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KARA

i

_RM_EN_1-1

w w w . l - a c o u s t i c s . c o m

9

6

INSTALLATION

6.1

Flying a KARAi standalone array

6.1.1

Modeling and safety

Any loudspeaker system must be modeled before installation so as to ensure acoustical and mechanical conformity. This
can be done using L-ACOUSTICS

®

SOUNDVISION Software [3.4] which will assist the user to:



Determine the number of required KARAi enclosures.



Calculate the M-BUMPi site angle and the inter-enclosure angles.



Check the mechanical conformity of the system.

The M-BUMPi can fly an array of up to 12 KARAi enclosures along with all loudspeakers cables (refer to
the KARAi User manual [3.4]). However, this maximum number can decrease in line with the rigging
option [9.1.1] and the array curvature.

Always refer to the mechanical data and warning indications provided in SOUNDVISION software
(Mechanical Data section) to verify the mechanical conformity of the loudspeaker system before
installation.

6.1.2

Array assembling procedure

The following procedure describes how to assemble and fly a vertical KARAi array under an M-BUMPi.

All along the procedure:

Strictly follow the sequence of the successive steps.

Systematically verify that each bolt and screw is fully driven to the torque value given in this manual.
Systematically verify that the bolt is fully driven and locked by a safety pin on each shackle.

Use a strain relief to avoid mechanical stress at the connector locations due to cable weight.

For clarity purposes:
The loudspeaker cabling procedure will not be described.

The loudspeaker cables and the external rigging system will not be represented on the figures.

Required components and tools

M-BUMPi, electric screwdriver with torque selector (N.m or in.lb

f

), T30 Torx

®

bit, 5 mm hex bit, 6 mm hex bit, 10 mm

hex key, 13 mm hex key, KR LOCKBLUE (medium-strength thread-locker, optional, for pullback configuration).

CAUTION

WARNING

WARNING

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Summary of Contents for KARAi

Page 1: ...KARAi rigging manual EN ...

Page 2: ...ent reference KARAi_RM_EN_1 1 Distribution date March 2 2017 2017 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: ...igging techniques and safety recommendations outlined in this manual It is recommended to attend the training courses offered by L ACOUSTICS before proceeding with the installation of the system 6 Personnel health and safety During installation and set up personnel should wear protective headgear and footwear at all times Under no circumstances personnel should climb on the loudspeaker assembly 7 ...

Page 4: ...hen it is being raised As the assembly is being raised check each individual component to make sure that it is securely fastened to the component above Never leave the system unattended during the installation process As a general rule L ACOUSTICS recommends the use of safety slings at all times 13 Stacking a loudspeaker assembly Do not ground stack the system on unstable ground or platform If the...

Page 5: ...ions of Machinery Directive 2006 42 EC Applied rules and standards1 EN ISO 12100 1 2004 Mechanical Safety DIN 18800 Mechanical Structure BGV C1 Mechanical Standard applied in Germany Established at Marcoussis France September 29th 2010 Jacques Spillmann Head of Engineering Design dept 1 Maximum flown vertical array configurations General standard 12 KARAi or 4 SB18i 12 KARAi or 8 SB18i BGV standar...

Page 6: ...nd safety 16 6 2 2 Array assembling procedure 16 6 2 3 Array disassembling procedure 23 6 3 Stacking a KARAi standalone array 24 6 3 1 Modeling and safety 24 6 3 2 Array assembling procedure 24 6 3 3 Array disassembling procedure 29 6 4 Stacking a SB18i KARAi mixed array or a SB18i standalone array 30 6 4 1 Modeling and safety 30 6 4 2 Array assembling procedure 30 6 4 3 Array disassembling proced...

Page 7: ...arefully open the shipping carton and check the product for any noticeable damage Each L ACOUSTICS product is tested and inspected before leaving the factory and should arrive in perfect condition If found to be damaged notify the shipping company or the distributor immediately Only the consignee may initiate a claim with the carrier for damage incurred during shipping Be sure to save the carton a...

Page 8: ...ll range active 2 way modular WST enclosure M BUMPi Structure for flying KARAi and or SB18i or stacking KARAi KARAiSB18LINK Link components between SB18i and KARAi SB18i Compact high power subwoofer SB28 High power subwoofer LA8 Amplified controller LA NETWORK MANAGER Remote control software for amplified controllers SOUNDVISION Acoustical and mechanical modeling software Each system configuration...

Page 9: ...KARAi_RM_EN_1 1 w w w l a c o u s t i c s c o m 7 Figure 2 KARAi system components part 2 Two SB18i enclosures Six KARAi enclosures M BUMPi SB28 KARAiSB18LINK ...

Page 10: ...the bottom KARAi of a flown array and obtain a pullback configuration Note 1 In flown configuration the M BUMPi can be assembled according to eight rigging options 9 1 1 In particular rigging option 0 allows assembling two M BUMPi In addition a bar can be used for aesthetic purposes see the right box in Figure 3 Note 2 In stacked configuration the M BUMPi can be assembled according to two platform...

Page 11: ...ta section to verify the mechanical conformity of the loudspeaker system before installation 6 1 2 Array assembling procedure The following procedure describes how to assemble and fly a vertical KARAi array under an M BUMPi All along the procedure Strictly follow the sequence of the successive steps Systematically verify that each bolt and screw is fully driven to the torque value given in this ma...

Page 12: ...groups of four on each bar end as shown in both top boxes of Figure 5 6 mm hex bit 13 mm hex key b Fully drive all screws 5 N m 45 in lbf while ensuring that the frame shape remains square c Attach the shackles as shown in the bottom left box of Figure 5 and insert a safety pin in each one 9 3 Figure 5 Assembling M BUMPi for flying Driving bolts top view Driving bolts bottom view Attaching a shack...

Page 13: ...ding screws c Undo both rear 55 mm Torx screws T30 bit d Position the appropriate angle arm and slightly drive the top rear screw only The position of the arm depends on the angle intended to be set as shown in Figure 6 Note It is recommended to select the 10 angle on the KARAi intended to be fixed to the M BUMPi In that way the KARAi axis will be parallel to the M BUMPi Figure 6 Mounting four arm...

Page 14: ...ckage into the KARAi 1 top link holes and the M BUMPi link holes 5 mm hex bit 10 mm hex key 5 N m 45 in lbf On each angle arm select hole 10 KARAi 1 projection axis parallel to the M BUMPi The angles values corresponding to the different holes are detailed in Figure 6 Figure 7 Attaching KARAi 1 to M BUMPi IMPORTANT Full view Detailed view of the front left bolt Angle 10 Detailed view of the rear l...

Page 15: ...rew T30 bit b Rotate KARAi 2 so as to position its rear top link holes with both KARAi 1 rear bottom link holes and secure each pair by slightly driving a 55 mm Torx screw T30 bit On both angle arms select the holes corresponding to the angle intended to be set refer to Figure 6 Figure 8 shows the example of angle 0 KARAi 1 and KARAi 2 front faces parallel c Fully drive the ten Torx screws on KARA...

Page 16: ...d 7 Secure the fixation points on the bottom KARAi as follows repeat on both sides of the enclosure a Drive a 35 mm Torx screw into the front bottom hole T30 bit 5 N m 45 in lbf b Drive a 55 mm Torx screw into the rear bottom hole T30 bit 5 N m 45 in lbf c Fully drive the three remaining Torx screws T30 bit 5 N m 45 in lbf Figure 9 Example of KARAi standalone array b Bottom KARAi c c c a ...

Page 17: ...M BUMPi package thread locker T30 bit 7 N m 63 in lbf c Attach a shackle to the rear center point of the bar d Attach the hook or stinger of an additional motor to the shackle Refer to 9 1 3 for pullback setup safety limits Figure 10 Setting the array in pullback configuration 9 Adjust the height and the site angle of the array 9 1 2 10 Secure the M BUMPi to the main rigging structure using two sa...

Page 18: ...l Data section to verify the mechanical conformity of the loudspeaker system before installation 6 2 2 Array assembling procedure The following procedure describes how to assemble and fly a vertical SB18i KARAi or SB18i array under an M BUMPi Flying a SB18i KARAi mixed array also requires using the KARAiSB18LINK accessories All along the procedure Strictly follow the sequence of the successive ste...

Page 19: ...ar end as shown in both top boxes of Figure 11 6 mm hex bit 13 mm hex key b Fully drive all screws 5 N m 45 in lbf while ensuring that the frame is square c Attach the shackles as shown in the bottom left box of Figure 11 and insert a safety pin in each one 9 3 Figure 11 Assembling M BUMPi for flying Driving bolts top view Driving bolts bottom view Attaching a shackle Example of dual point rear ex...

Page 20: ...ch corner of the enclosure a Undo the five 35 mm Torx screws on a corner of SB18i 1 T30 bit b Position an arm as shown in Figure 12 and slightly drive the four top screws only Note The four arms are identical and can be identified by number 611 engraved on each one Orient the top part of each arm outwards Figure 12 Mounting four arms to a SB18i WARNING Top part oriented outwards b a b a b a b a a ...

Page 21: ...ng four self locking M6 hex bolts included in the M BUMPi package into the SB18i 1 top link holes and the M BUMPi link holes 5 mm hex bit 10 mm hex key 5 N m 45 in lbf Figure 13 Attaching SB18i 1 to the M BUMPi Full view Detailed view of the front left bolt Detailed view of the rear left bolt ...

Page 22: ...applying step 2 5 Attach SB18i 2 to SB18i 1 as follows a Position the four SB18i 2 top link holes face to the four SB18i 1 bottom link holes and secure each pair by driving a 35 mm Torx screw T30 bit 5 N m 45 in lbf b Fully drive the four remaining Torx screws on each SB18i 1 arm T30 bit 5 N m 45 in lbf Figure 14 Attaching SB18i 2 to SB18i 1 a SB18i 1 SB18i 2 b b b b a b b b b ...

Page 23: ...acoustic pattern refer to the SB18 User manual 3 4 As an example Figure 15 shows a cardioid array 7 If the array is intended to be a SB18i standalone array apply the following procedure a On the bottom SB18i drive a 35 mm Torx screws into each of the four bottom holes T30 bit 5 N m 45 in lbf b Raise the array to the chosen height c Secure the M BUMPi to the main rigging structure using two safety ...

Page 24: ...m Torx screws on a side of the KARAi T30 bit b Position the appropriate KARAiSB18LINK and slightly re drive three screws do not re drive the rear bottom one Figure 16 Mounting two KARAiSB18LINK to KARAi 1 8 Attach KARAi 1 to the bottom SB18i as follows a Position the four KARAiSB18LINK top link holes face to the four SB18i bottom link holes and secure each pair by driving a 35 mm Torx screw T30 bi...

Page 25: ...N_1 1 w w w l a c o u s t i c s c o m 23 9 Apply procedure 6 1 2 step 4 to 10 Figure 18 Examples of SB18i KARAi mixed arrays 6 2 3 Array disassembling procedure Apply the above procedure in the reversed sequence ...

Page 26: ...tion if the KARAi array is intended to have a null site angle refer to 9 2 1 The platform must be installed in front extension configuration if the KARAi array is intended to have a negative site angle refer to 9 2 1 and a flat shape all inter enclosure angles are close to 0 6 3 2 Array assembling procedure The following procedure describes how to assemble a vertical KARAi platform stacked array A...

Page 27: ...ht box of Figure 19 b If the bottom KARAi site angle is intended to be 0 see the left box of Figure 20 raise the platform to approximately 10 mm support material not included c In case of M BUMPi front extension configuration see the right box of Figure 20 drive four self locking M8 hex bolts to both platform front ends to keep it in horizontal position bolts included in the M BUMPi package 6 mm h...

Page 28: ...th front 55 mm Torx screws T30 bit b Position the appropriate front arm and slightly drive both preceding screws c Undo both rear 55 mm Torx screws T30 bit d Position the appropriate angle arm and slightly drive the top rear screw only The position of the arm depends on the angle intended to be set 9 2 2 as shown in Figure 21 Figure 21 Mounting four arms to a KARAi 0 2 4 7 5 10 1 3 5 Screw holes f...

Page 29: ...RAi 1 bottom link holes and the M BUMPi link holes 5 mm hex bit 10 mm hex key 5 N m 45 in lbf On each angle arm select the angle hole corresponding to the chosen site angle 9 2 2 The angles corresponding to the different holes are detailed in Figure 21 Figure 22 Attaching KARAi 1 to M BUMPi front extension configuration example IMPORTANT Full view Rear bolt detailed view Front bolt detailed view ...

Page 30: ...h pair by slightly driving a 35 mm Torx screw T30 bit b Rotate KARAi 2 so as to position its rear bottom link holes with both KARAi 1 rear top link holes and secure each pair by slightly driving a 55 mm Torx screws T30 bit On both angle arms select the holes corresponding to the angle intended to be set refer to Figure 21 Figure 23 shows the example of angle 0 KARAi 1 and KARAi 2 front faces paral...

Page 31: ...eat on both enclosure sides a Drive a 35 mm Torx screw into the front top hole T30 bit 5 N m 45 in lbf b Drive a 55 mm Torx screw into the rear top hole T30 bit 5 N m 45 in lbf c Fully drive the three remaining Torx screws T30 bit 5 N m 45 in lbf Figure 24 Example of KARAi standalone array 6 3 3 Array disassembling procedure Apply the above procedure in the reversed sequence b Top KARAi c c c a ...

Page 32: ... regarding the angle between the top SB18i and the bottom KARAi refer to 9 2 2 to obtain the array site angle corresponding to the chosen angle value Table 2 Ground stacked SB18i KARAi array safe configurations Number of SB18i Number of KARAi Bottom KARAi authorized angle range 1 1 2 From 10 to 0 3 9 From 5 to 0 2 1 8 From 10 to 0 9 From 7 5 to 0 3 4 1 9 From 10 to 0 6 4 2 Array assembling procedu...

Page 33: ... as shown in Figure 25 and slightly drive the five screws Note The four arms are identical and can be identified by number 611 engraved on each one Orient the top part of each arm outwards Figure 25 Mounting four arms to a first SB18i 2 Mount four arms to a second SB18i hereafter designated as SB18i 2 by applying step 1 without re driving the bottom screws Figure 26 Mounting four arms to a second ...

Page 34: ...ew T30 bit 5 N m 45 in lbf b Fully drive the five remaining Torx screws on each SB18i 1 arm T30 bit 5 N m 45 in lbf Turn the front grills of all SB18i composing the array towards the audience to obtain an omnidirectional acoustic pattern or turn one SB18i every four from front to rear to obtain a cardioid acoustic pattern refer to the SB18 User manual 3 4 As an example Figure 28 shows a cardioid a...

Page 35: ...is intended to be a SB18i standalone array apply the following procedure a Fully drive all Torx screws on the four arms of the top SB18i enclosure T30 bit 5 N m 45 in lbf b Secure the array to a fixed point by using a ratchet strap or any other equivalent material not included PROCEDURE END Figure 28 Example of SB18i standalone array Towards audience ...

Page 36: ...tion the M BUMPi bar face to two SB18i arms as shown in Figure 29 and secure it by driving two self locking M6 hex bolts included in the M BUMPi package 5 mm hex bit 10 mm hex key 5 N m 45 in lbf b Fully drive all Torx screws on the enclosure side T30 bit 5 N m 45 in lbf Figure 29 Attaching two M BUMPi bars to the top SB18i For clarity purposes the procedure is continued with an array composed of ...

Page 37: ...30 bit b Position the appropriate front arm and slightly drive both preceding screws c Undo both rear 55 mm Torx screws T30 bit d Position the appropriate angle arm and slightly drive the top rear screw only The position of the arm depends on the angle intended to be set 9 2 2 as shown in Figure 30 Figure 30 Mounting four arms to a KARAi 0 2 4 7 5 10 1 3 5 Screw holes for angles 0 2 4 7 5 10 Screw...

Page 38: ...h front link hole pair as shown in the bottom left box of Figure 31 5 mm hex bit 10 mm hex key 5 N m 45 in lbf b Drive a self locking M6 hex bolt into each rear link hole pair as shown in the bottom right box of Figure 31 On each angle arm select the angle hole corresponding to the chosen site angle 9 2 2 The angle values corresponding to the different holes are detailed in Figure 30 Figure 31 Att...

Page 39: ...mm Torx screw T30 bit b Rotate KARAi 2 so as to position its rear bottom link holes with both KARAi 1 rear top link holes and secure each pair by slightly driving a 55 mm Torx screw T30 bit On both angle arms select the holes corresponding to the angle intended to be set refer to Figure 30 Figure 32 shows the example of angle 0 KARAi 1 and KARAi 2 front faces parallel c Fully drive the ten Torx sc...

Page 40: ...osure a Drive a 35 mm Torx screw into the front top hole T30 bit 5 N m 45 in lbf b Drive a 55 mm Torx screw into the rear top hole T30 bit 5 N m 45 in lbf c Fully drive the three remaining Torx screws T30 bit 5 N m 45 in lbf Figure 33 Example of SB18i KARAi mixed array 12 Secure the array to a fixed point by using a ratchet strap or any other equivalent material not included 6 4 3 Array disassembl...

Page 41: ...ediately be replaced The metal components of the KARAi and SB18i enclosures should not show any signs of deformation fissure or oxidation They must be securely fixed to the enclosure Any enclosure incorporating a part showing signs of defect must immediately be marked and withdrawn from use to be inspected by qualified service personnel Verify the bolt drive mechanism on each shackle Verify that t...

Page 42: ...3 lbs Setup safety limits Maximum 12 KARAi or 4 SB18i 12 KARAi or 8 SB18i in flown configuration Maximum 9 KARAi in stacked configuration Material High grade steel coated with polyester powder Included accessories 10 bars 2 shackles M6 and M8 bolts screws Reference KARAiSB18LINK Dimensions L x H x D 6 x 312 1 x 660 mm 0 2 x 12 3 x 26 inch Weight 3 2 kg 7 lbs set of two pieces Material Steel coated...

Page 43: ...gurations are reversible to obtain a front or rear overhang corresponding to a positive or negative site angle respectively Always refer to the mechanical data and warning indications provided in SOUNDVISION software Mechanical Data section to verify the mechanical conformity of the system before installation Table 4 M BUMPi rigging options for flown array Option 0 SB18i only 1 rigging point 1 pos...

Page 44: ...ch Option 4 KARAi or SB18i KARAi 1 rigging point 3 positions or 2 rigging points spacing 637 mm 25 inch Option 5 KARAi or SB18i KARAi 1 rigging point 3 positions or 2 rigging points spacing 637 mm 25 inch Option 6 KARAi or SB18i KARAi 1 rigging point 3 positions or 2 rigging points spacing 637 mm 25 inch Option 7 KARAi or SB18i KARAi 1 rigging point 3 positions or 2 rigging points spacing 637 mm 2...

Page 45: ... be composed of the same number of enclosures the same inter enclosure angles and the same single rigging point configuration according to the following table Table 5 M BUMPi and M BUMP single rigging point equivalent options M BUMPi option with single rear shackle M BUMP M BAR option and single shackle position refer to the KARA Rigging procedures 3 4 2 A 12 3 A 13 4 A 14 5 A 15 6 A 16 7 B 16 Rig...

Page 46: ...guration array site angle settable down to 90 within the mechanical safety limits given in Table 6 Always refer to Table 6 before setting an array in pullback configuration Table 6 Mechanical safety limits in pullback configuration Number of KARAi enclosures in the array 12 12 9 6 3 Number of SB18i enclosures in the array 0 4 3 2 1 Maximum array negative site angle 90 10 60 90 90 Figure 35 Pullbac...

Page 47: ...ain the array site angle corresponding to the chosen angle value The configurations shown in Figure 36 and Figure 37 are purely indicative Refer to 6 3 1 for setup safety limits Figure 36 Rear extension configuration Figure 37 Front extension configuration Side view Full view KARAi rigging holes M BUMPi structure Bar under KARAi for acoustic purposes Negative site angle Horizontal line Front exten...

Page 48: ...gs Table 7 Possible site angles for a KARAi stacked array KARAi angle arm hole Resulting site angle Figure 38 0 10 1 9 2 8 3 7 4 6 5 5 7 5 2 5 10 0 Figure 38 Bottom KARAi angle setting 9 3 Safety pin removal and insertion The safety pins provided with the shackles have an integrated locking system Figure 39 presents the removal and insertion procedures Always put the safety pin in locked position ...

Page 49: ...fo l acoustics com www l acoustics com L Acoustics GmbH Steiermärker 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 11 234 L Acoustics Inc 2645 Townsgate Road Suite 600 Westlake Village CA 91361 USA 1 805 604 0577 ...

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