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Inspection and preventive maintenance

Disassemble the two enclosures.

Risk of trapping ngers

When disassembling the enclosures, hold the top one by the handles.

Repeat the procedure with the other enclosures.

K3 owner's manual (EN) version 1.0

Содержание K Series

Страница 1: ...K3 owner s manual EN ...

Страница 2: ...anual EN version 1 0 Distribution date October 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 ...

Страница 3: ...Adjustable ns 14 Directivity 17 Preset description 18 Connectors 19 Rigging system description 21 K3 21 KS28 22 Rigging elements for own arrays 23 K3 BUMP 23 K3 BAR 24 K3 RIGBAR 25 KARADOWNK3 26 DELTA 1 5T 27 LA RAKMOUNT 28 Rigging elements for stacked arrays 29 K2 JACK 29 K3 TILT 30 KS28 OUTRIG 30 Storage and handling elements 31 K3 CHARIOT 31 K3 CHARIOTCOV 32 K3 CHARIOTLID 33 K3 BUMPFLIGHT 34 3 ...

Страница 4: ...cked on K3 TILT and KS28 with KS28 OUTRIG 48 K3 stacked on K3 CHARIOT with K3 CHARIOTCOV and K3 CHARIOTLID 49 Inspection references 50 Rigging check 53 Acoustical check 57 Rigging procedures 61 Preparing a block of four K3 61 Pre setting the inter enclosure angles 65 Flying 67 Flying an array with K3 BUMP and K3 BAR 67 Adding a pullback with K3 RIGBAR 73 Rigging a Kara II down ll array under a K3 ...

Страница 5: ...Connection to LA ampli ed controllers 99 Speci cations 101 APPENDIX Recommendation for speaker cables 119 5 ...

Страница 6: ... 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 a...

Страница 7: ...structions 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 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 ...

Страница 8: ...z 20 kHz K3 system can be used as a stand alone line source boasting strong output and innate reinforced LF contour K3 can be supplemented by the KS28 subwoofer for infra reinforcement K3 features Pan exTM to offer four horizontal directivity patterns 70 or 110 symmetrical or 90 asymmetrical on either side With Pan ex and inter element angles ranging from 0 to 10 a K3 line source coverage can be p...

Страница 9: ...f 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 Ac...

Страница 10: ...eakON DO 8 point PA COM loudspeaker cables 4 mm gauge DO cables come in three sizes DO 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 DOFILL LA8 breakout cable for two 2 way active enclosures 4 mm gauge 8 point PA COM to 2 x 4 point speakON DO3WFILL breakout cable for one 2 way active enclosur...

Страница 11: ... K3 CHARIOT K3 CHARIOTLID Protective lid for K3 CHARIOT K3 BUMPFLIGHT Modular ightcase for 1 K3 BUMP and rigging elements 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 0 7 m 5 m 10 m 25 m CH 1 ...

Страница 12: ...System components 2W CH A 2W CH B 3 5 m 2WAY SUB1 SUB2 3 5 m DOFILL LA8 DO3WFILL 12 K3 owner s manual EN version 1 0 ...

Страница 13: ...s Rigging elements K3 BUMP K3 BAR K3 RIGBAR DELTA 1 5T KARADOWNK3 BPCHAIN 1 5T LA RAKMOUNT K3 TILT KS28 OUTRIG K2 JACK LA SLING2T K3 CHARIOT K3 CHARIOTCOV K3 CHARIOTLID K3 BUMPFLIGHT K3 owner s manual EN version 1 0 13 ...

Страница 14: ... Using the adjustable ns horizontal directivity can be adjusted with four different settings 70 110 symmetric or 90 asymmetric A speci c K3 preset must be used for each directivity setting Within a line source different directivity settings can be combined to improve the coverage of the audience geometry 70 setting 35 3 5 14 K3 owner s manual EN version 1 0 ...

Страница 15: ...Electro acoustical description 90 settings 55 3 5 35 5 5 K3 owner s manual EN version 1 0 15 ...

Страница 16: ...Electro acoustical description 110 setting 55 5 5 Mixed settings 55 55 35 35 16 K3 owner s manual EN version 1 0 ...

Страница 17: ...B 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 a K3 array with 90 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 Dispersion angle diagram of a K3 array with 110 ns setting using lines of equal s...

Страница 18: ...8_60 KS28_100 KS21_60 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 KS28_60_C KS28_100_C KS28_60_Cx KS28_100_Cx KS21_60_C KS21_100_C KS21_60_Cx KS21_100_Cx loudspeaker elements outputs channels routing gain delay polarity mute SR OUT 1 SR ON SB OUT 2 SB ON SB OUT 3 SB ON SB OUT ...

Страница 19: ...eakON points 1 1 2 2 Transducer connectors LF LF HF HF 1k IN k 1 IN Znom 4 Ω Read manual and safety instructions before use Made in France European Community SAFE USE 16 KS28 FOROTHERCONFIGURATIONS CHECKMECHANICAL SAFETYWITHSOUNDVISIONSOFTWARE USEONLYWITHL ACOUSTICSAMPLIFIEDCONTROLLERS KS28 Weight 79 kg 174 lb KS28 1 4 point speakON KS21 2 4 point speakON K3 owner s manual EN version 1 0 19 ...

Страница 20: ...Electro acoustical description Internal pinout for L Acoustics subwoofers speakON points 1 1 2 2 Transducer connectors LF LF Not linked Not linked 20 K3 owner s manual EN version 1 0 ...

Страница 21: ...til its connection at the rear At the rear a sliding arm enables the inter element angle setting and the inter element rear connection The angles between adjacent enclosures are secured by an automatic system that is activated in advance and locks itself during the stacking and lifting procedures Eight angle positions are available 0 25 1 2 3 4 5 7 5 10 Two ergonomic handles on both sides of the e...

Страница 22: ...on each side KS28 features two ground runners for enclosure protection Two tracks on the top of the enclosure t the ground runners in stacking deployment KS28 features eight L shaped side runners for side protection and upright stacking 22 K3 owner s manual EN version 1 0 ...

Страница 23: ...ntral bar of K3 BUMP for site angle adjustments Four additional holes are available to add K3 BAR to K3 BUMP as an extension to increase the site angle 1 2 3 4 Position A Position B Front extension Rear extension 1 1 17 17 Front Front K3 BUMP is equipped with ball locking pins to match the enclosure rigging system K3 owner s manual EN version 1 0 23 ...

Страница 24: ... be increased Seventeen holes are available on the K3 BAR which can be attached to the K3 BUMP as a rear or a front extension and in position A or B thus offering a total of 68 discrete positions for pick up points The rear extension is suited to downwards site angles The front extension is suited to upwards site angles 24 K3 owner s manual EN version 1 0 ...

Страница 25: ...the main lifting accessory additional safety K3 RIGBAR is equipped with two shackles to secure LA SLING2T The external holes are dedicated to implement an additional safety K3 RIGBAR can be used as the main lifting accessory to provide a lightweight solution for ying up to 16 K3 K3 RIGBAR must be used with LA SLING2T K3 owner s manual EN version 1 0 25 ...

Страница 26: ...s a rigging interface for a Kara Kara II array under a K3 array The four tabs on the top are compatible with the K3 rigging system The four slits tted with ball locking pins accommodate the Kara Kara II rigging arms 26 K3 owner s manual EN version 1 0 ...

Страница 27: ...cription DELTA 1 5T DELTA 1 5T is designed for azimuth setting Combined with K3 BUMP and K3 BAR DELTA 1 5T can be used to control the azimuth angle while K3 BAR controls the site angle K3 owner s manual EN version 1 0 27 ...

Страница 28: ...MOUNT is designed to stack one LA RAK II AVB on top of a own array LA RAKMOUNT is composed of two mounting cradles with rails The two cradles are screwed on K3 BUMP LA RAKMOUNT must be used along with two K3 BAR 28 K3 owner s manual EN version 1 0 ...

Страница 29: ... onto K3 CHARIOT to improve stability or correct oor discrepancies During transportation make sure the bolts are tightened K2 JACK cannot be stored on K3 CHARIOT bolts x4 feet with screw jacks locking handles hand wheels storage position position in use With K2 JACK the site angle of the K3 array can be adjusted between 23 and 13 K3 owner s manual EN version 1 0 29 ...

Страница 30: ...ination with two KS28 OUTRIG to ensure stability Do not use K3 TILT in a own array The opening angle of K3 TILT can be adjusted between 0 and 20 K3 TILT features two shackles to implement an additional safety KS28 OUTRIG KS28 OUTRIG is a set of two stability bars for KS28 KS28 OUTRIG matches the rigging system of KS28 30 K3 owner s manual EN version 1 0 ...

Страница 31: ...o rear rigging arms to secure the lower K3 During transportation the blocks must have an inter enclosure angle of 10 to avoid any separation of the enclosures This angle must be set using the enclosure rear rigging arm pin The automatic locking system must remain unloaded The K3 CHARIOT rear rigging arm must be at its 15 site angle position K3 owner s manual EN version 1 0 31 ...

Страница 32: ...3 CHARIOTCOV is a protective cover for four K3 on K3 CHARIOT K3 CHARIOTCOV features four aps with velcro fasteners at the top to pull out the rigging arms of the top enclosure in order to mount K3 CHARIOTLID 32 K3 owner s manual EN version 1 0 ...

Страница 33: ...ed to store equipment on top of K3 during transportation Its load capacity is up to 400 kg 881 8 lb Multiple K3 CHARIOTLID can be stacked for storage Refer to Stacking multiple K3 CHARIOTLID on K3 CHARIOT p 94 for more information K3 owner s manual EN version 1 0 33 ...

Страница 34: ...3 BUMPFLIGHT is a ightcase for transporting the accessories of the K3 system The ightcase contains 1 K3 BUMP 1 K3 BAR 1 KARADOWNK3 1 K3 RIGBAR 1 K3 TILT 1 KS28 OUTRIG 1 DELTA 1 5T 1 LA SLING2T 1 BPCHAIN 1 5T 34 K3 owner s manual EN version 1 0 ...

Страница 35: ... EC Machinery Directive when the other deployment parameters provide the best mechanical conditions For mixed arrays refer to your Soundvision model K3 con guration rigging accessory safe limit maximum limit K3 BUMP 16 24 K3 BUMP K3 BAR 16 24 own K3 BUMP 2 K3 BAR 2 LA SLING2T LA RAKMOUNT 18 K3 1 LA RAK II AVB 24 own and pullback K3 RIGBAR 16 16 K3 Kara II con guration rigging accessory safe limit ...

Страница 36: ...ure number and location of ying points site angle This cannot 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 a...

Страница 37: ...n adjustable horizontal directivity The K3 70 K3 90 and K3 110 presets allow for a reference frequency response in long throw applications Each preset is dedicated to a horizontal directivity setting K3 is driven by the LA4X LA8 LA12X ampli ed controllers Enclosure K3 Preset K3 70 K3 90 K3 110 Frequency range 10 dB 42 Hz 20 kHz K3 owner s manual EN version 1 0 37 ...

Страница 38: ...0 5 to 1 m 1 6 to 3 2 ft Enclosure K3 KS28 or KS21 Preset K3 70 K3 90 K3 110 xxxx_60 Frequency range 10 dB 25 Hz 20 kHz 29 Hz 20 kHz Grouping subwoofers Place the subwoofer enclosures side by side If not possible the maximum distance between two adjacent acoustic centers must be 2 8 m or 1 7 m if the upper frequency limit of the subwoofer system is at 60 Hz or 100 Hz respectively Use xxxx_xx_C or ...

Страница 39: ...3 KS28 presets pre alignment delay values and polarity settings K3 KS28_60 K3 0 5 ms KS28 0 ms K3 KS28_60_C K3 6 ms KS28 0 ms K3 KS28_60_Cx K3 4 ms KS28 0 ms K3 KS21 presets pre alignment delay values and polarity settings K3 KS21_60 K3 0 ms KS21 0 ms K3 KS21_60_C K3 5 5 ms KS21 0 ms K3 KS21_60_Cx K3 5 ms KS21 0 ms K3 owner s manual EN version 1 0 39 ...

Страница 40: ...II The Kara Kara II enclosures are driven by the LA4X LA8 LA12X ampli ed controllers Enclosure K3 Kara II or Kara Preset K3 70 K3 90 K3 110 KARAIIDOWNK3 KARADOWNK3 Frequency range 10 dB 42 Hz 20 kHz Do not add any delay between the K3 and Kara Kara II elements of a mixed line source Using the Kara Kara II system Refer to the Kara II owner s manual for the operating modes of Kara Kara II as a main ...

Страница 41: ... Rigging and hardware Perform the Rigging part inspection p 42 on each rigging part Use the Mechanical system overview p 42 to identify critical parts of the system and apply the speci c checks described in the Inspection references p 50 Do the Rigging check p 53 If any parts are damaged contact your L Acoustics representative for further instructions Acoustics Perform the Enclosure check p 57 Per...

Страница 42: ...w is available add blue threadlocker before reusing the screw Do not apply more than the indicated torque 4 Check the geometry of the part to identify critical deformations Place the rigging part on a at surface or hold a level against it 5 Check the moving parts Make sure that the mechanism engages correctly What to do next If a problem is detected perform the authorized maintenance operations or...

Страница 43: ...with K3 BUMP and K3 BAR Refer to Rigging part inspection p 42 Ball locking pins p 50 Shackles p 52 Ball locking pins p 50 Rigging check p 53 Ball locking pins p 50 the screw of the grill locking system is present K3 owner s manual EN version 1 0 43 ...

Страница 44: ...ADOWNK3 Refer to Rigging part inspection p 42 Shackles p 52 Ball locking pins p 50 Rigging check p 53 Ball locking pins p 50 the screw of the grill locking system is present Ball locking pins p 50 Refer to the Kara II owner s manual 44 K3 owner s manual EN version 1 0 ...

Страница 45: ...e K3 array with K3 RIGBAR as pullback Shackles p 52 Ball locking pins p 50 Rigging check p 53 Ball locking pins p 50 the screw of the grill locking system is present Ball locking pins p 50 Shackles p 52 K3 owner s manual EN version 1 0 45 ...

Страница 46: ...pection references p 50 Shackles p 52 Ball locking pins p 50 screws are tightened Refer to the LA RAK II AVB owner s manual Ball locking pins p 50 Ball locking pins p 50 Rigging check p 53 Ball locking pins p 50 the screw of the grill locking system is present 46 K3 owner s manual EN version 1 0 ...

Страница 47: ...locking system is present Ball locking pins p 50 Rigging check p 53 rear rigging arms rotate correctly the locking handles can be tightened and loosened by hand turn the hand wheels the central part is raised clockwise or lowered counter clockwise check the integrity of the quarter turn locking system K3 owner s manual EN version 1 0 47 ...

Страница 48: ...g pins p 50 Rigging check p 53 the screw of the grill locking system is present Shackles p 52 Ball locking pins p 50 the rear rigging arms can move freely the rigging system is not damaged the rigging arms can rotate freely Runners and corner stops p 52 tabs are not bent Runners and corner stops p 52 48 K3 owner s manual EN version 1 0 ...

Страница 49: ...ce K3 stacked on K3 CHARIOT with K3 CHARIOTCOV and K3 CHARIOTLID Refer to Rigging part inspection p 42 Ball locking pins p 50 Rigging check p 53 cover is not damaged rear rigging arms rotate correctly K3 owner s manual EN version 1 0 49 ...

Страница 50: ...Inspection and preventive maintenance Inspection references Ball locking pins Reference pictures tether K3 BUMP tether K3 BAR tether K3 tether K3 50 K3 owner s manual EN version 1 0 ...

Страница 51: ... 3 Insert the pin in each storage and rigging hole Pull and rotate the pin The pin must remain inside the hole If the pin is inserted in two plates the ball must pass through both plates and lock the pin in place If the check fails immediately withdraw the product from use and contact L Acoustics Related tasks Rigging part inspection p 42 K3 owner s manual EN version 1 0 51 ...

Страница 52: ...Related tasks Rigging part inspection p 42 Runners and corner stops Runners are not worn out Screws are tightened Reference pictures KS28 ground runner and corner stops KS28 corner stop KS28 OUTRIG runner Contact your L Acoustics representative for repair instructions Related tasks Rigging part inspection p 42 52 K3 owner s manual EN version 1 0 ...

Страница 53: ... 1 Position one K3 on top of another one 2 Secure the front rigging arms at the LINK holes The front rigging arms can be deployed with some resistance and rotate correctly The ball type plunger protrudes out the rigging system K3 owner s manual EN version 1 0 53 ...

Страница 54: ...aintenance 3 Secure the rear rigging arms at the LINK holes The rear rigging arms can be deployed with some resistance and slide correctly The ball type plunger protrudes out the rigging system 54 K3 owner s manual EN version 1 0 ...

Страница 55: ...ate the automatic locking system The latch slightly retracts when the button is pushed yellow label visible 6 Hold and lift the array to lock the inter enclosure angles The two enclosures remain attached The automatic locking system button locks and the latches engage no yellow label visible SHLAK K3 owner s manual EN version 1 0 55 ...

Страница 56: ...tive maintenance 7 Disassemble the two enclosures Risk of trapping ngers When disassembling the enclosures hold the top one by the handles 8 Repeat the procedure with the other enclosures 56 K3 owner s manual EN version 1 0 ...

Страница 57: ...s Do not connect enclosures in parallel Ampli ed controllers LA4X must run at least rmware version 1 1 0 LA4X load sensors must be calibrated Refer to the Load Sensor Calibration Tool technical bulletin for more information LA4X must warm up for at least 10 minutes after power up Do not power off reboot or switch to standby mode to avoid resetting the countdown Load a preset corresponding to the c...

Страница 58: ...ites are met in particular that the loaded preset corresponds to the connected speaker s family b inspect the cables and connections c go to step 8 p 58 8 Under NC NOK and UNDEF results press and hold the corresponding OUT key The ampli ed controller displays the tested frequencies information on the measured impedance OPEN for open circuit found in NC results SHORT for short circuit found in NOK ...

Страница 59: ...peaker produces distorted buzzing rubbing clicking muf ed or weak sound Possible causes The screws are not tightened with the appropriate torque There is an air leak in the gasket There is dust on the cone The cone is damaged The surround is torn or delaminated The voice coil or the spider is damaged Procedure 1 Perform the speaker disassembly procedure 2 Visually inspect the cables and the connec...

Страница 60: ... used for reassembly are too loose The diaphragm is damaged Procedure 1 Perform the diaphragm disassembly procedure 2 Visually inspect the diaphragm and the voice coil If any damage is visible replace the diaphragm 3 Clean the air gap thoroughly Use double face adhesive tape to remove any particles 4 Perform the diaphragm reassembly procedure Apply the recommended torque 5 Repeat the listening tes...

Страница 61: ...ur K3 Type of deployment stacked array Rigging accessory K3 CHARIOT Min number of operators 2 Procedure 1 Prepare K3 CHARIOT Fully rotate the rear rigging arms of K3 CHARIOT to attach a rst K3 2 Position a rst K3 on K3 CHARIOT K3 owner s manual EN version 1 0 61 ...

Страница 62: ...cure the enclosure at the front using the LINK hole 4 Lift the rear of the enclosure and rotate the dolly rear rigging arm in its upward position 5 Secure the enclosure using the LINK hole 62 K3 owner s manual EN version 1 0 ...

Страница 63: ...nother K3 on the rst one Keep holding the enclosure with the handles until the front rigging arm is secured 7 While holding the handle rotate the front rigging arm and secure it with both LINK pins K3 owner s manual EN version 1 0 63 ...

Страница 64: ...with both pins in the LINK and 10 holes 9 Make sure the automatic locking system button is unloaded If the button has been pressed pull to disengage the latch 10 Repeat steps 6 p 63 to 9 p 64 until the block of four is complete 64 K3 owner s manual EN version 1 0 ...

Страница 65: ...ting the inter enclosure angles Procedure 1 On both sides remove the pin from its current angle hole 2 Position the pin at the chosen angle hole and slide the rigging arm until the pin goes in K3 owner s manual EN version 1 0 65 ...

Страница 66: ...Rigging procedures 3 Press the lock button to lock the inter enclosure angle 66 K3 owner s manual EN version 1 0 ...

Страница 67: ...enclosure angles Preset the inter enclosure angles before performing this procedure Refer to Pre setting the inter enclosure angles p 65 Procedure 1 Prepare a block of K3 enclosures Refer to Preparing a block of four K3 p 61 2 Connect K3 BAR to K3 BUMP a Remove the pins from K3 BAR and position K3 BAR on K3 BUMP Refer to Soundvision to identify the extension and position of the bar K3 owner s manu...

Страница 68: ...Rigging procedures b Secure K3 BAR to K3 BUMP with the pins c Lift K3 BUMP using the motor 68 K3 owner s manual EN version 1 0 ...

Страница 69: ... facilitate the connection between the enclosures and the rigging frame 4 Secure K3 BUMP on top of the array a Attach the front rigging arm on both sides Rotate the arm and secure it with the K3 BUMP pin K3 owner s manual EN version 1 0 69 ...

Страница 70: ...tion with the K3 pin If the pin resists move the frame back and forth c Lower the rear of the K3 BUMP d Attach the rear rigging arm to the frame e Slide the arm to its 5 position f Preset the angle at 5 with the enclosure pin 70 K3 owner s manual EN version 1 0 ...

Страница 71: ...Rigging procedures g Secure the arm with the K3 BUMP pin 5 Raise the array to lock the inter enclosure angles SHLAK SHLAK SHLAK SHLAK K3 owner s manual EN version 1 0 71 ...

Страница 72: ...edures 6 Remove the chariot from the array a Hold the chariot with one hand Remove the back pin on both sides b Hold the chariot with one hand Remove the front pin on both sides 72 K3 owner s manual EN version 1 0 ...

Страница 73: ...nally secure another K3 RIGBAR on the top enclosure to replace K3 BUMP as the main lifting accessory 1 Prepare an array of K3 Refer to Flying an array with K3 BUMP and K3 BAR p 67 2 Raise the array 3 Secure the LA SLING2T to the second motor hook Make sure the chains are not twisted 4 Attach K3 RIGBAR to the sling using the two 3 25 t WLL shackles Use the interior holes of the bar The external hol...

Страница 74: ...l safety must either be A two leg bridle sling with a pickup point higher than the LA SLING2T Two safety slings 5 Attach the K3 RIGBAR to the bottom enclosure Do not use the rear rigging middle hole 74 K3 owner s manual EN version 1 0 ...

Страница 75: ...ear rigging hole 6 Adjust the height of the pickup point Do not raise the rear pick up point above the front pick up point The chains must be as vertical as possible Under K3 RIGBAR Under K3 BAR K3 owner s manual EN version 1 0 75 ...

Страница 76: ...r to the Kara II owner s manual for more details The following procedure also applies for Kara Prerequisite Prepare and raise a K3 array Refer to Flying an array with K3 BUMP and K3 BAR p 67 Prepare an array of three Kara II with 0 inter enclosure angles Position the Kara II array under the K3 array Make sure the latches on the bottom K3 are in storage position Procedure 1 Take out the four riggin...

Страница 77: ...nd select the same inter element angle from 0 to 10 2 Secure a KARADOWNK3 on top of the Kara II array Position the higher ledge at the rear Secure the Kara II rigging arms inside the slits with the ball locking pins x4 K3 owner s manual EN version 1 0 77 ...

Страница 78: ... II enclosures 5 Connect KARADOWNK3 to the bottom of the K3 array a Risk of crushing injury Keep ngers away from the contact area between the ledge and the cabinet Risk of cable damage Disconnect any cable from the K3 bottom connector Rotate the top Kara II upwards and secure the rear KARADOWNK3 tabs to the K3 rigging 78 K3 owner s manual EN version 1 0 ...

Страница 79: ...tly lower the K3 array if necessary c Reconnect the top Kara II at the rear to the assembly 6 Raise the array Do not implement a pullback on a K3 array with a Kara II down ll 7 Set the inter enclosure angles Refer to the Kara II owner s manual K3 owner s manual EN version 1 0 79 ...

Страница 80: ...II AVB Additional accessories electric screwdriver with torque selector Min number of operators 2 Procedure 1 Position and secure the two rails on the K3 BUMP Use the electric screwdriver Set the torque to 5 N m Before securing the side rails make sure the frame pins are on the outside T30 5 N m The following procedure is also applicable for previous LA RAK products 80 K3 owner s manual EN version...

Страница 81: ...g procedures 2 Install two K3 BAR on both sides of the K3 BUMP 3 Remove the LA RAK II AVB coupling bars Turn the bars to release the spring loaded safety and slide them out K3 owner s manual EN version 1 0 81 ...

Страница 82: ... RAK II AVB rails give a quarter turn and slide the bar until the safety locks into place Coupling bars Always insert the coupling bars so that the round metallic safety is pointed upward depending on the tilt angle from the back for a negative angle rear extension from the front for a positive angle front extension 82 K3 owner s manual EN version 1 0 ...

Страница 83: ...ng accessory K3 TILT KS28 OUTRIG Min number of operators 2 Stacking KS28 Refer to KS28 documentation for more information Procedure 1 Secure KS28 OUTRIG under KS28 Risk of crushing injury Keep ngers away from the contact area between the ledge and the cabinet SHLAK K3 owner s manual EN version 1 0 83 ...

Страница 84: ...Rigging procedures 2 Optionally secure an additional KS28 on top Connect each enclosure on both sides before adding the new one SHLAK 84 K3 owner s manual EN version 1 0 ...

Страница 85: ...Rigging procedures 3 Place the K3 TILT on top of KS28 4 Secure the K3 TILT to KS28 K3 owner s manual EN version 1 0 85 ...

Страница 86: ...Rigging procedures 5 Place one K3 on KS28 Align the enclosure to the arms of K3 TILT 86 K3 owner s manual EN version 1 0 ...

Страница 87: ...of the enclosure Connect the K3 ball locking pin to the front arms of K3 TILT b Secure the rear arms of K3 TILT to the bottom rear of the enclosure Connect the K3 ball locking pin to the rear sliding arms of K3 TILT c Set the site angle with the rear arms of K3 TILT K3 owner s manual EN version 1 0 87 ...

Страница 88: ...angle and secure the sliding arm with the ball locking pin Multiple angles are available 20 12 5 17 5 15 7 5 10 0 2 5 5 Number of stacked K3 on KS28 Refer to Soundvision for the maximum number of enclosures 7 Add another K3 to the rst one Refer to Preparing a block of four K3 p 61 88 K3 owner s manual EN version 1 0 ...

Страница 89: ...nt stacked array Rigging accessory K2 JACK K3 CHARIOT Min number of operators 2 Procedure 1 Attach the K2 JACK to the K3 CHARIOT a Insert the K2 JACK studs through the K3 CHARIOT b Raise and turn the K2 JACK handles to secure the locking system K3 owner s manual EN version 1 0 89 ...

Страница 90: ...ACK stabilizers Rotate the threaded rod counter clockwise so the central part of the stabilizer is closest to the base 3 Attach the stabilizers to the bar Insert the feet in the guides at both ends of the bar Pivot the feet so they come in contact with the bar Lock the feet in position by giving a quarter turn to the locking system 90 K3 owner s manual EN version 1 0 ...

Страница 91: ...Rigging procedures 4 Rotate the feet clockwise to raise the K3 CHARIOT off the ground Stop raising the stack as soon as the wheels get off the ground K3 owner s manual EN version 1 0 91 ...

Страница 92: ...CHARIOT Min number of operators 2 Procedure 1 Verify the wheels are as close as possible to the ground without touching it 2 Loosen one stabilizer bolt and tighten the other one depending of the target site angle Tighten the bolt by hand only Negative site angle Positive site angle 92 K3 owner s manual EN version 1 0 ...

Страница 93: ... the back of the stack Do not adjust both the front and back of the stack With the front screw jacks for a positive site angle With the back screw jacks for a negative site angle 4 Tighten the front or back bolts depending on the site angle Tighten the bolt by hand only K3 owner s manual EN version 1 0 93 ...

Страница 94: ...r rigging arms of K3 CHARIOT are on storage position Procedure 1 Position one K3 CHARIOTLID on K3 CHARIOT The longer side must be on the rear rigging arms of K3 CHARIOT 2 Secure K3 CHARIOTLID to the front rigging arms of K3 CHARIOT using the locking pin 3 Position another K3 CHARIOTLID reverted on the rst one The longer side must be on the front side of K3 CHARIOT 94 K3 owner s manual EN version 1...

Страница 95: ... procedures Storing multiple K3 CHARIOTLID on K3 CHARIOT Alternate the position of each K3 CHARIOTLID 4 Repeat steps 1 to 3 until each K3 CHARIOTLID is stacked on K3 CHARIOT K3 owner s manual EN version 1 0 95 ...

Страница 96: ...umber of operators 1 Prerequisite An array of four K3 is stacked on K3 CHARIOT Procedure 1 Prepare the top enclosure for K3 CHARIOTLID a Lift the front rigging arms and secure the ball locking pin to the LINK position b Lift the rear rigging arms and secure the ball locking pin to 0 25 position 96 K3 owner s manual EN version 1 0 ...

Страница 97: ...Rigging procedures 2 Put K3 CHARIOTCOV on K3 Open the top aps to pull out the front and rear rigging arms of the top enclosure 3 Position one K3 CHARIOTLID on K3 K3 owner s manual EN version 1 0 97 ...

Страница 98: ...front rigging arms of K3 Secure the ball locking pin to the front rigging arm 5 Position the back of K3 CHARIOTLID on the rear rigging arms The rear rigging arm must be in the notch of K3 CHARIOTLID 98 K3 owner s manual EN version 1 0 ...

Страница 99: ...Cabling schemes for K3 Kara II Refer to the cabling schemes to connect the enclosures to different types of output connectors Two channel speakON output SP SP 1 1 2 2 Four channel CA COM output DO SP DOFILL LA8 2W CH A 2W CH B DO SP DO3WFILL 2WAY SUB2 SUB1 b LA8 can drive up to two KS21 or KS21i per output but no more than six per controller at high level For passive loudspeakers the value corresp...

Страница 100: ...o LA ampli ed controllers Cabling schemes for KS28 Two channel speakON output SP SP SP Y1 CC4FP CH 1 CH 2 1 1 2 2 Four channel CA COM output DO SP DOSUB LA8 SPK1 SPK2 SPK3 SPK4 100 K3 owner s manual EN version 1 0 ...

Страница 101: ... Acoustical load LF bass re ex L Vents HF DOSC waveguide L Fins Nominal impedance LF 8 Ω HF 8 Ω Connectors 2 4 point speakON Rigging and handling ush tting 4 point rigging system 2 handles inter enclosure angles 0 25 1 2 3 4 5 7 5 or 10 Weight net 43 kg 95 lb Cabinet premium grade Baltic birch plywood Front coated steel grill acoustically neutral 3D fabric Rigging components high grade steel with ...

Страница 102: ...Speci cations K3 dimensions 950 mm 37 4 in 402 mm 15 8 in 355 mm 13 9 in 286 mm 11 2 in 102 K3 owner s manual EN version 1 0 ...

Страница 103: ...h tting 2 point rigging system 6 ergonomic handles 2 ground runners 8 side runners Weight net 79 kg 174 lb Cabinet premium grade Baltic beech and birch plywood Front coated steel grill acoustically neutral 3D fabric Rigging components high grade steel Finish dark grey brown Pantone 426 C 1 Peak level at 1 m under half space conditions using pink noise with crest factor 4 preset speci ed in bracket...

Страница 104: ... point speakON LINK 1 4 point speakON Rigging and handling ush tting 2 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 grade Baltic beech and birch plywood Front coated steel grill acoustically neutral 3D fabric Rigging components high grade steel with anti corrosion coating Finish dark grey brown Pantone 426 C...

Страница 105: ...Speci cations KS21 dimensions 571 mm 22 5 in 764 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 K3 owner s manual EN version 1 0 105 ...

Страница 106: ... speci cations Description Flying frame for K3 Weight net 35 kg 77 lb Material high grade steel with anti corrosion coating K3 BUMP dimensions 985 mm 38 7 in 520 mm 20 4 in 115 mm 4 5 in 106 K3 owner s manual EN version 1 0 ...

Страница 107: ...escription Rigging bar and pullback for K3 includes LA SLING2T Weight net 18 kg 40 lb Material high grade steel with anti corrosion coating K3 RIGBAR dimensions 199 mm 7 8 in 347 mm 13 6 in 945 mm 37 2 in K3 owner s manual EN version 1 0 107 ...

Страница 108: ...l high grade steel with anti corrosion coating Weight net 3 7 kg 1 2 lb Lifting chain DIN EN 818 4 2 leg 8 mm Steel grade 8 Nominal length incl hooks 3 7 kg 1 2 lb Maximum sling angle βmax 60 Load rating 2 8 t for β 0 45 2 t for β 46 60 LA SLING2T illustration 108 K3 owner s manual EN version 1 0 ...

Страница 109: ...ns Description Interface for ying Kara below K3 Weight net 13 kg 29 lb Material high grade steel with anti corrosion coating KARADOWNK3 dimensions 941 mm 37 in 452 mm 17 7 in 68 mm 2 7 in 90 mm 3 5 in K3 owner s manual EN version 1 0 109 ...

Страница 110: ...ci cations Description Mounting cradles for LA RAK Weight net 7 kg 15 lb Material high grade steel with anti corrosion coating LA RAKMOUNT dimensions 161 9 mm 6 3 in 589 mm 23 2 in 60 mm 2 4 in 110 K3 owner s manual EN version 1 0 ...

Страница 111: ...s Description Azimuth angle tuning accessory 1 5T Weight net 8 kg 18 lb Material high grade steel with anti corrosion coating DELTA 1 5T dimensions 606 mm 23 9 in 304 mm 12 in 41 mm 1 6 in 23 mm 0 9 in K3 owner s manual EN version 1 0 111 ...

Страница 112: ...ging element for stacking K3 on KS28 Weight net 14 kg 31 lb Material high grade steel with anti corrosion coating K3 TILT dimensions 227 mm 8 9 in 402 mm 15 8 in 202 mm 7 9 in 150 mm 5 9 in 30 mm 1 1 in 113 mm 4 4 in 112 K3 owner s manual EN version 1 0 ...

Страница 113: ...eci cations Description Extension bar for K3 BUMP Weight net 16 kg 35 lb Material high grade steel with anti corrosion coating K3 BAR dimensions 1014 mm 39 9 in 215 mm 8 4 in 65 mm 2 5 in K3 owner s manual EN version 1 0 113 ...

Страница 114: ...on Extension sling 1 5 tons included in K3 BUMP Weight net 4 kg 9 lb Material high grade steel with anti corrosion coating BPCHAIN 1 5T dimensions 1280 mm 50 4 in 19 mm 0 7 in 112 mm 4 4 in 98 mm 3 8 in 19 mm 0 7 in 114 K3 owner s manual EN version 1 0 ...

Страница 115: ...peci cations Description Stability bars for KS28 Weight net 9 4 kg 20 lb Material high grade steel with anti corrosion coating KS28 OUTRIG dimensions 55 mm 2 1 in 83 mm 3 2 in 1035 mm 40 7 in K3 owner s manual EN version 1 0 115 ...

Страница 116: ...Speci cations K3 CHARIOT speci cations Description Chariot for up to 4 K3 Weight net 47 kg 104 lb K3 CHARIOT dimensions 610 mm 24 in 283 mm 11 1 in 1063 mm 41 8 in 116 K3 owner s manual EN version 1 0 ...

Страница 117: ...4 tilt adjustment screw jacks bar for K2 CHARIOT Weight net 10 1 kg 22 3 lb for one stabilizer Material high grade steel with anti corrosion coating K2 JACK dimensions 426 mm 16 8 in 1278 mm 50 3 in 124 mm 4 9 in K3 owner s manual EN version 1 0 117 ...

Страница 118: ... cations Description Protective lid for K3 CHARIOT Weight net 11 kg 24 lb Material high grade steel with anti corrosion coating K3 CHARIOTLID dimensions 1031 mm 40 5 in 219 mm 8 6 in 589 mm 23 2 in 118 K3 owner s manual EN version 1 0 ...

Страница 119: ... 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 ...

Страница 120: ...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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