0 site 30 30 10 B C 2 0 site Refer to coverage table p 128 10 B C 1 0 azimuth 30 30 10 B C for 30 to 30 in 10 steps A B for 25 to 25 in 10 steps 126 A10i owner s manual EN version 1 0 ...

Page 127: ...r of enclosures reference axis coverage resolution holes used on enclosure 1 0 site 30 30 10 A B 1 0 site 5 5 10 A B center screw 1 90 site 20 20 10 A B 1 0 site 0 20 wall 20 20 pillar 10 A B 2 0 site Refer to coverage table p 128 10 A B 1 0 azimuth 0 20 wall 20 20 pillar 10 30 to 30 A B A10i owner s manual EN version 1 0 127 ...

Page 128: ...or a 2 enclosure array mounted with A U15i A U10i Con guration top bottom Resolution Coverage wall Coverage pillar A10i Focus A10i Focus 10 0 30 30 30 A10i Focus A10i Wide 10 0 30 30 30 A10i Wide A10i Focus 10 0 30 20 30 A10i Wide A10i Wide 10 0 30 20 30 KS21i A10i Focus 10 0 20 20 20 KS21i A10i Wide 10 0 20 20 20 KS21i KS21i 10 0 20 20 128 A10i owner s manual EN version 1 0 ...

Page 129: ...provides the recommended maximum length for loudspeaker cables depending on the cable gauge and on the impedance load connected to the ampli er recommended maximum length cable gauge 8 Ω load 4 Ω load 2 7 Ω load mm 2 SWG AWG m ft m ft m ft 2 5 15 13 30 100 15 50 10 33 4 13 11 50 160 25 80 17 53 6 11 9 74 240 37 120 25 80 Use the more detailed L Acoustics calculation tool to evaluate cable length a...

Page 130: ...systems Dimensions 4 m m 0 1 6 in 568 6 3 mm 22 39 in 0 12 in 527 3 mm 20 76 in 981 9 mm 38 66 in 250 3 mm 9 85 in 295 1 mm 11 62 in 256 3 mm 10 09 in 65 mm 2 56 in 248 5 mm 9 78 in 153 3 mm 6 04 in 286 7 mm 11 29 in A10i Focus A10i Wide 130 A10i owner s manual EN version 1 0 ...

Page 131: ... the metal sheets on the array Recommended screws for a 3 mm thickness metal sheet M6x18 Risk of damaging the ns if the length is not respected Adapt the length of the screws according to the thickness of the sheet Prevent screws from loosening threadlocker spring washer Threaded inserts Ultimate Tensile Strength 1160 N Ultimate Shear Strength 5370 N Recommended torque 5 N m for M6 inserts 7 N m f...

Page 132: ...L Acoustics 13 rue Levacher Cintrat 91460 Marcoussis France 33 1 69 63 69 63 info l acoustics com www l acoustics com ...

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