L-Acoustics X4i Owner's Manual
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L-Acoustics X4i Owner's Manual

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Summary of Contents for L-Acoustics X4i

  • Page 1 owner's manual (EN)
  • Page 2 Document reference: X4i owner's manual (EN) version 1.1 Distribution date: June 4, 2019 © 2019 L-Acoustics. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means without the express written consent of the publisher.

  • Page 3: Table Of Contents

    X4i................................ 12 X-U4i..............................12 Mechanical safety.............................15 Loudspeaker congurations..........................16 X4i point source............................. 16 X4i point source with low-frequency element....................17 Inspection and preventive maintenance....................... 18 How to do preventive maintenance......................18 Mechanical system overview........................18 X4i own with X-U4i........................18 X4i pole-mounted with X-U4i......................19 Acoustical check.............................
  • Page 4 Loudspeaker connection............................ 28 LA4X..............................28 LA8............................... 29 LA12X..............................29 Corrective maintenance............................. 30 X4i exploded view..........................30 D/R - Grill............................. 31 D/R - Coaxial loudspeaker........................32 D/R - HF Diaphragm..........................33 Specications..............................35 X4i................................ 35 Syva Sub............................... 36 X-U4i..............................37...

  • Page 5: Safety

    Respect the Working Load Limit (WLL) of third party equipment. L-Acoustics is not responsible for any rigging equipment and accessories provided by third party manufacturers. Verify that the Working Load Limit (WLL) of the suspension points, chain hoists and all additional hardware rigging accessories is respected.

  • Page 6: Symbols

    This system is intended for use by trained personnel for professional applications. As part of a continuous evolution of techniques and standards, L-Acoustics reserves the right to change the specications of its products and the content of its documents without prior notice.

  • Page 7: Introduction

    Introduction How to use this manual The X4i owner's manual is intended for all actors involved in the system design, implementation, preventive and corrective maintenance of the X4i system. It must be used as follows: 1. Read the technical description for an overview of all system elements, their features, and their compatibilities.

  • Page 8: System Components

    2U Electronics transport and protection case 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. X4i owner's manual (EN) version 1.1...

  • Page 9: Loudspeaker Cables

    0.7 m / 5 m / 10 m / 25 m CH(1) CH(2) SP.7 / SP5 / SP10 / SP25 SP-Y1 2-point speakON cable (2.5 mm gauge) to bare wire cable This cable needs to be custom made. Rigging elements X-U4i X4i owner's manual (EN) version 1.1...

  • Page 10: Electro-Acoustical Description

    Electro-acoustical description Electro-acoustical description Directivity X4i generates an axisymmetrical directivity pattern of 110°. -100 -120 -140 -160 -180 1 000 10 000 Frequency (Hz) Dispersion angle diagram of a single enclosure, using lines of equal sound pressure at -3 dB, -6 dB, -12 dB.

  • Page 11: Connectors

    Connectors IN LINK 2 × 2-point screw terminal X4i is provided with a connector sealing plate with two cable glands for 2.5 mm cables. If 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.

  • Page 12: Rigging System Description

    Rigging system description X4i features one M5 insert and screw on each side to connect X-U4i. Three M6 inserts and screws at the 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.
  • Page 13 Rigging system description It can be used to mount one X4i on the wall or under the ceiling, with site angle adjustment. 70 mm / 2.8 in 2 x Ø 6.6 mm / 0.2 in Fasteners for wall-mounting or ceiling-mounting Secure the bracket with two M6 screws.
  • Page 14 The U-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 1.1...

  • Page 15: Mechanical Safety

    Mechanical safety Mechanical safety The X4i rigging system complies with EN 62368-1: 2014 Audio/video, information and communication technology equipment — Part 1: Safety requirements. The deployments described in this manual achieve a safety factor of 5. conguration rigging accessory maximum / safe limit...

  • Page 16: Loudspeaker ConGurations

    Loudspeaker congurations X4i point source In this conguration, the X4i system 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 LA4 / LA4X / LA8 / LA12X amplied controllers.

  • Page 17: X4I Point Source With Low-Frequency Element

    Loudspeaker congurations X4i point source with low-frequency element In a typical distributed conguration with Syva Sub, the bandwidth of the X4i system is extended down to 29 Hz and the system contour is reinforced by 12 dB at 50 Hz.

  • Page 18: Inspection And Preventive Maintenance

    If no new screw is available, add blue threadlocker before reusing the screw. Do not apply more than the indicated torque. X4i own with X-U4i screws are not loose secondary safety is present grill screws are tightened connector sealing plate is secured X4i owner's manual (EN) version 1.1...

  • Page 19: X4I Pole-Mounted With X-U4I

    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 1.1...

  • Page 20: Acoustical Check

    6. Press the OK key or the encoder wheel to launch the ENCLOSURE CHECK. The amplied controller generates short sinusoidal signals simultaneously for each connected output. The amplied controller displays the results for each output. X4i owner's manual (EN) version 1.1...
  • Page 21 • a percentage of variation from the expected range (found in NOK and UNDEF results) • the number of operational transducers out of the total Low variations from the expected range are acceptable: displayed percentage can be different from 0 and all transducers considered operational. X4i owner's manual (EN) version 1.1...

  • Page 22: Listening Test

    2. Carefully clean the loudspeaker with a dry cloth. 3. Perform the reassembly procedure. Replace the loudspeaker gasket and the screws. Apply the recommended torque. 4. Repeat the listening test. If the problem persists, replace the loudspeaker. X4i owner's manual (EN) version 1.1...
  • Page 23 If any damage is visible, replace the diaphragm. 3. Clean the air gap thoroughly. 4. Perform the reassembly procedure. Pay close attention to the position of the diaphragm. Apply the recommended torque. 5. Repeat the listening test. X4i owner's manual (EN) version 1.1...

  • Page 24: Rigging Procedures

    1. Secure X-U4i to the wall or to the ceiling using two M6 screws. 70 mm / 2.8 in 2 x Ø 6.6 mm / 0.2 in 2. On both sides of the enclosure, remove the screws. 3. Apply blue threadlocker on the screws. X4i owner's manual (EN) version 1.1...
  • Page 25 4. Position the enclosure inside X-U4i and align the inserts with the selected holes on the bracket. 5. Partially drive the screws. Risk of damaging the insert Do not overtighten the screw. 6. Adjust the angle and tighten the screws. Make sure the enclosure is steady. 5 N.m X4i owner's manual (EN) version 1.1...

  • Page 26: Pole-Mounting X4I

    T25 Torx bit 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. Assembly Procedure 1. Secure the microphone stand to X-U4i with the locking ring.
  • Page 27 Choose the appropriate hole to adjust the gap between the enclosure and the bracket and to optimize visual impact. 4. Partially drive the screws. 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. 5 N.m X4i owner's manual (EN) version 1.1...

  • Page 28: Loudspeaker Connection

    Cabling schemes for LA4X Connecting 2-way passive enclosures 2-way passive enclosure on speakON output - custom 2-point speakON to bare wire cable custom speakON 2.5 mm² cable custom speakON OUT1 OUT3 OUT4 OUT2 custom speakON custom speakON X4i owner's manual (EN) version 1.1...

  • Page 29: La8

    2-way passive enclosure on speakON output - SP + SP-Y1 + custom 2-point speakON to bare wire cable custom speakON 2.5 mm² cable CH(1) (OUT1) SP-Y1 CC4FP CC4FP custom speakON CH(2) (OUT2) OUT1/OUT2 OUT3/OUT4 2.5 mm² cable CC4FP same as OUT1/OUT2 X4i owner's manual (EN) version 1.1...

  • Page 30: Corrective Maintenance

    Corrective maintenance Corrective maintenance X4i exploded view In order to operate, follow the order outlined here. GRILL COAXIAL LOUDSPEAKER G03458 HF DIAPHRAGM G03459 X4i owner's manual (EN) version 1.1...

  • Page 31: D/R - Grill

    Corrective maintenance D/R - Grill Tools • torque screwdriver • T10 Torx bit Repair kit G03458 - KR coaxial speaker X4i or G03459 - KR diaphragm 1.4'' X4i ×4 S240 M3×8 Torx Exploded view For safety reasons, always use the new screws and spare parts provided in the KR.

  • Page 32: D/R - Coaxial Loudspeaker

    FT03351 S100025 102259 4" coaxial driver - 16 ohms M4×16 Torx 4" loudspeaker gasket The screws and gaskets are also available in G03459 - KR diaphragm 1.4'' X4i . Prerequisite Grill disassembled. Grill (p.31). Exploded view For safety reasons, always use the new screws and spare parts provided in the KR.

  • Page 33: D/R - Hf Diaphragm

    S18071 diaphragm kit for 1.4" driver - 16 Ω M3×8 Torx Prerequisite Grill disassembled. Grill (p.31). Coaxial speaker removed. Coaxial loudspeaker (p.32). The speaker is placed on a at surface in a dust-free environment. X4i owner's manual (EN) version 1.1...
  • Page 34 Position the diaphragm assembly with the positive HF connector (red) on the same side as the positive LF connector. Gradually tighten the screws following a star pattern. 0.5 N.m What to do next Perform the Acoustical check (p.20) procedures. X4i owner's manual (EN) version 1.1...

  • Page 35: SpeciCations

    Peak level at 1 m under free eld conditions using pink noise with crest factor 4 (preset specied in brackets). With connector sealing plate. X4i dimensions 116 mm / 4.6 in 99 mm / 3.9 in X4i owner's manual (EN) version 1.1...

  • Page 36: Syva Sub

    IP55 Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specied in brackets). Syva Sub dimensions 334 mm / 13.1 in 350 mm / 13.8 in X4i owner's manual (EN) version 1.1...

  • Page 37: X-U4I

    Material steel with anti-corrosion coating X-U4i dimensions 123 mm / 4.8 in 40 mm / 1.6 in 70 mm / 2.8 in Ø 11 mm / 0.4 in Ø 6.6 mm / 0.2 in X4i owner's manual (EN) version 1.1...
  • Page 38 L-Acoustics, an L-Group Company 13 rue Levacher Cintrat - 91460 Marcoussis - France +33 1 69 63 69 63 - info@l-acoustics.com www.l-acoustics.com L-Acoustics GmbH L-Acoustics Ltd. L-Acoustics Inc. Steiermärker Str. 3-5 PO. Box Adler Shine - Aston House 2645 Townsgate Road, Suite 600...

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