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Introduction

How to use this manual

The A15 owner's manual is intended for all actors involved in the system design, implementation, preventive and

corrective maintenance of the A15 system. It must be used as follows:

Read the technical description for an overview of all system elements, their features, and their compatibilities.

•

Electro-acoustical description

(p.12)

•

Rigging system description

(p.20)

Prepare the system conguration. Consider the mechanical limits and the available acoustical congurations.

•

Mechanical safety

(p.43)

•

Loudspeaker congurations

(p.45)

Before rigging the system, perform mandatory inspections and functional checks.

To deploy the system, follow the step-by-step rigging instructions and refer to the cabling schemes.

•

Rigging procedures

(p.49)

•

Connection to LA amplied controllers

(p.78)

As part of a continuous evolution 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 representative
• for Certied Providers, contact the L-Acoustics customer service:

[email protected]

Symbols

The following symbols are used in this document:

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.
This symbol noties the user about instructions that must be strictly followed to ensure proper installation or

operation of the product.

This symbol noties the user about complementary information or optional instructions.

A15 owner's manual (EN) version 1.2

Содержание A15 Series

Страница 1: ...A15 owner s manual EN...

Страница 2: ...manual EN version 1 2 Distribution date June 18 2019 2019 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 w...

Страница 3: ...Preset description 18 Connectors 19 Rigging system description 20 A15 system rigging 20 Enclosures 22 A15 Wide Focus 22 KS21 23 Rigging elements for own arrays 24 A15 BUMP 24 M BAR 26 A15 RIGBAR 27 A1...

Страница 4: ...A15 BUMP A15 RIGBAR 56 Flying a radial array with A15 LIFT 58 Flying a single enclosure with X BAR 64 Stacking 67 Stacking A15 Wide Focus on KS21 with A TILT 67 Stacking KS21 on KS21 CHARIOT 71 Attac...

Страница 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 an...

Страница 6: ...ional applications As part of a 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 pri...

Страница 7: ...70 110 or 90 asymmetrical and a range of accessories for vertical or horizontal deployment A15 deployment requires a single preset that is optimized to provide amazing plug and play performance for bo...

Страница 8: ...on 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 reg...

Страница 9: ...7 0 7 m 2 3 ft DO10 10 m 32 8 ft and DO25 25 m 82 ft DOSUB LA8 breakout cable for four passive enclosures 4 mm gauge 8 point PA COM to 4 2 point speakON Information about the connection of the enclos...

Страница 10: ...sion 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...

Страница 11: ...components Rigging elements A15 BUMP A15 LIFT A15 RIGBAR A TILT KS21 OUTRIG A MOUNT KS21 CHARIOT X BAR M BAR CLAMP250 LA SLING2T KS21 PLA KS21 COV KS21 CHARIOTCOV K2 JACK A15 owner s manual EN version...

Страница 12: ...irectivity to one of four settings 110 70 symmetric or 90 asymmetric 35 55 or 55 35 The same A15 preset drives all directivity settings of both enclosures Within a line source combine A15 Focus and A1...

Страница 13: ...Electro acoustical description 70 setting Set the ns in the 35 position to provide the system with a 2 dB on axis gain 2 kHz 35 35 90 settings 55 35 35 55 55 35 A15 owner s manual EN version 1 2 13...

Страница 14: ...and a waveguide directivity pattern of 70 110 symmetric or 90 asymmetric 6 dB depending on the ns settings 1001 00010 000 Frequency Hz 90 80 70 60 50 40 30 20 10 0 10 20 30 40 50 60 70 80 90 Angle Dis...

Страница 15: ...agram of one A15 Focus with 110 ns setting using lines of equal sound pressure at 3 dB 6 dB 12 dB 1001 00010 000 Frequency Hz 180 160 140 120 100 80 60 40 20 0 20 40 60 80 100 120 140 160 180 Angle Di...

Страница 16: ...ncy Hz 90 80 70 60 50 40 30 20 10 0 10 20 30 40 50 60 70 80 90 Angle Dispersion angle diagram of one upright A15 Wide using lines of equal sound pressure at 3 dB 6 dB 12 dB 1001 00010 000 Frequency Hz...

Страница 17: ...100 120 140 160 180 Angle Dispersion angle diagram of one A15 Wide with 70 ns setting using lines of equal sound pressure at 3 dB 6 dB 12 dB Symmetrical con gurations The A15 rigging system is design...

Страница 18: ...OUT 1 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_60 outputs channels routing gain delay polarity mute OUT 1 SB IN A 0 dB 0 ms ON OUT 2...

Страница 19: ...peakON A15 Wide 2 4 point speakON Internal pinout for L Acoustics 2 way passive enclosures speakON points 1 1 2 2 Transducer connectors Not linked Not linked KS21 2 4 point speakON Internal pinout for...

Страница 20: ...feature the same rigging system consisting of two elements A rotating rigging arm A spring loaded pin Push and slide to unlock the spring loaded pin SHLAK The rigging elements are tted with yellow saf...

Страница 21: ...lays two ground runners on the bottom and two matching tracks on the top Eight corner stops protect the side panels during handling The logo on the enclosure front can be rotated to adapt to every con...

Страница 22: ...LIFT p 29 A DIN580 compatible M8 threaded insert is available to implement a secondary safety Two sets of two lodgings and one insert provide further options for ying stacking or pole mounting a singl...

Страница 23: ...iption Two ergonomic handles are available for transportation KS21 KS21 features a 35 mm pole socket which contains an M20 150 insert to be compatible with standard and threaded poles A15 owner s manu...

Страница 24: ...ging frame for ying vertical arrays of A15 Wide Focus or KS21 A15 BUMP is equipped with rotating rigging arms and ball locking pins to match the rigging systems of A15 Wide Focus or KS21 on either sid...

Страница 25: ...5 6 7 8 9 10 11 12 13 14 15 16 A15 BUMP can be used as the main lifting accessory for ying vertical arrays of A15 Wide Focus and KS21 with one or two lifting points A15 BUMP can be secured to the bott...

Страница 26: ...d KS21 arrays It can be used as a front or rear extension M BAR is secured to the rigging frame with two T shaped ball locking pins ball locking pins storage position 17 pickup points are available Th...

Страница 27: ...arrays of up to four A15 Wide Focus or KS21 A15 RIGBAR is equipped with rotating rigging arms and ball locking pins to match the rigging systems of A15 Wide Focus or KS21 on either side The rigging ar...

Страница 28: ...ed as a pullback either with A15 BUMP or another A15 RIGBAR as the main lifting accessory A15 RIGBAR can be used as the main lifting accessory to provide a lightweight solution for ying four A15 Wide...

Страница 29: ...implement a secondary safety using available holes One pickup point safety points pickup point Two pickup points pickup points safety point A15 LIFT A15 LIFT is a rigging element designed to y a radi...

Страница 30: ...ble radial array of A15 Wide Focus can be created using multiple A15 LIFT A15 LIFT quantity and position Use one A15 LIFT for up to three enclosures in the array Do not leave more than two adjacent en...

Страница 31: ...me pickup point on each A15 LIFT within an array of up to 6 enclosures For larger arrays refer to Radial arrays of 7 enclosures and more p 95 Hole 11 serves as a setup point in the radial array proced...

Страница 32: ...to Attaching K2 JACK stabilizers to KS21 CHARIOT p 73 Do not use A TILT in a own array The studs on A TILT match the lodgings on the enclosure to enable deployments with the HF section on either side...

Страница 33: ...el displays the opening angle of the accessory and not the site angle of the enclosure Refer to Stacking A15 Wide Focus on KS21 with A TILT p 67 for the list of realized site angles Four 11 mm holes a...

Страница 34: ...Secure KS21 OUTRIG at the bottom of a KS21 array to improve the stability of the array The use of KS21 OUTRIG is mandatory when A15 Wide FocusA15 Wide Focus or A10 Wide Focus are stacked on top of KS2...

Страница 35: ...2 JACK K2 JACK is a set of a two bars and four feet with screw jacks and hand wheels K2 JACK can be tted onto KS21 CHARIOT p 40 to improve stability or correct oor discrepancies During transportation...

Страница 36: ...Rigging system description 36 A15 owner s manual EN version 1 2...

Страница 37: ...ings on the enclosure A MOUNT features two axis the front one can be moved to change the site angle studs angle axis enclosure knob in use wedge clamp position in use The enclosure knob can be stored...

Страница 38: ...de Focus p 76 for the list of realized site angles X BAR X BAR is a rigging bar for ying A15 Wide Focus The rigging system consists of a threaded axis with a cam lever X BAR is secured to the dedicate...

Страница 39: ...Rigging system description Five angulation holes are available 5 4 3 2 1 X BAR is compatible with a 12 mm shackle WLL 1 t provided and with CLAMP250 A15 owner s manual EN version 1 2 39...

Страница 40: ...res two rigging arms to secure the lower KS21 Risk of damage Do not secure A15 Wide Focus directly on KS21 CHARIOT Do not move or transport more than three enclosures on KS21 CHARIOT 1904 mm 75 in KS2...

Страница 41: ...be stacked for storage KS21 PLA KS21 PLA is a dolly board that can be secured to the front of a KS21 with two spring loaded pins Multiple KS21 PLA can be stacked for storage Turn the wheels outwards t...

Страница 42: ...plate KS21 CHARIOTCOV is a cover for a stack of two to three KS21 on KS21 CHARIOT To t a stack of two KS21 KS21 CHARIOTCOV must be folded inwards and secured with the integrated velcro straps foldable...

Страница 43: ...ective when the other deployment parameters provide the best mechanical conditions For mixed arrays refer to your Soundvision model KS21 con guration rigging accessory safe limit maximum limit Vertica...

Страница 44: ...factor will depend on numerous variables linked to the composition of the array type and number of enclosures splay angles and the implementation of the ying or stacking structure number and location...

Страница 45: ...the nominal bandwidth of the enclosures The A15 preset delivers a reference frequency response in medium throw applications The A15 Wide Focus enclosures are driven by the LA4X LA8 LA12X ampli ed con...

Страница 46: ...ratio 1 A15 Wide Focus 1 KS21 Frequency range 10 dB 29 Hz 20 kHz Use xxxx_xx_C on a reversed subwoofer in a cardioid con guration The cardioid con guration consists in reversing 1 element in an array...

Страница 47: ...system operates over the nominal bandwidth of the enclosure The A15_FI preset delivers a reference frequency response in short throw applications The A15 Wide Focus enclosure are driven by the LA4X LA...

Страница 48: ...kHz Use xxxx_xx_C 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...

Страница 49: ...no unattached items remain on the product or assembly Secondary safety Use available holes on the rigging accessories to implement a secondary safety Array orientation Under A15 BUMP and A15 RIGBAR t...

Страница 50: ...R Connect A15 BUMP to the top enclosure on both sides CLICK Connect A15 RIGBAR to the top enclosure on both sides CLICK Final check Visually check that no yellow labels are visible Manually check that...

Страница 51: ...ging system is locked 4 One by one secure additional enclosures under the array Connect each enclosure on both sides before adding the next one SHLAK Final check Visually check that no yellow labels a...

Страница 52: ...vision for maximum con gurations Procedure 1 Prepare a stack of KS21 Connect each enclosure on both sides before adding the new one SHLAK 2 Secure A15 BUMP or A15 RIGBAR on top of the array A15 BUMP A...

Страница 53: ...additional enclosures under the array KS21 A15 Focus or A15 Wide Lower the array onto a KS21 or a stack of KS21 on KS21 CHARIOT Align the runners and the tracks Unlock the KS21 CHARIOT rigging arms T...

Страница 54: ...ck Visually check that no yellow labels are visible Manually check that all linking points are secured Disassembly Removing a stack of KS21 Procedure 1 Position a KS21 CHARIOT under the array 54 A15 o...

Страница 55: ...ed slowly when lowering the array 2 Lower the array until it rests on KS21 CHARIOT 3 Secure the bottom enclosure to KS21 CHARIOT SHLAK 4 Disconnect a stack from the array on both sides Make sure both...

Страница 56: ...ched items remain on the product or assembly Assembly Procedure 1 Prepare a vertical array as described in Flying a vertical array with A15 BUMP A15 RIGBAR p 49 2 Raise the array until the bottom encl...

Страница 57: ...ally check that no yellow labels are visible Manually check that all linking points are secured 4 Secure a shackle to A15 RIGBAR or to pickup point R on A15 BUMP and lift it with an additional motor A...

Страница 58: ...nclosure on which A15 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 as poss...

Страница 59: ...ocks of up to three enclosures Refer to Preparing a block of enclosures p 62 2 Connect the enclosures at the top Pull the enclosures together to align the rigging SHLAK Final check Visually check that...

Страница 60: ...LIFT bars on the array a Disconnect the ball locking pin at the rear of A15 LIFT b Insert the stub at the front of the enclosure c Insert the stub at the rear and secure the ball locking pin CLICK 60...

Страница 61: ...e bottom rigging is accessible For this operation stand behind the array 6 Connect the enclosures at the bottom Pull the enclosures together to align the rigging SHLAK 7 Lower the array to select the...

Страница 62: ...arate the array into blocks of two or three enclosures Connect each enclosure on both sides before adding the new one SHLAK This step requires two operators Make sure all unused rigging arms are in st...

Страница 63: ...6 7 8 9 10 11 12 13 14 15 16 17 setup point FRONT Make sure the pickup points are on hole 11 before lifting the array 3 Raise the array until the bottom rigging is accessible 4 Disconnect the enclosu...

Страница 64: ...ays When ying an enclosure or an array use the M8 DIN580 threaded insert to implement a secondary safety Realized site angles A15 Focus A15 Wide X BAR hole N o rear extension front extension rear exte...

Страница 65: ...cular to the front grill Use the lodgings as reference points 3 Tighten the X BAR a Lift the lever and rotate it counter clockwise release the lever and rotate it clockwise Repeat until the X BAR is t...

Страница 66: ...Rigging procedures b Finally store the lever on the right 4 Select the site angle and secure a shackle or CLAMP250 5 4 3 2 1 66 A15 owner s manual EN version 1 2...

Страница 67: ...A TILT in a own array Alternatively mount the KS21 array on KS21 CHARIOT and use K2 JACK to stabilize the array Refer to Attaching K2 JACK stabilizers to KS21 CHARIOT p 73 Realized site angles realiz...

Страница 68: ...each enclosure on both sides before adding the new one SHLAK 3 Select the widest opening position on A TILT 25 4 Place A TILT on A15 Wide Focus using the lodgings for indexation Consider the nal posi...

Страница 69: ...5 Secure A TILT to the enclosure with the enclosure knob 6 Place the assembly on KS21 7 Adjust the position of A TILT and secure the subwoofer knob inside the pole mounting socket A15 owner s manual...

Страница 70: ...downwards 8 Adjust the site angle Insert the angle pins in the selected opening angle on both sides 20 9 Optionally secure additional enclosures on top of the assembly SHLAK Final check Visually check...

Страница 71: ...KS21 CHARIOT Min number of operators 2 Risk of falling objects Verify that no unattached items remain on the product or assembly Assembly Procedure 1 Engage both brakes on KS21 CHARIOT 2 Place KS21 on...

Страница 72: ...HLAK 4 Repeat until the stack is complete Final check Visually check that no yellow labels are visible Manually check that all linking points are secured 5 Disengage the brakes and position the stack...

Страница 73: ...ked array Rigging accessory K2 JACK KS21 CHARIOT Min number of operators 1 Assembly Procedure 1 Attach the K2 JACK bars to KS21 CHARIOT on each side a Open the locking handles to insert the studs b Ra...

Страница 74: ...the central part is close to the base 3 Attach the feet to the bar Insert the feet at both ends of the bar Pivot the central part so that it comes in contact with the bar Lock the feet in position by...

Страница 75: ...Rigging procedures Stop raising the stack as soon as the wheels get off the ground 4 Rotate the wheels clockwise to raise the array A15 owner s manual EN version 1 2 75...

Страница 76: ...site angles realized site angle selected angle on A MOUNT A15 Wide A15 Focus 15 0 10 5 10 0 0 15 5 Assembly Procedure 1 Place A MOUNT on the enclosure using the lodgings for indexation Consider the na...

Страница 77: ...Rigging procedures 3 Select the site angle and insert the axis in the corresponding hole 5 4 Mount the assembly on a pole and tighten the wedge clamp by hand A15 owner s manual EN version 1 2 77...

Страница 78: ...1 4 2 8 3 12 KS21 1 4 2 6 2 8 Cabling schemes for A15 Wide Focus KS21 Refer to the cabling schemes to connect the enclosures to different types of output connectors One channel speakON output SP SP 1...

Страница 79: ...HF DOSC waveguide L Fins Nominal impedance 8 Connectors IN 1 4 point speakON LINK 1 4 point speakON Rigging and handling ush tting two point rigging system 2 handles 8 corner stops 2 ground runners 1...

Страница 80: ...Speci cations A15 Focus dimensions 427 mm 16 8 in 762 mm 30 in 431 mm 17 in 347 mm 13 7 in 490 mm 19 3 in 752 mm 29 6 in 522 mm 20 6 in 80 A15 owner s manual EN version 1 2...

Страница 81: ...waveguide L Fins Nominal impedance 8 Connectors IN 1 4 point speakON LINK 1 4 point speakON Rigging and handling ush tting two point rigging system 2 handles 8 corner stops 2 ground runners 1 DIN580...

Страница 82: ...Speci cations A15 Wide dimensions 424 mm 16 7 in 762 mm 30 in 182 mm 7 2 in 494 mm 19 4 in 752 mm 29 6 in 525 mm 20 7 in 82 A15 owner s manual EN version 1 2...

Страница 83: ...peakON LINK 1 4 point speakON Rigging and handling ush tting two point rigging system 4 handles 8 corner stops 2 ground runners 1 pole mount with M20 150 insert Weight net 49 kg 108 lb Cabinet premium...

Страница 84: ...Speci cations KS21 dimensions 571 mm 22 5 in 762 mm 30 in 576 mm 22 7 in 569 mm 22 4 in 602 mm 23 7 in 752 mm 29 6 in 620 mm 24 4 in 575 mm 22 6 in 84 A15 owner s manual EN version 1 2...

Страница 85: ...ame for vertical deployment of A15 and KS21 2 12 mm shackles WLL 1 t Weight net 19 kg 42 lb Material high grade steel with anti corrosion coating A15 BUMP dimensions 77 mm 3 in 656 mm 25 8 in 600 mm 2...

Страница 86: ...ion coating A15 LIFT dimensions 139 mm 5 5 in 50 mm 2 in 25 mm 1 in 629 mm 24 8 in A15 RIGBAR speci cations Description Rigging bar and pullback for A15 and KS21 2 12 mm shackles WLL 1 t Weight net 4...

Страница 87: ...mm 14 2 in 415 mm 16 3 in 127 mm 5 in KS21 OUTRIG speci cations Speci cations for one KS21 OUTRIG bar Always use in pairs Description Stability bars for KS21 Weight net 3 5 kg 7 7 lb Rigging and hand...

Страница 88: ...le mount for A15 and A10 Weight net 1 1 kg 2 4 lb Material high grade steel with anti corrosion coating A MOUNT dimensions 36 mm 1 4 in 152 mm 6 in 68 mm 2 7 in 152 mm 6 in 97 mm 3 8 in 131 mm 5 1 in...

Страница 89: ...cations KS21 CHARIOT speci cations Description Chariot for 3 KS21 Weight net 23 6 kg 52 lb KS21 CHARIOT dimensions 712 mm 28 in 840 mm 33 in 67 8 mm 2 6 in 225 mm 8 9 in A15 owner s manual EN version...

Страница 90: ...steel with anti corrosion coating K2 JACK dimensions 426 mm 16 8 in 1278 mm 50 3 in 124 mm 4 9 in M BAR speci cations Description Extension bar for rigging frame 2 19 mm shackles WLL 3 25 t Weight ne...

Страница 91: ...ion Rigging bar for 1 enclosure 1 12 mm shackle WLL 1 t Weight net 1 1 kg 2 4 lb Material high grade steel with anti corrosion coating X BAR dimensions 185 mm 7 3 in 13 mm 0 5 in 83 mm 3 3 in 85 mm 3...

Страница 92: ...eci cations Description Clamp certi ed for 250 kg Weight net 1 8 kg 4 lb Material high grade steel with anti corrosion coating CLAMP250 dimensions 167 mm 6 6 in 103 mm 4 1 in 227 mm 8 9 in 92 A15 owne...

Страница 93: ...tions KS21 PLA speci cations Description Removable front dolly for 1KS21 Weight net 9 5 kg 21 lb KS21 PLA dimensions 148 mm 5 8 in 20 mm 0 8 in 569 mm 22 4 in 738 mm 29 in A15 owner s manual EN versio...

Страница 94: ...e A15 LIFT for up to three enclosures in the array Do not leave more than two adjacent enclosures unsupported A15 LIFT pickup point Select the same pickup point on each A15 LIFT within an array of up...

Страница 95: ...array In radial arrays of 7 enclosures and more make sure the site angle is 0 Position the pickup points to that the center of gravity is in the middle of the array Setup point for radial arrays of 7...

Страница 96: ...with the new TEQSAS LAP TEQ PLUS displays Conversely the new sensors are not compatible with the legacy displays With two sets of xation points and eight slit openings the position and orientation of...

Страница 97: ...he 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 load 4 load 2 7 load mm 2...

Страница 98: ...w l acoustics com L Acoustics GmbH Steierm rker Str 3 5 70469 Stuttgart Germany 49 7 11 89660 323 L Acoustics Ltd PO Box Adler Shine Aston House Cornwall Avenue London N3 1LF United Kingdom 44 7224 11...

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