L-Acoustics Kara IIi Owner's Manual
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L-Acoustics Kara IIi Owner's Manual

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Summary of Contents for L-Acoustics Kara IIi

  • Page 1 Kara IIi owner's manual (EN)
  • Page 2 Document reference: Kara IIi owner's manual (EN) version 2.0 Distribution date: March 30, 2021 © 2021 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: Table Of Contents

    Contents Safety................................5 Instructions..............................5 Introduction................................ 7 Kara IIi long throw line source for install....................7 How to use this manual..........................7 System components.............................8 Loudspeaker cables........................... 9 Rigging elements............................9 Rigging plates..........................10 Electro-acoustical description..........................11 Adjustable ns............................11 Directivity............................... 13 Preset description............................ 15 Connectors.............................
  • Page 4 Adding a pullback with KARAIIi-RIGBAR..................65 Ceiling-mounting............................. 67 Mounting a Kara IIi array with KARAIIi-TILTBRACKET................ 67 Mounting an SB18 IIi / Kara IIi array with KARAIIi-FIXBRACKET............73 Stacking..............................76 Stacking a Kara IIi array with KARAIIi-TILTBRACKET................76 Stacking Kara IIi on top of SB18 IIi with KARAIIi-TILT................ 81 Exchanging Kara IIi grills........................

  • Page 5: Safety

    Respect the Working Load Limit (WLL) of third party equipment. L-Acoustics is not responsible for any rigging equipment and accessories provided by third party manufacturers. Verify that the Working Load Limit (WLL) of the suspension points, chain hoists and all additional hardware rigging accessories is respected.
  • Page 6 This system is intended for use by trained personnel for professional 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 prior notice.

  • Page 7: Introduction

    tting integration requirements. With class-leading SPL per weight and footprint, Kara IIi is ideal for venues that require clarity and long throw capability such as performing arts centers, theaters, operas, houses of worship, corporate facilities and exhibition centers.

  • Page 8: System Components

    KARAIIi-LINK Rigging plates for Kara IIi KARAIIi-ENDLINK End rigging plates for Kara IIi KARAIIi-TILT Rigging element with angles for Kara IIi above or under SB18 IIi SB18IIi-LINK Rigging plates for SB18 IIi SB18IIi-ENDLINK End rigging plates for SB18 IIi KARAIIi-FIXBRACKET...

  • Page 9: Loudspeaker Cables

    Refer to the LA Network Manager help. Loudspeaker cables 2.5 mm cable 4 x 2.5 mm cable 4-point speakON cable (2.5 mm gauge) to bare wire cable This cable needs to be custom made. Rigging elements M-BARi KARAIIi-RIGBAR KARAIIi-BUMP KARAIIi-SCREEN SB18IIi-SCREEN Kara IIi owner's manual (EN) version 2.0...

  • Page 10: Rigging Plates

    SB18 IIi KARAIIi-TILT KARAIIi-FIXBRACKET KARAIIi-TILTBRACKET Rigging elements with angles for Fastening brackets for Fastening brackets Kara IIi above or under SB18 IIi Kara IIi and SB18 IIi with angles for Kara IIi Kara IIi owner's manual (EN) version 2.0...

  • Page 11: Electro-Acoustical Description

    Electro-acoustical description Adjustable ns Kara IIi features L-Fins to adjust the waveguide directivity to one of four settings: 110° / 70° symmetric or 90° asymmetric (35°/55° or 55°/35°). A specic Kara IIi preset must be used for each directivity setting.
  • Page 12 70° setting (preset [KARA II 70]) Set the ns in the 35° position to provide the system with a 2 dB on-axis gain (> 1 kHz), compared to the 110° setting. 90° settings (preset [KARA II 90]) Kara IIi owner's manual (EN) version 2.0...

  • Page 13: Directivity

    Electro-acoustical description Mixed settings Directivity Horizontal Dispersion angle diagrams of one Kara IIi in the horizontal plane for all ns settings using lines of equal sound pressure at -3 dB, -6 dB, -12 dB. -100 -120 -140 -160 -180 1 000...
  • Page 14 Electro-acoustical description -100 -120 -140 -160 -180 1 000 10 000 Frequency (Hz) 70° ns setting -100 -120 -140 -160 -180 1 000 10 000 Frequency (Hz) 90° ns setting Kara IIi owner's manual (EN) version 2.0...

  • Page 15: Preset Description

    [KS28_60_C] [KS28_60_Cx] [SB28_60_C] [SB28_60_Cx] [KS21_60_C] [KS21_100_C] [KS21_60_Cx] [KS21_100_Cx] [SB18_60_C] [SB18_100_C] [SB18_60_Cx] [SB18_100_Cx] loudspeaker elements outputs channels routing gain delay polarity mute OUT 1 IN A 0 dB 0 ms OUT 2 OUT 3 OUT 4 Kara IIi owner's manual (EN) version 2.0...

  • Page 16: Connectors

    LF - HF + HF - SB18 IIi 1 × 4-point terminal block with push-in connection Internal pinout for L-Acoustics subwoofers terminal block points IN + IN - Transducer connectors LF + LF - Kara IIi owner's manual (EN) version 2.0...

  • Page 17: Rigging System Description

    Rigging system description Kara IIi / SB18 IIi system rigging The Kara IIi / SB18 IIi system is the installation version of the Kara II / SB18 system and features a simplied rigging approach to optimize visual impact. The enclosures are assembled together with rigging plates and rigging accessories suited for installation. Like the Kara II / SB18 system, the enclosures can be deployed in own or stacked arrays.

  • Page 18: Enclosures

    Kara IIi is compatible with two types of rigging plates: standard rigging plates (KARAIIi-LINK) end rigging plates (KARAIIi-ENDLINK) With KARAIIi-LINK, the inter-element angle between two Kara IIi can be set to 0°, 1°, 2°, 3°, 4°, 5°, 7.5° or 10°. 0° +1°...
  • Page 19 KARAIIi-RIGBAR (last enclosure with pullback) – KARAIIi-TILTBRACKET all angles none (last enclosure in the array) – Rigging screws Only use the rigging screws provided by L-Acoustics. Do not use the placeholder screws for rigging. Kara IIi owner's manual (EN) version 2.0...

  • Page 20: Sb18 Iii

    Rigging system description SB18 IIi SB18 IIi is the dedicated subwoofer for Kara IIi. SB18 IIi is compatible with two types of rigging kits: standard rigging plates (SB18IIi-LINK) end rigging plates (SB18IIi-ENDLINK) SB18 IIi features ten M6 inserts on each side:...

  • Page 21: Rigging Elements

    KARAIIi-BUMP KARAIIi-BUMP is a rigging frame for ying arrays of Kara IIi or SB18 IIi. KARAIIi-BUMP can be used as the main lifting accessory for ying vertical arrays of Kara IIi and SB18 IIi with one or two lifting points.
  • Page 22 Rigging system description KARAIIi-BUMP is secured to the array with four M6x18 screws and M6 nuts (provided). With KARAIIi-LINK, the splay angle with Kara IIi can be set to -5°, -4°, -3°, -2°, -1°, 0°, +2.5°, or +5°. 5 N.m 10 mm 5 N.m...
  • Page 23 10° +5° It is recommended to set a 0° splay angle (5° in Soundvision) between the rst Kara IIi and KARAIIi-BUMP. By doing this, the Kara IIi axis is parallel to KARAIIi-BUMP. Nine pickup points are available on the central bar for site angle adjustment. They are compatible with Ø19 mm shackles WLL 3.25 t (two provided).

  • Page 24: M-Bari

    M-BARi The M-BARi extension bar can be secured on KARAIIi-BUMP to extend the site angle capability of Kara IIi and SB18 IIi arrays. It can be used as a front or rear extension, with two possible positions each (A or B).
  • Page 25 KARAIIi-ENDLINK or SB18IIi-ENDLINK is required on the top enclosure. Risk of collision between shackle and rigging frame When using KARAIIi-BUMP as the main lifting accessory for a pullback conguration, always secure M-BARi on KARAIIi-BUMP and use the rear pickup point (N°16). Kara IIi owner's manual (EN) version 2.0...
  • Page 26 Rigging system description When used at the top of the array as the main lifting accessory, KARAIIi-RIGBAR can be secured at the front for an initial positive site angle. Kara IIi owner's manual (EN) version 2.0...
  • Page 27 Maximum limit with CLAMP250. CLAMP250 has a WLL (Working Load Limit) of 250 kg / 550 lb. It can support an array of up to 11 Kara IIi or 5 SB18 IIi. For an hybrid array, check the total weight of the array in Soundvision.

  • Page 28: Karaiii-Tilt

    Rigging system description KARAIIi-TILT KARAIIi-TILT is a site angle adjustment accessory for linking SB18 IIi and Kara IIi in a stacked or own array. Stacking Kara IIi on SB18 IIi When stacking Kara IIi on SB18 IIi with KARAIIi-TILT, Kara IIi must be turned upside-down (logo on the left- hand side).
  • Page 29 • inter-element angles from +5° to -15° in 2.5° steps When KARAIIi-TILT is secured in standard orientation to a reversed SB18 IIi in a cardioid conguration, the SB18 IIi grill cannot be removed. Kara IIi owner's manual (EN) version 2.0...
  • Page 30 SB18IIi-SCREEN cannot be secured on the enclosure. Geometric delay with reversed KARAIIi-TILT In an SB18 IIi / Kara IIi array where KARAIIi-TILT is reversed, add 1 ms geometric delay to Kara IIi. For more details about angle settings with KARAIIi-TILT, refer to APPENDIX A: Angle settings with KARAIIi-TILT (p.137).

  • Page 31: Karaiii-Fixbracket / Karaiii-Tiltbracket

    Secure KARAIIi-FIXBRACKET at the bottom of an array to improve stability and to anchor it to the ground. KARAIIi-TILTBRACKET is a set of four fastening brackets with site angle adjustment for a stack of up to three Kara IIi. The enclosure is secured to KARAIIi-TILTBRACKET using the round hole.
  • Page 32 Rigging system description When KARAIIi-TILTBRACKET is secured to Kara IIi with the angle bracket at the front, the grills cannot be removed and KARAIIi-SCREEN cannot be secured on the enclosure. The grills on the rst enclosure can be exchanged before rigging. Refer to Exchanging Kara IIi grills (p.92).
  • Page 33 Otherwise, it is not possible to mount additional Kara IIi under the rst one, and the site angle is not accurate. For aesthetic purposes, the front grills can be removed and exchanged when the enclosures are assembled. Refer Exchanging Kara IIi grills (p.92).

  • Page 34: Front Screens

    Rigging system description Front screens KARAIIi-SCREEN and SB18IIi-SCREEN are acoustically transparent front screens for Kara IIi and SB18 IIi. The screens are secured on top of the rigging plates with four M6×35 Torx screws which replace the grill screws. The grill screws can be removed through the rigging plates.
  • Page 35 The screens are equipped with tabs to hold the grill in place when securing the screen on the enclosure. SB18IIi-SCREEN can be secured to the back of SB18 IIi when used in cardioid conguration. The cable(s) can be passed through a cutout on the screen side. Kara IIi owner's manual (EN) version 2.0...

  • Page 36: Mechanical Safety

    Mechanical safety Flown congurations The Kara IIi rigging system complies with 2006/42/EC: Machinery Directive. It has been designed following the guidelines of BGV-C1. 2006/42/EC: Machinery Directive species a safety factor of 4 against the rupture. The own deployments described in this manual achieve a safety factor of 4 or more.
  • Page 37 It is the user's responsibility to secure the array and to ignore the warning. Additional safety for own arrays When ying an array, use available holes to implement a secondary safety. Kara IIi owner's manual (EN) version 2.0...
  • Page 38 Soundvision calculations are based on usual environmental conditions. A higher safety factor is recommended with factors such as extreme high or low temperatures, strong wind, prolonged exposition to salt water, etc. Always consult a rigging specialist to adopt safety practices adapted to such a situation. Kara IIi owner's manual (EN) version 2.0...

  • Page 39: Loudspeaker ConGurations

    Loudspeaker congurations Line source Deployed as a standalone line source, a Kara IIi system operates over the nominal bandwidth of the Kara IIi enclosure, with an adjustable horizontal directivity. The [KARA II 70], [KARA II 90], and [KARA II 110] presets deliver a reference frequency response in long throw applications.

  • Page 40: Line Source With Low-Frequency Element

    Loudspeaker congurations Line source with low-frequency element A Kara IIi line source can be deployed with additional subwoofer enclosures to extend the bandwidth in the low end or increase sub-low resources. Three congurations are available: • Coupled SB18 IIi or KS21i - ratio 3:1 •...
  • Page 41 Do not forget to add the pre-alignment and geometric delays depending on the conguration. Geometric delay with reversed KARAIIi-TILT In an SB18 IIi / Kara IIi array where KARAIIi-TILT is reversed, add 1 ms geometric delay to Kara IIi. Pre-alignment delays...
  • Page 42 Loudspeaker congurations Separated SB18 IIi or KS21i 3 Kara IIi : 2 SB18 IIi or KS21i Enclosure Kara IIi SB18 IIi or KS21i Preset [KARA II 70] [KARA II 90] [KARA II 110] [xxxx_60] 32 Hz - 20 kHz with SB18 IIi...
  • Page 43 Kara II = 0.5 ms KS21 = 0 ms [KARA II] + [KS21_60_C] Kara II = 6 ms KS21 = 0 ms [KARA II] + [KS21_60_Cx] Kara II = 5.5 ms KS21 = 0 ms Kara IIi owner's manual (EN) version 2.0...
  • Page 44 Loudspeaker congurations Coupled SB18 IIi or KS21i with KS28 or SB28 3 Kara IIi : 1 SB18 IIi or KS21i : 1 SB28 or KS28 Maximum number of enclosures in mixed lines for optimal acoustic coupling: 9 Kara IIi + 3 SB18 IIi...
  • Page 45 Do not forget to add the pre-alignment and geometric delays depending on the conguration. Geometric delay with reversed KARAIIi-TILT In an SB18 IIi / Kara IIi array where KARAIIi-TILT is reversed, add 1 ms geometric delay to Kara IIi. Pre-alignment delays...

  • Page 46: Line Source Element

    Loudspeaker congurations Line source element One or two Kara IIi can be used as a line source element. In this conguration, the system operates without the low-end of the bandwidth. The [KARA II_FI] presets delivers a at frequency response for short throw applications and a high-pass lter at 100 Hz.

  • Page 47: Rigging Procedures

    • At the bottom: the shape of the rigging plate is parallel to the edge of the enclosure and the holes and inserts are aligned. For other Kara IIi rigging plates (front KARAIIi-LINK rigging plates, KARAIIi-ENDLINK), the left and right plates are identical.
  • Page 48 Enclosures must be equipped with rigging plates before assembling them. It is recommended to use the rigging report from Soundvision to prepare the enclosures. Identify which inserts (A or B) will be used on each Kara IIi depending on the inter-element angles.

  • Page 49: Tools

    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 13 mm wrench Kara IIi owner's manual (EN) version 2.0...

  • Page 50: Flying

    Type of deployment own array Rigging accessories KARAIIi-BUMP M-BARi (optional) KARAIIi-TILT (for a Kara IIi / SB18 IIi array) Kara IIi / SB18 IIi rigging plates Screws and fasteners M6×18 Torx rigging screws (provided) M6 hex lock nuts (provided) Tools...
  • Page 51 Rigging procedures Kara IIi array assembly Procedure 1. Prepare all Kara IIi needed for the array. Risk of acoustic leaks Do not remove the placeholder screws from the bottom rear inserts (A or B) that are not used. Remove the relevant placeholder screws.
  • Page 52 Select the holes on KARAIIi-LINK, depending on the splay angle. It is recommended to set a 0° splay angle (5° in Soundvision) between the rst Kara IIi and KARAIIi-BUMP. By doing this, the Kara IIi axis is parallel to KARAIIi-BUMP.
  • Page 53 Hold the enclosure at the bottom until the rigging plates are secured. 4. Secure the second Kara IIi under the array. a) Lift Kara IIi and link the enclosures at the front with rigging screws. Do not fully tighten the screws.
  • Page 54 Apply a torque of 5 N.m. 7. Check that all the screws are secured and tightened and raise the array. What to do next • Adding a pullback with KARAIIi-RIGBAR (p.65) • Securing a screen (p.94) Kara IIi owner's manual (EN) version 2.0...
  • Page 55 Rigging procedures SB18 IIi / Kara IIi array assembly About this task When KARAIIi-TILT is secured to SB18 IIi in reversed orientation, the SB18 IIi grill cannot be removed and SB18IIi- SCREEN cannot be secured on the enclosure. Procedure 1. Prepare all SB18 IIi needed for the array.
  • Page 56 KARAIIi-BUMP pickup points 9 10 11 12 13 14 15 16 M-BARi pickup points 4. Secure a second SB18 IIi under the array. a) Place SB18 IIi (equipped with SB18IIi-LINK) under the array. Kara IIi owner's manual (EN) version 2.0...
  • Page 57 Rigging procedures b) Lower the array until the enclosures can be assembled. The rigging plates of the bottom enclosure overlap the rigging plates of the top enclosure. c) Link the enclosures with rigging screws. Kara IIi owner's manual (EN) version 2.0...
  • Page 58 5. Repeat step (p.56) until all SB18 IIi are assembled. 6. Prepare a Kara IIi with KARAIIi-ENDLINK and KARAIIi-TILT. Risk of acoustic leaks Do not remove the placeholder screws from the bottom rear inserts (A or B) that are not used.
  • Page 59 This step requires three operators. Hold the enclosure at the bottom until the rigging plates are secured. 7. Secure the Kara IIi / KARAIIi-TILT assembly under the array. a) Lift the assembly and secure KARAIIi-TILT to SB18 IIi with rigging screws.
  • Page 60 Apply a torque of 5 N.m. 5 N.m c) Remove the bottom screws from the Kara IIi rigging plates. 8. To add additional Kara IIi under the array, follow the procedure in Kara IIi array assembly (p.51). 9. Check that all screws are present and tightened, and raise the array.

  • Page 61: Flying An Array With Karaiii-Rigbar

    Rigging procedures Flying an array with KARAIIi-RIGBAR Type of deployment own Rigging accessories KARAIIi-RIGBAR Kara IIi / SB18 IIi rigging plates Screws and fasteners M6×40 Torx rigging screws (provided) M6×18 Torx rigging screws (provided) Tools torque screwdriver T30 Torx bit Min.
  • Page 62 KARAIIi-LINK (connecting from an enclosure below) 0°, 2°, 4°, 7.5° 1°, 3°, 5°, 10° KARAIIi-RIGBAR (last enclosure with pullback) – KARAIIi-TILTBRACKET all angles none (last enclosure in the array) – On SB18 IIi Kara IIi owner's manual (EN) version 2.0...
  • Page 63 Rigging procedures b) Secure end rigging plates on the enclosure. • KARAIIi-ENDLINK on Kara IIi • SB18IIi-ENDLINK on SB18 IIi Do not secure the rear top screws on each side. Kara IIi owner's manual (EN) version 2.0...
  • Page 64 Maximum limit with CLAMP250. CLAMP250 has a WLL (Working Load Limit) of 250 kg / 550 lb. It can support an array of up to 11 Kara IIi or 5 SB18 IIi. For an hybrid array, check the total weight of the array in Soundvision.

  • Page 65: Adding A Pullback With Karaiii-Rigbar

    Screws and fasteners M6×40 Torx screws (provided) Tools torque screwdriver T30 Torx bit Min. number of operators KARAIIi-RIGBAR uses rear linking points B on Kara IIi. Assembly Prerequisite Prepare the array as described in Flying an array with KARAIIi-BUMP (p.50) or Flying an array with KARAIIi-RIGBAR (p.61).
  • Page 66 3. Secure KARAIIi-RIGBAR at the rear of the enclosure with M6×40 Torx screws. Apply a torque of 5 N.m. 5 N.m 4. Secure a shackle to KARAIIi-RIGBAR and lift it with an additional motor. Kara IIi owner's manual (EN) version 2.0...

  • Page 67: Ceiling-Mounting

    Otherwise, it is not possible to mount additional Kara IIi under the rst one, and the site angle is not accurate. For aesthetic purposes, the front grills can be removed and exchanged when the enclosures are assembled. Refer Exchanging Kara IIi grills (p.92).
  • Page 68 Rigging procedures When KARAIIi-TILTBRACKET is secured to Kara IIi with the angle bracket at the front, the grills cannot be removed and KARAIIi-SCREEN cannot be secured on the enclosure. The grills on the rst enclosure can be exchanged before rigging. Refer to Exchanging Kara IIi grills (p.92).
  • Page 69 This step requires three operators. Hold the enclosure at the bottom until the rigging plates are secured. 3. Turn Kara IIi upside-down and secure it to KARAIIi-TILTBRACKET with rigging screws. a) Secure the enclosure to the round hole on the short bracket.
  • Page 70 Rigging procedures 4. Prepare one or two additional Kara IIi. Risk of acoustic leaks Do not remove the placeholder screws from the bottom rear inserts (A or B) that are not used. Remove the relevant placeholder screws. Kara IIi rear linking points...
  • Page 71 Hold the enclosure at the bottom until the rigging plates are secured. 5. Secure an additional enclosure under the array. a) Turn the next Kara IIi upside-down and link the enclosures at the front with rigging screws. Do not fully tighten the screws.
  • Page 72 5 N.m 8. Check that all the screws are secured and tightened. What to do next • Exchange the Kara IIi grills so that the logo is positionned on the right-hand side: Exchanging Kara IIi grills (p.92), • or secure a screen: Securing a screen (p.94)

  • Page 73: Mounting An Sb18 Iii / Kara Iii Array With Karaiii-Fixbracket

    Rigging procedures Mounting an SB18 IIi / Kara IIi array with KARAIIi-FIXBRACKET Type of deployment ceiling-mounted Rigging accessories KARAIIi-FIXBRACKET KARAIIi-TILT SB18IIi-ENDLINK Kara IIi rigging plates Screws and fasteners M6×18 Torx rigging screws (provided) 4 × M10 screws and anchors Tools...
  • Page 74 Model the array in Soundvision and check the loads on rigging in the Mechanics view. 778 mm / 30.6 in Ø 12 mm / 0.5 in 2. Prepare an SB18 IIi. a) Remove the placeholder screws. Kara IIi owner's manual (EN) version 2.0...
  • Page 75 Apply a 5 N.m. torque. 5 N.m 4. Remove the bottom rigging screws from SB18 IIi. 5. Secure up to two Kara IIi under the array with KARAIIi-TILT. Refer to SB18 IIi / Kara IIi array assembly (p.55). 6. Check that all the screws are secured and tightened.

  • Page 76: Stacking

    Kara IIi plates for Kara IIi When KARAIIi-TILTBRACKET is secured to Kara IIi with the angle bracket at the front, the grills cannot be removed and KARAIIi-SCREEN cannot be secured on the enclosure. The grills on the rst enclosure can be exchanged before rigging. Refer to Exchanging Kara IIi grills (p.92).
  • Page 77 Remove the relevant placeholder screws. At the bottom rear, remove placeholder screws "A". b) Secure KARAIIi-LINK on the enclosure. For an array of one enclosure, secure KARAIIi-ENDLINK instead. Do not secure the bottom screws. Kara IIi owner's manual (EN) version 2.0...
  • Page 78 Rigging procedures Risk of crushing injury Keep ngers away from underneath the enclosure. 3. Secure Kara IIi to KARAIIi-TILTBRACKET with rigging screws. a) Secure the enclosure to the round hole on the short bracket. Do not fully tighten the screws.
  • Page 79 Do not secure the bottom screws. Risk of crushing injury Keep ngers away from underneath the enclosure. 5. Secure the next Kara IIi on top of the array. a) Link the enclosures at the front with rigging screws. Adjusting the gap between stacked enclosures Place a wedge or a lever between the two enclosures to align the rigging with the inserts.
  • Page 80 7. Tighten the screws on the last enclosure. Apply a torque of 5 N.m. 8. Check that all the screws are secured and tightened. What to do next • Securing a screen (p.94) Kara IIi owner's manual (EN) version 2.0...

  • Page 81: Stacking Kara Iii On Top Of Sb18 Iii With Karaiii-Tilt

    Rigging procedures Stacking Kara IIi on top of SB18 IIi with KARAIIi-TILT Type of deployment stacked Rigging accessories KARAIIi-FIXBRACKET (recommended) KARAIIi-TILT Kara IIi / SB18 IIi rigging plates Screws and fasteners M6×18 Torx rigging screws (provided) 4 × M10 screws and anchors...
  • Page 82 Rigging procedures Stacking Kara IIi on SB18 IIi When stacking Kara IIi on SB18 IIi with KARAIIi-TILT, Kara IIi must be turned upside-down (logo on the left- hand side). Otherwise, it is not possible to secure Kara IIi to KARAIIi-TILT.
  • Page 83 Procedure 1. Secure KARAIIi-FIXBRACKET to the ground using M10 screws. 778 mm / 30.6 in Ø 12 mm / 0.5 in 2. Prepare up to three SB18 IIi. a) Remove the placeholder screws. Kara IIi owner's manual (EN) version 2.0...
  • Page 84 On the last enclosure of the array, secure SB18IIi-ENDLINK instead. Risk of crushing injury Keep ngers away from underneath the enclosure. 3. Secure SB18 IIi to the slotted holes on KARAIIi-FIXBRACKET. Tighten the bottom screws. Apply a 5 N.m. torque. 5 N.m Kara IIi owner's manual (EN) version 2.0...
  • Page 85 The last SB18 IIi must be equipped with SB18IIi-ENDLINK. 5. Remove the top rigging screws from the last SB18 IIi. 6. Tighten all the screws on the array. Apply a torque of 5 N.m. Kara IIi owner's manual (EN) version 2.0...
  • Page 86 Rigging procedures 7. Secure KARAIIi-TILT on top of the array. Select the holes on KARAIIi-TILT depending on the inter-element angle with Kara IIi. Refer to APPENDIX A: Angle settings with KARAIIi-TILT (p.137). 8. Prepare a Kara IIi. Risk of acoustic leaks Do not remove the placeholder screws from the bottom rear inserts (A or B) that are not used.
  • Page 87 Secure KARAIIi-ENDLINK on the enclosure. Do not secure the top rigging screws. 9. Turn Kara IIi upside-down and secure it on top of the array. a) Secure Kara IIi to KARAIIi-TILT with rigging screws. Select the holes on KARAIIi-TILT depending on the inter-element angle. Refer to...
  • Page 88 Rigging procedures c) Remove the top rigging screws from Kara IIi. 10. Prepare additional Kara IIi. Risk of acoustic leaks Do not remove the placeholder screws from the bottom rear inserts (A or B) that are not used. Remove the relevant placeholder screws.
  • Page 89 Risk of crushing injury Keep ngers away from underneath the enclosure. 11. Secure each additional Kara IIi upside-down on top of the array. Adjusting the gap between stacked enclosures Place a wedge or a lever between the two enclosures to align the rigging with the inserts.
  • Page 90 +7.5° +5° +4° +3° +2° +1° 0° c) Tighten all the screws on the supporting enclosure. Apply a torque of 5 N.m. 5 N.m 12. Repeat step (p.89) until the array is complete. Kara IIi owner's manual (EN) version 2.0...
  • Page 91 5 N.m 14. Check that all screws are secured and tightened. What to do next • Exchange the Kara IIi grills so that the logo is positioned on the right-hand side: Exchanging Kara IIi grills (p.92), • or secure a screen: Securing a screen (p.94)

  • Page 92: Exchanging Kara Iii Grills

    The Kara IIi front grills can be removed when the enclosure is within an array. This allows to: • perform maintenance on the speakers without taking down the array • exchange the Kara IIi grills when they are upside-down, so that the logo is always on the right-hand side Procedure 1.
  • Page 93 Rigging procedures 3. Exchange the position of the grills and secure them. Kara IIi owner's manual (EN) version 2.0...

  • Page 94: Securing A Screen

    Type of deployment all deployments, except: • SB18 IIi secured to KARAIIi-TILT with the angle bracket at the front • Kara IIi secured to KARAIIi-TILTBRACKET with the angle bracket at the front Accessories SB18IIi-SCREEN for SB18 IIi KARAIIi-SCREEN for Kara IIi Screws and fasteners M6×35 Torx screws (provided)
  • Page 95 Always use the self-sticking washers for securing screens when there are no rigging plates on the enclosure. Risk of falling objects Only use the provided M6×35 Torx screws to secure the screens. 3. Secure the screen to the enclosure. Kara IIi owner's manual (EN) version 2.0...
  • Page 96 If SB18 IIi is reversed (cardioid conguration), connect the cables to the enclosure before securing SB18IIi- SCREEN. Pass the cables through the cutout on the screen side. Connection to LA amplied controllers (p.97) for cabling instructions. Kara IIi owner's manual (EN) version 2.0...

  • Page 97: Connection To La AmpliEd Controllers

    LA8 can drive up to two SB18 IIi per output, but no more than six per controller at high level. Kara IIi owner's manual (EN) version 2.0...

  • Page 98: Cabling Schemes

    Refer to the cabling schemes to connect the enclosures to different types of connectors and output congurations. Refer to the LA2Xi owner's manual for more information on output congurations. Terminal block output (SE) 4− 3− 2− 2.5 mm² cables 1− Kara IIi owner's manual (EN) version 2.0...
  • Page 99 Terminal block output (BTL) 4− 3− 2.5 mm² cables 2− 1− One-channel speakON output custom cable 2.5 mm² cable 1+/1- Two-channel speakON output custom cable 2.5 mm² cable 1+/1- 2+/2- 2.5 mm² cable Kara IIi owner's manual (EN) version 2.0...

  • Page 100: Cabling Kara Iii And Sb18 Iii

    This procedure describes how to connect the input cable to the enclosure. If the enclosure must be connected in parallel, remove the protective plug from the second cable gland and proceed identically for both cables. Procedure 1. On the connector sealing plate, remove the sealing nut from the cable gland. Kara IIi owner's manual (EN) version 2.0...
  • Page 101 2. Insert the cable through the sealing nut and the cable gland. 3. Strip the wires off the cable. 30 mm 10 mm 30 mm 10 mm 2 x 2.5 mm² cable (for SB18 IIi) 4 x 2.5 mm² cable (for Kara IIi) Kara IIi owner's manual (EN) version 2.0...
  • Page 102 Refer to the cable manufacturer documentation for the wire color code. 4. Push the wires into the terminals. If necessary, insert a small tool in the hole next to the terminal to unlock it. Connecting SB18 IIi Connecting Kara IIi Kara IIi owner's manual (EN) version 2.0...
  • Page 103 5. Secure the connector sealing plate to the connector plate. 3 N.m 6. Tighten the sealing nut. What to do next To remove the cables, use the small tool to unlock the terminals and pull on the wires. Kara IIi owner's manual (EN) version 2.0...

  • Page 104: Corrective Maintenance

    ® ® tools. The Maintenance Toolcase includes tools manufactured by FACOM , Fluke , Tohnichi, ABUS and Würth. All third-party trademarks, registered trademarks, or product names are the property of their respective owners. Kara IIi owner's manual (EN) version 2.0...

  • Page 105: Kara Iii

    Kara IIi Kara IIi exploded views In order to operate, follow the order outlined here. Each assembly refers to the corresponding Disassembly/Reassembly (D/R) procedure and the necessary repair kit. GRILL FINS LF SPEAKER G03616 Kara IIi owner's manual (EN) version 2.0...
  • Page 106 Corrective maintenance CONNECTOR PLATE HF DRIVER HF DIAPHRAGM G03521 G03520 Kara IIi owner's manual (EN) version 2.0...
  • Page 107 For safety reasons, always use the new screws and spare parts provided in the KR. If no new screws are available, use blue threadlocker. Push on the grill towards the center of the enclosure to remove it. Kara IIi owner's manual (EN) version 2.0...
  • Page 108 If no new screws are available, use blue threadlocker. Use a at tool made of smooth plastic to avoid scratching the ns. Use the at tool to unhook the n clips 3 N.m Kara IIi owner's manual (EN) version 2.0...
  • Page 109 For safety reasons, always use the new screws and spare parts provided in the KR. If no new screws are available, use blue threadlocker. If the speaker gasket is damaged, remove and replace it. 3 N.m Kara IIi owner's manual (EN) version 2.0...
  • Page 110 If no new screws are available, use blue threadlocker. Use a at tool as a lever to remove the connector plate. Position the connector plate with the connectors towards the right-hand (logo) side of the enclosure. 3 N.m Kara IIi owner's manual (EN) version 2.0...
  • Page 111 If no new screws are available, use blue threadlocker. Carefully disconnect the cables before removing the driver assembly. Use the positive (red) connector as a reference point to position the driver assembly. 5 N.m Kara IIi owner's manual (EN) version 2.0...
  • Page 112 Use the T20 Torx bit. 2. Remove the cover. 3. Carefully remove the diaphragm. 4. If there are shims on the dome, carefully remove them. Take note of how many and what kind of shims are present. Kara IIi owner's manual (EN) version 2.0...
  • Page 113 4. Position the cover and turn it to align it with the screw holes. Gradually tighten the screws following a star pattern. 5. Secure the cover using four S100082 screws. Use the 3 mm hex bit. Set the torque to 3 Nm. Kara IIi owner's manual (EN) version 2.0...

  • Page 114: Sb18 Iii

    SB18 IIi SB18 IIi exploded view In order to operate, follow the order outlined here. Each assembly refers to the corresponding Disassembly/Reassembly (D/R) procedure and the necessary repair kit. LF SPEAKER GRILL KR HPBC182 Kara IIi owner's manual (EN) version 2.0...
  • Page 115 KR 18" loudspeaker SB18(i) / SB18 IIi ×14 S221 M6×35 Torx Exploded view For safety reasons, always use the new screws and spare parts provided in the KR. If no new screws are available, use blue threadlocker. Kara IIi owner's manual (EN) version 2.0...
  • Page 116 KR 18" loudspeaker SB18(i) / SB18 IIi ×1 ×8 ×14 ×4 S100054 S221 100689 18" speaker - 8 ohms M6×30 hex M6×35 Torx 18" speaker gasket Prerequisite Grill removed. Grill (p.115). Disassembly Procedure 1. Remove the plate. Kara IIi owner's manual (EN) version 2.0...
  • Page 117 Corrective maintenance 2. Remove the speaker screws. 5 mm 3. Remove the speaker from the enclosure and disconnect the speaker cables. Kara IIi owner's manual (EN) version 2.0...
  • Page 118 Corrective maintenance 4. If the speaker gaskets are damaged, remove and replace them. Kara IIi owner's manual (EN) version 2.0...
  • Page 119 If no new screws are available, use blue threadlocker. Procedure 1. Connect the speaker cables and position the speaker in the enclosure. 2. Secure the speaker. Gradually tighten the screws following a star pattern. 5 N.m 5 mm Kara IIi owner's manual (EN) version 2.0...
  • Page 120 Corrective maintenance 3. Secure the plate. Gradually tighten the screws following a star pattern. Kara IIi owner's manual (EN) version 2.0...

  • Page 121: SpeciCations

    Pantone 426 C pure white RAL 9010 custom RAL code on special order IP55 Peak level measured at 1 m under free eld conditions using pink noise with crest factor 4 (preset specied in brackets). Kara IIi owner's manual (EN) version 2.0...
  • Page 122 Specications Kara IIi dimensions 701 mm / 27.6 in 252 mm / 9.9 in 409 mm / 16.1 in Kara IIi owner's manual (EN) version 2.0...
  • Page 123 Pantone 426 C pure white RAL 9010 custom RAL code on special order IP55 Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specied in brackets). Kara IIi owner's manual (EN) version 2.0...
  • Page 124 Specications SB18 IIi dimensions 701 mm / 27.6 in 701 mm / 27.6 in Kara IIi owner's manual (EN) version 2.0...
  • Page 125 Pantone 426 C pure white RAL 9010 custom RAL code on special order IP55 Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specied in brackets). Kara IIi owner's manual (EN) version 2.0...
  • Page 126 Specications KS21i dimensions 752 mm / 29.6 in 602 mm / 23.7 in Kara IIi owner's manual (EN) version 2.0...
  • Page 127 3D fabric Rigging components high grade steel Finish dark grey brown Pantone 426 C Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specied in brackets). Kara IIi owner's manual (EN) version 2.0...
  • Page 128 Specications KS28 dimensions 702 mm / 27.6 in 1340 mm / 52.8 in 1351 mm / 53.2 in Kara IIi owner's manual (EN) version 2.0...
  • Page 129 Finish dark grey brown Pantone 426 C Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specied in brackets). Kara IIi owner's manual (EN) version 2.0...
  • Page 130 Specications SB28 dimensions 700 mm / 27.6 in 1300 mm / 51.2 in Kara IIi owner's manual (EN) version 2.0...
  • Page 131 Specications KARAIIi-BUMP specications Description Flying frame for vertical deployment of Kara IIi and SB18 IIi 2 × Ø19 mm shackles WLL 3.25 t Weight (net) 21 kg / 46 lb Material high grade steel with anti-corrosion coating KARAIIi-BUMP dimensions 707 mm / 27.8 in...
  • Page 132 Specications KARAIIi-RIGBAR specications Description Rigging bar and pullback for Kara IIi and SB18 IIi 2 × Ø12 mm shackles WLL 1 t Weight (net) 4.8 kg / 11 lb Material high grade steel with anti-corrosion coating KARAIIi-RIGBAR dimensions 738 mm / 29 in 50 mm / 2 in 758 mm / 29.8 in...
  • Page 133 Specications KARAIIi-FIXBRACKET specications Description Fastening brackets for Kara IIi and SB18 IIi Weight (net) 0.5 kg / 1.1 lb Material high grade steel with anti-corrosion coating KARAIIi-FIXBRACKET dimensions 35 mm / 1.4 in 60 mm / 2.4 in Ø 6.9 mm / 0.27 in 6.9 mm / 0.27 in...
  • Page 134 Specications KARAIIi-TILTBRACKET specications Description Fastening brackets with angles for Kara IIi Weight (net) 0.6 kg / 1.3 lb Material high grade steel with anti-corrosion coating KARAIIi-TILTBRACKET dimensions 56 mm / 2.2 in 60 mm / 2.4 in 35 mm / 1.4 in 60 mm / 2.4 in...
  • Page 135 CLAMP250 dimensions 167 mm / 6.6 in 103 mm / 4.1 in KARAIIi-SCREEN specications Description Acoustically transparent front screen for Kara IIi Weight (net) 2.4 kg / 5.3 lb KARAIIi-SCREEN dimensions 714 mm / 28.1 in 97 mm / 3.8 in...
  • Page 136 Specications SB18IIi-SCREEN specications Description Acoustically transparent front screen for SB18 IIi Weight (net) 2.7 kg / 6 lb SB18IIi-SCREEN dimensions 714 mm / 28.1 in 97 mm / 3.8 in Kara IIi owner's manual (EN) version 2.0...

  • Page 137: Appendix A: Angle Settings With Karaiii-Tilt

    0°, -2.5°, -5°, -7.5°, 0° with reduced +2.5°, +5° -10°, -12.5°, -15° space between Linking points enclosures On SB18 IIi front rear A angle set On Kara IIi front rear B angle set Kara IIi owner's manual (EN) version 2.0...
  • Page 138 KARAIIi-TILT holes used in reversed position inter-element angle +5°, +7.5°, +10° +12.5°, +15°, +17.5°, Linking points +20°, +22.5°, +25° On SB18 IIi front A angle set rear On Kara IIi front B angle set or AB2 (+10°) rear Kara IIi owner's manual (EN) version 2.0...

  • Page 139: Appendix B: Recommendation For Speaker Cables

    8 Ω load 4 Ω load 2.7 Ω load Use the more detailed L-Acoustics calculation tool to evaluate cable length and gauge based on the type and number of enclosures connected. The calculation tool is available on our website: https://www.l-acoustics.com/en/installation/tools/...

  • Page 140: Appendix C: SpeciCations For Custom Rigging Systems

    4 x M6 inserts per side 4 x M6 inserts per side Kara IIi SB18 IIi Weight without rigging plates • Kara IIi: 21 kg / 46 lb • SB18 IIi: 48 kg / 106 lb Kara IIi owner's manual (EN) version 2.0...
  • Page 141 Adapt the length of the screws according to the thickness of the sheet. • Prevent bolts from loosening (threadlocker, spring washer...) Threaded inserts • Maximum loads: • Maximum tensile load: 1160 N • Maximum shear load: 4250 N • Recommended torque: 5 N.m. Kara IIi owner's manual (EN) version 2.0...
  • Page 142 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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