L-Acoustics X4i Owner'S Manual Download Page 22 | Manualshive

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Loudspeaker congurations

X4i stage monitor

Deployed as a stage monitor, the X4i system operates over the nominal bandwidth of the enclosure.
The [X4_MO] preset delivers a reference frequency response in stage monitoring applications.
X4i is driven by the LA2Xi / LA4X / LA8 / LA12X amplied controllers.

Enclosure

X4i

Preset

[X4_MO]

Frequency range (-10 dB)

120 Hz - 20 kHz

Low-latency preset

A low-latency preset is available for the X4i enclosure used as a monitor ([X4_MO]). It reduces latency from 3.84 ms

down to 1.18 ms (LA8) and 0.84 ms (LA2Xi / LA4X / LA12X). If the monitor is combined with a subwoofer, a custom

preset must be used.

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X4i owner's manual (EN) version 4.0

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Summary of Contents for X4i

Page 1: ...X4i owner s manual EN ...

Page 2: ... manual EN version 4 0 Distribution date May 30 2022 2022 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: ...aker con gurations 19 X4i point source 19 X4i point source with low frequency element 20 X4i point source with Syva Sub 20 X4i point source with SB10i 21 X4i stage monitor 22 Low latency preset 22 X4i stage monitor with low frequency element 23 X4i stage monitor with Syva Sub 23 X4i stage monitor with SB10i 24 Inspection and preventive maintenance 25 How to do preventive maintenance 25 Mechanical ...

Page 4: ...acket 32 Pole mounting X4i 34 Connection to LA ampli ed controllers 36 Corrective maintenance 37 Exploded view 37 Disassembly and reassembly procedures 38 D R Grill 38 D R Coaxial loudspeaker 39 D R HF Diaphragm 41 Speci cations 42 X4i 42 Syva Sub 43 SB10i 44 X U4i 46 X B4i 47 4 ...

Page 5: ...he 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 any rigging equipment...

Page 6: ...e on the website Read the maintenance section of this document before servicing the product Contact L Acoustics for advanced maintenance Any unauthorized maintenance operation will void the product warranty This marking indicates that this product should not be disposed of with other household waste throughout the EU To prevent possible harm to the environment or human health from uncontrolled was...

Page 7: ...s evolution of techniques and standards L Acoustics reserves the right to change the speci cations of its products and the content of its document without prior notice Please check www l acoustics com on a regular basis to download the latest document and software updates Contact information For information on advanced corrective maintenance contact your Certi ed Provider or your L Acoustics repre...

Page 8: ...020 Added LA2Xi and removed LA4 Updated cabling schemes in Connection to LA ampli ed controllers p 36 4 0 May 2022 Added new SB10i subwoofer Added new X B4i p 15 rigging accessory Added preset X4_MO for stage monitor con gurations See X4i stage monitor p 22 Added instructions D R HF Diaphragm p 41 Added new washers for mounting the loudspeaker Refer to D R Coaxial loudspeaker p 39 8 X4i owner s ma...

Page 9: ...2 point speakON cable 2 point speakON cable 2 5 mm gauge to bare wire cable This cable needs to be custom made Information about the connection of the enclosures to the LA ampli ed controllers is given in this document Refer to the LA2Xi LA4X LA8 LA12X owner s manual for detailed instructions about the whole cabling scheme including modulation cables and network Rigging elements X U4i Adjustable U...

Page 10: ...System components System component illustrations Cables 2 2 5 mm cable custom 2 point speakON cable Rigging accessories X U4i X B4i 10 X4i owner s manual EN version 4 0 ...

Page 11: ...le enclosure using lines of equal sound pressure at 3 dB 6 dB 12 dB Preset description X4 X4_MO outputs channels routing gain delay polarity mute OUT 1 PA IN A 0 dB 0 ms ON OUT 2 PA IN A 0 dB 0 ms ON OUT 3 PA IN B 0 dB 0 ms ON OUT 4 PA IN B 0 dB 0 ms ON SB10_200 SYVA SUB_200 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...

Page 12: ...only one connector is used replace one cable gland with the protective plug Pass the cables through the cable glands before connecting them to the screw terminals Secure the connector sealing plate to protect the connectors T10 Internal pinout for L Acoustics 2 way passive enclosures screw terminal points IN IN Transducer connectors 12 X4i owner s manual EN version 4 0 ...

Page 13: ...he back of X4i are available for compatible rigging accessories Secondary safety for own enclosures Use one insert at the back of the enclosure to implement a secondary safety M5 X U4i X B4i M6 M5 X U4i X B4i Always put the placeholder screws back in place to avoid leaks X U4i X U4i is an adjustable U bracket compatible with X4i X4i owner s manual EN version 4 0 13 ...

Page 14: ...6 mm 0 26 in 70 mm 2 8 in Fasteners for wall mounting or ceiling mounting Secure the bracket with two M6 screws Select screw length and anchors applicable to the wall or ceiling properties X U4i features three holes on both sides to closely t the enclosure and to optimize visual impact 14 X4i owner s manual EN version 4 0 ...

Page 15: ... to a microphone stand with a Ø 10 mm threaded axis European standard and the matching locking ring Adapter for US microphone stand Use a 3 8 16 male to 5 8 27 female microphone screw adapter and a locking ring to mount X4i on a US standard microphone stand X B4i X B4i is bracket compatible with X4i X4i owner s manual EN version 4 0 15 ...

Page 16: ...Fasteners for wall mounting or ceiling mounting Secure the bracket with two M6 screws Select screw length and anchors applicable to the wall or ceiling properties X B4i can also be used as a base to put X4i on an horizontal plane with site angle adjustment Always put the product on a stable at and even surface 16 X4i owner s manual EN version 4 0 ...

Page 17: ... bracket can be tted to a microphone stand with a Ø 10 mm threaded axis European standard and the matching locking ring Adapter for US microphone stand Use a 3 8 16 male to 5 8 27 female microphone screw adapter and a locking ring to mount X4i on a US standard microphone stand X4i owner s manual EN version 4 0 17 ...

Page 18: ...escribed in this manual achieve a safety factor of 5 X4i con guration rigging accessory maximum safe limit wall mounted ceiling mounted X U4i or X B4i 1 pole mounted X U4i or X B4i microphone stand European standard 1 ground stacked X B4i optional 1 Secondary safety for own enclosures Use one insert at the back of the enclosure to implement a secondary safety 18 X4i owner s manual EN version 4 0 ...

Page 19: ...em operates over the nominal frequency range of the enclosure The X4 preset delivers a reference frequency response in short throw applications X4i is driven by the LA2Xi LA4X LA8 LA12X ampli ed controllers Enclosure X4i Preset X4 Frequency range 10 dB 120 Hz 20 kHz X4i owner s manual EN version 4 0 19 ...

Page 20: ... the LA2Xi LA4X LA8 LA12X ampli ed controllers X4i point source with Syva Sub With Syva Sub the bandwidth of the X4i system is extended down to 29 Hz and the system contour is reinforced by 7 dB at 50 Hz peak low end SPL Enclosure X4i Syva Sub Preset X4 SYVA SUB_200 Ratio 2 X4i 1 Syva Sub Frequency range 10 dB 29 Hz 20 kHz Delay values Do not forget to add the pre alignment and geometric delays de...

Page 21: ...Hz peak low end SPL Enclosure X4i SB10i Preset X4 SB10_200 Ratio 2 X4i 1 SB10i Frequency range 10 dB 29 Hz 20 kHz Delay values Do not forget to add the pre alignment and geometric delays depending on the con guration Pre alignement delays X4i SB10i presets pre alignment delay values and polarity settings X4 SB10_200 X4i 2 4 ms SB10i 0 ms X4i owner s manual EN version 4 0 21 ...

Page 22: ...cations X4i is driven by the LA2Xi LA4X LA8 LA12X ampli ed controllers Enclosure X4i Preset X4_MO Frequency range 10 dB 120 Hz 20 kHz Low latency preset A low latency preset is available for the X4i enclosure used as a monitor X4_MO It reduces latency from 3 84 ms down to 1 18 ms LA8 and 0 84 ms LA2Xi LA4X LA12X If the monitor is combined with a subwoofer a custom preset must be used 22 X4i owner ...

Page 23: ...range 10 dB 29 Hz 20 kHz Delay values Do not forget to add the pre alignment and geometric delays depending on the con guration Pre alignement delays X4i Syva Sub presets pre alignment delay values and polarity settings X4 or X4_MO SYVA SUB_200 X4i 0 ms Syva Sub 0 5 ms xx_MO presets for the X series and A series use the ampli ed controller low latency operating mode When used along with subwoofers...

Page 24: ...s X4_MO SB10_200 X4i 0 ms SB10i 0 ms xx_MO presets for the X series and A series use the ampli ed controller low latency operating mode When used along with subwoofers it is recommended to use the subwoofers in low latency operating mode To achieve this create custom presets combining low latency channel sets and subwoofer channel sets If the subwoofers are driven from a dedicated ampli ed control...

Page 25: ...to identify critical parts of the system Acoustics Perform the Enclosure check p 28 Perform the Listening test p 30 to detect any degradation in sound quality Mechanical system overview Critical parts of the lifting chains are highlighted The indicates a visual inspection The indicates a functional check Replacing screws If a screw is loose remove and replace it Always use the new screws provided ...

Page 26: ...e maintenance X4i own with X U4i X B4i Inspect X B4i in the same way as X U4i screws are not loose secondary safety is present grill screws are tightened connector sealing plate is secured 26 X4i owner s manual EN version 4 0 ...

Page 27: ...Inspection and preventive maintenance X4i pole mounted with X U4i grill screws are tightened screws are not loose ring is tightened X4i owner s manual EN version 4 0 27 ...

Page 28: ...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...

Page 29: ...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 29 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 ...

Page 30: ...F speaker 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 con...

Page 31: ...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 test...

Page 32: ... at the back of the enclosure to implement a secondary safety Fasteners for wall mounting or ceiling mounting Secure the bracket with two M6 screws Select screw length and anchors applicable to the wall or ceiling properties The procedure is shown with X U4i The same procedure applies for X B4i Assembly Procedure 1 Secure X U4i or X B4i to the wall or to the ceiling using two M6 screws 2 x Ø 6 6 m...

Page 33: ...site angle choose the appropriate hole on X U4i to adjust the gap between the enclosure and the bracket and to optimize visual impact 4 Position the enclosure inside the bracket 5 Partially drive the screws T25 Risk of damaging the insert Do not overtighten the screw 6 Adjust the angle and tighten the screws Make sure the enclosure is steady T25 5 N m X4i owner s manual EN version 4 0 33 ...

Page 34: ...ophone stand The procedure is shown with X U4i The same procedure applies for X B4i Assembly Procedure 1 Secure the microphone stand to X U4i or X B4i with the locking ring 2 On both sides of the enclosure remove the screws T25 Risk of injury Keep ngers away from the contact area between the bracket and the enclosure 3 Position the enclosure inside X U4i or X B4i With X U4i select the holes on the...

Page 35: ...e to adjust the gap between the enclosure and the bracket and to optimize visual impact 4 Partially drive the screws T25 Risk of damaging the insert Do not overtighten the screw 5 Adjust the angle and tighten the M5 screws Make sure the enclosure is steady T25 5 N m X4i owner s manual EN version 4 0 35 ...

Page 36: ...roller refer to the footnotes LA2Xi LA4X LA8 LA12X per output total per output total per output total per output total X4i 4 16 4 16 6 24 6 24 Cabling schemes for X4i One channel speakON output 1 1 custom cable 2 5 mm cable 1 1 Two channel speakON output 1 1 2 2 2 5 mm cable custom cable 1 1 2 2 2 5 mm cable Terminal block output LA2Xi 1 1 2 2 3 3 4 4 2 5 mm cables For passive loudspeakers the val...

Page 37: ...Corrective maintenance Corrective maintenance Exploded view In order to operate follow the order outlined here Coaxial loudspeaker G03458 Grill HF diaphragm G03459 X4i owner s manual EN version 4 0 37 ...

Page 38: ...Consumables blue threadlocker Repair kits G03458 KR coaxial speaker X4i 4 S240 M3 8 Torx Exploded view Gradually tighten the screws following a star pattern Position the grill with the logo at the bottom Put blue threadlocker in the grill inserts before reassembly T10 x4 x4 38 X4i owner s manual EN version 4 0 ...

Page 39: ... speaker X4i 1 4 4 4 2 FT03351 S100025 S157 FT010913 102259 4 coaxial driver 16 ohms M4 16 Torx plain washer Ø4 mm retaining washer Ø4 mm 4 speaker gasket The screws and fasteners are also provided in the G03459 KR diaphragm 1 4 X4i Prerequisite Grill removed See D R Grill p 38 X4i owner s manual EN version 4 0 39 ...

Page 40: ...cker Gradually tighten the screws following a star pattern If the speaker gasket is damaged remove and replace it Place the loudspeaker with the connectors towards the top of the enclosure Position the FT010913 washers with the grips against the cabinet x4 1 5 N m T20 What to do next Perform the Acoustical check p 28 procedures 40 X4i owner s manual EN version 4 0 ...

Page 41: ...aker is placed on a at surface in a dust free environment Exploded view For safety reasons always use the new screws and spare parts provided in the KR Make sure the air gap is perfectly clean before reassembly Use a blower or double face adhesive to remove any particle Position the diaphragm assembly with the positive HF connector red on the same side as the positive LF connector Gradually tighte...

Page 42: ...nt screw terminal Rigging and handling 2 M5 inserts for X U4i 2 M6 inserts for rigging accessory Safety 1 M6 insert for secondary safety Weight net 1 kg 2 2 lb Cabinet premium grade Baltic birch plywood Front coated steel grill Finish dark grey brown Pantone 426 C pure white RAL 9010 custom RAL code on special order IP IP552 1 Peak level at 1 m under free eld conditions using pink noise with crest...

Page 43: ... ex L Vents Nominal impedance 8 Ω Connectors IN 1 4 point speakON 1 AutoConnect Weight net 27 kg 60 lb Cabinet premium grade Baltic beech and birch plywood Front coated steel grill acoustically neutral 3D fabric Finish dark grey brown Pantone 426 C pure white RAL 9010 custom RAL code on special order IP IP55 1 Peak level at 1 m under half space conditions using pink noise with crest factor 4 prese...

Page 44: ...1 10 cone driver Acoustical load bass re ex L Vents Nominal impedance 8 Ω Connectors 1 4 point terminal block with push in connection Rigging and handling 12 M6 inserts for rigging accessories Weight net 15 kg 33 lb Cabinet premium grade Baltic birch plywood Front coated steel grill acoustically neutral 3D fabric Finish dark grey brown Pantone 426 C pure white RAL 9010 custom RAL code on special o...

Page 45: ...Speci cations SB10i dimensions 169 mm 6 7 in 178 mm 7 in 539 mm 21 2 in 539 mm 21 2 in X4i owner s manual EN version 4 0 45 ...

Page 46: ...ion Adjustable U bracket for X4i Weight net 0 3 kg 0 7 lb Material steel with anti corrosion coating X U4i dimensions 123 mm 4 8 in 101 mm 4 in 40 mm 1 6 in Ø 11 mm 0 43 in 70 mm 2 8 in 2 x Ø 6 6 mm 0 26 in 46 X4i owner s manual EN version 4 0 ...

Page 47: ...e plate and bracket for X4i Weight net 0 4 kg 0 9 lb Material high grade steel with anti corrosion coating X B4i dimensions 106 mm 4 2 in Ø 11 mm 0 43 in 101 mm 4 in 123 mm 4 8 in 2 x Ø 6 6 mm 0 26 in 70 mm 2 8 in X4i owner s manual EN version 4 0 47 ...

Page 48: ...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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