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Inspection and preventive maintenance

Inspection and preventive maintenance

How to do preventive maintenance

Inspect the system before any deployment and after any corrective maintenance operation.
Perform preventive maintenance at least once a year.
Refer to the maintenance manuals for advanced maintenance.

Rigging and hardware

Perform the

Rigging part inspection

(p.35) on each rigging part.

Use the

Mechanical system overview

(p.35) to identify critical parts of the system and apply the specic checks

described in the

Inspection references

(p.40).

If any parts are damaged, contact your L-Acoustics representative for further instructions.

Acoustics

Perform the

Enclosure check

(p.42).

Perform the

Listening test

(p.44) to detect any degradation in sound quality.

If necessary, refer to the

Corrective maintenance

(p.74) section for speaker repair kits and maintenance instructions.

X12 owner's manual (EN) version 1.0

Содержание X12

Страница 1: ...X12 owner s manual EN...

Страница 2: ...manual EN version 1 0 Distribution date May 18 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 wr...

Страница 3: ...2 Connectors 13 Rigging system description 14 X12 system 14 Elements for ying and wall mounting 16 X US1215 and X UL12 16 X UTILT 19 X BAR 20 Elements for pole mounting 22 Pole sockets 22 EMBi 22 Subw...

Страница 4: ...Inspection references 40 Acoustical check 42 Rigging procedures 46 Mounting on a U bracket 46 Using a U bracket with X UTILT 50 Flying with a U bracket 56 Flying with X BAR 62 Pole mounting with a U b...

Страница 5: ...e 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 ti...

Страница 6: ...r notice Check www l acoustics com on a regular basis to download the latest document and software updates Long term exposure to extreme conditions may damage the product For more information refer to...

Страница 7: ...rigging the system perform mandatory inspections and functional checks Inspection and preventive maintenance p 34 4 To deploy the system follow the step by step rigging instructions and refer to the c...

Страница 8: ...speaker cables 4 mm gauge SP cables come in four sizes SP 7 0 7 m 2 3 ft SP5 5 m 16 4 ft SP10 10 m 32 8 ft and SP25 25 m 82 ft SP Y1 breakout cable for two passive enclosures 2 5 mm gauge provided wit...

Страница 9: ...er 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 CH 2 1 m SP 7 SP5 S...

Страница 10: ...System components Rigging elements EMBi X UTILT X BAR X UL12 X US1215 CLAMP250 10 X12 owner s manual EN version 1 0...

Страница 11: ...H V directivity pattern of 60 x 90 Frequency Hz Angle 100 1 000 10 000 180 160 140 120 100 80 60 40 20 0 20 40 60 80 100 120 140 160 180 Frequency Hz Angle 100 1 000 10 000 180 160 140 120 100 80 60...

Страница 12: ...OUT 4 PA IN B 0 dB 0 ms ON KS21_60 KS21_100 SB18_100 SB15_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 S...

Страница 13: ...N connectors can be used interchangeably as IN or LINK connector X12 2 4 point speakON Internal pinout for L Acoustics 2 way passive enclosures speakON points 1 1 2 2 Transducer connectors Not linked...

Страница 14: ...tem features a M8 DIN580 threaded insert designed to implement a secondary safety The logo on the enclosure front can be rotated to adapt to every con guration X12 system features ergonomic handles on...

Страница 15: ...ion X12 system features four runners on the bottom to protect the enclosure X12 system features risers that allow to change the monitor angle from 35 to 55 relative to the vertical CLICK X12 owner s m...

Страница 16: ...U bracket X US1215 or a long U bracket X UL12 The brackets are secured in the enclosure inserts with two threaded knobs A spring lock safety mechanism secures the knobs in the U brackets The threaded...

Страница 17: ...acket in horizontal position In this position the enclosure applies a diagonal force of 405 daN on the anchoring points Fasteners for wall mounting or ceiling mounting Secure the bracket with three M1...

Страница 18: ...les consider the maximum site angle available See Maximum angles p 60 X US1215 features additional holes on the sides to closely t the enclosure and to optimize visual impact The knobs shall be stored...

Страница 19: ...muth angle setting capabilities in a wall mount con guration The site angle can be set from 0 to 45 in 5 steps The azimuth angle can be adjusted with the U bracket X UTILT shall only be used verticall...

Страница 20: ...ar for ying The rigging system consists of a threaded axis with a cam lever X BAR is secured to the dedicated inserts on the enclosure in front or rear extension position Five angulation holes are ava...

Страница 21: ...Rigging system description X BAR is compatible with a 12 mm shackle WLL 1 t provided and with CLAMP250 X12 owner s manual EN version 1 0 21...

Страница 22: ...or pole mounting Pole sockets X12 features two 35 mm pole sockets integrated in the handles EMBi EMBi is a pole mount adapter for X US1215 35 mm pole The site angle can be adjusted with the U bracket...

Страница 23: ...S21 features a 35 mm pole socket which contains an M20 150 insert Use a 35 mm diameter pole The pole can be non threaded or with M20 thread Use an adapter for poles with other dimensions for example t...

Страница 24: ...ical safety Mechanical safety of the rigging system Before any installation always model the system in Soundvision and check the Mechanical Data section for any stress warning or stability warning In...

Страница 25: ...to the ground stage or platform 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 se...

Страница 26: ...ystem operates over the nominal bandwidth of the X12 enclosure The X12 preset allows for a reference frequency response in short throw applications The X12 enclosure is driven by the LA4X LA8 LA12X am...

Страница 27: ...with the X12 The X12 SB15m SB18 and KS21 enclosures are driven by the LA4X LA8 LA12X ampli ed controllers X12 with SB15m With SB15m the X12 system contour is reinforced by 8 dB at 100 Hz and the syst...

Страница 28: ...8 IIi is not mechanically compatible with pole mounted con gurations Enclosure X12 SB18 Preset X12 SB18_100 Frequency range 10 dB 32 Hz 20 kHz Enclosure ratio 1 X12 1 SB18 Delay values Do not forget t...

Страница 29: ...not mechanically compatible with pole mounted con gurations Enclosure X12 SB18 Preset X12 KS21_100 Frequency range 10 dB 31 Hz 20 kHz KS21_100 Enclosure ratio 1 X12 1 KS21 Delay values Do not forget...

Страница 30: ...LA8 and 0 84 ms LA4X LA12X If the monitor is combined with a subwoofer a custom preset must be used Paired X12 system monitors with LFC The Low Frequency Contour LFC tool implemented in LA Network Man...

Страница 31: ..._100 Frequency range 10 dB 40 Hz 20 kHz Enclosure ratio 1 X12 1 SB15m Delay values Do not forget to add the pre alignment and geometric delays depending on the con guration Pre alignment delays preset...

Страница 32: ...t delay values and polarity settings X12_MO SB18_100 X12 0 6 ms SB18 0 ms xx_MO presets for the X series use the ampli ed controller low latency operating mode When used along with subwoofers it is re...

Страница 33: ...ment delay values and polarity settings X12_MO KS21_100 X12 0 ms KS21 0 4 ms xx_MO presets for the X series use the ampli ed controller low latency operating mode When used along with subwoofers it is...

Страница 34: ...inspection p 35 on each rigging part Use the Mechanical system overview p 35 to identify critical parts of the system and apply the speci c checks described in the Inspection references p 40 If any p...

Страница 35: ...part from the enclosure or the rigging accessory Check that the tethers are intact and safely secured 3 Inspect the part from every side Compare with the reference pictures Check for corrosion wear an...

Страница 36: ...provided in the repair kit If no new screw is available add blue threadlocker before reusing the screw Do not apply more than the indicated torque X12 with X UL12 the supporting screws are tightened...

Страница 37: ...e wing knobs can be tightened and loosened by hand pull up the lever and release it the lever returns to its initial position all screws are tightened the top inserts are not damaged X12 pole mounted...

Страница 38: ...ve maintenance X12 pole mounted with X US1215 and EMBi on SB18 the inserts are not damaged Threaded knobs p 40 the screws are tightened the wing knob is tightened Pole mount socket p 41 38 X12 owner s...

Страница 39: ...Inspection and preventive maintenance X12 on the ground Runners and risers p 40 Runners and risers p 40 X12 owner s manual EN version 1 0 39...

Страница 40: ...re tightened Reference pictures Contact your L Acoustics representative for repair instructions Related tasks Rigging part inspection p 35 Threaded knobs Head part does not have cracks Head part is ti...

Страница 41: ...ket Pole mount socket is not damaged or bent Screws are tightened Socket plug is present Reference pictures Contact your L Acoustics representative for repair instructions Related tasks Rigging part i...

Страница 42: ...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 bulleti...

Страница 43: ...tes 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 43 8 Under NC NOK and UNDEF results press and hold...

Страница 44: ...cking 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 tor...

Страница 45: ...erform 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 ta...

Страница 46: ...will require 2 operators Short U bracket in horizontal position In this position the enclosure applies a diagonal force of 405 daN on the anchoring points Fasteners for wall mounting or ceiling mounti...

Страница 47: ...rew length and anchors applicable to the wall or ceiling properties 2 Secure the U bracket to the wall using M10 screws 3 Lift the enclosure by the knobs and place it inside the U bracket Adjust the k...

Страница 48: ...Rigging procedures 5 Set the site angle Use the screw as a reference point to read the label 6 Tighten the knobs Make sure the enclosure is steady 48 X12 owner s manual EN version 1 0...

Страница 49: ...knobs until the enclosure can rotate freely Do not unscrew the knobs all the way 2 On both sides pull on the safety mechanism while lifting the enclosure by the knobs to release it 3 Remove the U brac...

Страница 50: ...to implement a secondary safety Fasteners for wall mounting Secure the X UTILT with two M10 screws Select screw length and anchors applicable to the wall properties The procedure is shown with X UL12...

Страница 51: ...procedures 2 Secure the U bracket to X UTILT 3 Secure the rigging arm to the U bracket Make sure the rigging arm is in the correct position Always use the central insert X12 owner s manual EN version...

Страница 52: ...ite angle and secure the rigging arm to X UTILT Refer to the angles on the label 0 5 10 15 20 25 30 35 40 45 5 Drive the knobs in the inserts on the enclosure Stop when the threading is halfway in 52...

Страница 53: ...obs and place it inside the U bracket Adjust the knobs on both sides so that the safety washer is between the hook and the enclosure 7 Push until the knobs are locked inside the spring lock safety mec...

Страница 54: ...Rigging procedures 8 Set the azimuth angle Use the screw as a reference point to read the label 9 Tighten the knobs Make sure the enclosure is steady 54 X12 owner s manual EN version 1 0...

Страница 55: ...bs until the enclosure can rotate freely Do not unscrew the knobs all the way 2 On both sides pull on the safety mechanism while sliding the enclosure out of the U bracket 3 Remove the U bracket and X...

Страница 56: ...rray use the M8 DIN580 threaded insert to implement a secondary safety The procedure is shown with X US1215 The same procedure applies for X UL12 Assembly Procedure 1 Drive the knobs in the inserts on...

Страница 57: ...til the knobs are locked inside the spring lock mechanism SHLAK Alternatively use the additional holes on the U bracket The hooks on the bracket must be oriented towards the front of the enclosure X12...

Страница 58: ...Rigging procedures Make sure the safety washer goes through the hole on the bracket 4 Tighten the knobs and y the enclosure with a clamp 58 X12 owner s manual EN version 1 0...

Страница 59: ...Rigging procedures 5 Loosen the knobs to set the site angle Use the screw as a reference point to read the label X12 owner s manual EN version 1 0 59...

Страница 60: ...s 6 Tighten the knobs Make sure the enclosure is steady Maximum angles When using the additional holes on the U bracket consider the maximum negative site angle available 40 30 15 60 X12 owner s manua...

Страница 61: ...ng procedures Disassembly Procedure 1 Place the enclosure on a at surface 2 Loosen the knobs 3 Pull on the safety mechanism and remove the U bracket from the enclosure X12 owner s manual EN version 1...

Страница 62: ...dditional material CLAMP250 optional min number of operators 1 Additional safety for own arrays When ying an enclosure or an array use the M8 DIN580 threaded insert to implement a secondary safety Ass...

Страница 63: ...icular to the front grill Use the screws as reference points 4 Tighten the X BAR a Lift the lever and rotate it counter clockwise release the lever and rotate it clockwise Repeat until the X BAR is ti...

Страница 64: ...Rigging procedures b Finally store the lever on the right 64 X12 owner s manual EN version 1 0...

Страница 65: ...site angle Rear extension on horizontal enclosure 24 14 5 5 4 5 14 5 Front extension on horizontal enclosure 4 14 23 31 5 40 Rear extension on vertical enclosure 10 5 3 5 13 20 5 Front extension on v...

Страница 66: ...Rigging procedures 6 Lift the assembly 66 X12 owner s manual EN version 1 0...

Страница 67: ...Disassembly Procedure 1 Take down the assembly 2 Lift the lever and rotate it clockwise 3 Release the lever and rotate it counter clockwise 4 Repeat until the X BAR can be removed X12 owner s manual...

Страница 68: ...ditional material 35 mm pole min number of operators 1 Assembly Procedure 1 Secure EMBi to the U bracket with the provided bolts and nuts 2 Secure the U bracket to the enclosure using the additional h...

Страница 69: ...Rigging procedures Make sure the safety washer goes through the hole on the bracket 3 Tighten the knobs reverse the assembly and mount it on a pole 4 Tighten EMBi X12 owner s manual EN version 1 0 69...

Страница 70: ...Rigging procedures 5 Loosen the knobs to set the site angle Consider the maximum positive site angle available Maximum angles 40 30 15 70 X12 owner s manual EN version 1 0...

Страница 71: ...Rigging procedures 6 Tighten the knobs Make sure the enclosure is steady The assembly can be mounted on a tripod or on a subwoofer X12 owner s manual EN version 1 0 71...

Страница 72: ...t this task Remove the assembly from the pole before disassembling the enclosure and the bracket Procedure 1 Loosen EMBi to remove the assembly from the pole 2 Remove the bracket from the enclosure 72...

Страница 73: ...enclosure types LA4X LA8 LA12X per output total per output total per output total X12 1 4 2 8 3 12 Cabling schemes for X12 Refer to the cabling schemes to connect the enclosures to different types of...

Страница 74: ...5 mm hex bit spherical head ETS 105 FACOM T10 Torx bit EX 110 FACOM 3 mm hex bit 3 mm hex wrench compressed air blower double face adhesive tape included in the L Acoustics Maintenance Toolcase Maint...

Страница 75: ...assembly procedures In order to operate follow the order outlined here Each assembly refers to the corresponding D R procedure and the necessary repair kit GRILL COAXIAL SPEAKER G03169 HF DIAPHRAGM G0...

Страница 76: ...R diaphragm X12 6 S100033 M5 25 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 Gradually tighte...

Страница 77: ...2 grill stop screw 12 speaker gasket Prerequisite Grill disassembled See Grill p 76 Exploded view For safety reasons always use the new screws and spare parts provided in the KR Gradually tighten the...

Страница 78: ...ite Grill disassembled See Grill p 76 Coaxial speaker removed See Coaxial loudspeaker p 77 The speaker is placed on a at surface in a dust free environment Disassembly Procedure 1 Remove the four scre...

Страница 79: ...nitially present 3 Carefully place the diaphragm 4 Position the diaphragm using the LF cable connectors as reference points Place the small HF connector on the same side as the small LF connector 5 Se...

Страница 80: ...Forbidden con gurations Forbidden con gurations Forbidden Authorized 80 X12 owner s manual EN version 1 0...

Страница 81: ...Forbidden con gurations Forbidden Authorized X12 owner s manual EN version 1 0 81...

Страница 82: ...ts ellipsoidal waveguide Nominal impedance 8 Connectors IN 1 4 point speakON LINK 1 4 point speakON Rigging and handling 2 handles DIN580 compatible M8 threaded insert 4 M10 threaded inserts 2 35 mm p...

Страница 83: ...Speci cations X12 dimensions 496 mm 19 5 in 430 mm 16 9 in 471 mm 18 5 in 500 mm 19 7 in 341 mm 13 4 in 403 mm 15 9 in 375 mm 14 8 in X12 owner s manual EN version 1 0 83...

Страница 84: ...peakON LINK 1 4 point speakON Rigging and handling 2 handles 2 coupling bars and 2 locking tabs 1 35 mm pole socket Weight net 36 kg 79 4 lb Cabinet premium grade Baltic birch plywood Front coated ste...

Страница 85: ...Speci cations SB15m dimensions 520 mm 20 5 in 439 mm 17 3 in 580 mm 22 8 in X12 owner s manual EN version 1 0 85...

Страница 86: ...1 4 point speakON LINK 1 4 point speakON Rigging and handling 4 handles integrated into the cabinet captive rigging system 1 35 mm pole socket Weight net 52 kg 115 lb Cabinet premium grade Baltic bir...

Страница 87: ...Speci cations SB18 dimensions 750 mm 29 5 in 707 mm 27 8 in 553 mm 21 8 in X12 owner s manual EN version 1 0 87...

Страница 88: ...impedance 8 Connectors 1 4 point terminal block with push in connection Rigging and handling external rigging kits 12 M6 inserts for rigging 8 M6 inserts for screens Weight net 48 kg 106 lb Cabinet p...

Страница 89: ...Speci cations SB18 IIi dimensions 701 mm 27 6 in 540 mm 21 2 in 701 mm 27 6 in 728 mm 28 7 in X12 owner s manual EN version 1 0 89...

Страница 90: ...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...

Страница 91: ...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 X12 owner s manual EN version 1 0 91...

Страница 92: ...nce 8 Connectors 1 4 point terminal block with push in connection Rigging and handling external rigging kits M6 inserts for rigging plates M8 inserts for A U15i 1 DIN580 compatible M8 threaded insert...

Страница 93: ...Speci cations KS21i dimensions 569 mm 22 4 in 752 mm 29 6 in 602 mm 23 7 in 629 mm 24 8 in X12 owner s manual EN version 1 0 93...

Страница 94: ...n Long U bracket for X12 Weight net 2 7 kg 5 9 lb Material high grade steel with anti corrosion coating X UL12 dimensions M10 53 mm 2 1 in 559 mm 22 in 341 mm 13 4 in 601 mm 23 7 in 96 mm 3 8 in 200 m...

Страница 95: ...U bracket for X12 and X15 HiQ Weight net 3 kg 6 6 lb Material high grade steel with anti corrosion coating X US1215 dimensions 535 mm 21 1 in 493 mm 19 4 in 470 mm 18 5 in M10 53 mm 2 1 in 80 mm 3 1...

Страница 96: ...ion Rigging bar for 1 enclosure 1 12 mm shackle WLL 1 t Weight net 1 1 kg 2 4 lb Material high grade steel with anti corrosion coating X BAR dimensions 185 mm 7 3 in 13 mm 0 5 in 83 mm 3 3 in 85 mm 3...

Страница 97: ...ket wallmount for X series with tilt adjustment Weight net 1 5 kg 3 3 lb Material high grade steel with anti corrosion coating X UTILT dimensions 300 mm 11 8 in M10 55 mm 2 2 in 88 mm 3 5 in 65 mm 2 6...

Страница 98: ...scription Pole mount socket 8XTi 12XTi and X series Weight net 0 5 kg 1 lb Material high grade steel with anti corrosion coating EMBi dimensions 46 mm 1 8 in 35 mm 1 4 in 76 mm 3 in 115 5 mm 4 5 in 98...

Страница 99: ...ow 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 load 4 load...

Страница 100: ...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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