L-Acoustics X8 User Manual
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L-Acoustics X8 User Manual

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Summary of Contents for L-Acoustics X8

  • Page 1 user manual (EN)
  • Page 2 Document reference: X8 user manual (EN) version 3.0 Distribution date: October 7, 2016 © 2016 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...

  • Page 3: Table Of Contents

    Loudspeaker congurations..........................8 X8 point source............................8 X8 point source with LF..........................9 X8 with SB15m..........................9 X8 stage monitor............................ 10 X8 stage monitor with LF......................... 11 X8 stage monitor with SB15m......................11 Loudspeaker connection............................ 12 Connectors............................. 12 Connection to LA4X..........................13 Connection to LA8..........................15 Connection to LA12X..........................

  • Page 4: Safety

    Inspect the product before operation. If any sign of defect or damage is detected, immediately withdraw the product from use for maintenance. Never incorporate equipment or accessories not approved by L-Acoustics. Read all the related PRODUCT INFORMATION documents shipped with the products before exploiting the system.

  • Page 5: Welcome

    RAL color program means that it can melt into any architecture. The X8 is an ideal live monitor capable of accurately translating the signature of large systems at FOH position or in control rooms. The X8 features a pristine L-Acoustics sonic signature, a high SPL capability and extended LF resources in a compact format.

  • Page 6: System Components

    Refer to the LA4X / LA8 / LA12X user manual for detailed instructions about the whole cabling scheme, including modulation cables and network. Rigging elements Rigging elements or procedures are not presented in this document. Refer to the X8 rigging manual. Software applications Soundvision 3D acoustical and mechanical modeling software LA Network Manager software for remote control and monitoring of amplied controllers...

  • Page 7: Technical Description

    −40 −60 −80 −100 −120 −140 −160 −180 1 000 10 000 Frequency (Hz) Dispersion angle diagram of a single X8 using lines of equal sound pressure at -3 dB, -6 dB, -12 dB. X8 user manual (EN) version 3.0...

  • Page 8: Loudspeaker ConGurations

    Loudspeaker congurations X8 point source Deployed as a standalone point source, an X8 system operates over the nominal bandwidth of the X8 enclosure. The [X8] preset allows for a reference frequency response in short throw applications. The X8 enclosure is driven by the LA4X / LA8 / LA12X amplied controllers.

  • Page 9: X8 Point Source With Lf

    The X8 and SB15m enclosures are driven by the LA4X / LA8 / LA12X amplied controllers. X8 with SB15m With SB15m, the X8 system contour is reinforced by 8 dB at 100 Hz and the bandwidth is extended down to 40 Hz. Enclosure X8...

  • Page 10: X8 Stage Monitor

    LFC allows to adjust the frequency response curve to obtain the desired low frequency contour. For paired X8 monitors, enter the following parameters to obtain the reference response curve of a single enclosure: -3.0 For more information about LFC, refer to the LA Network Manager video tutorial (module: Group Control Panel) and to the Array Morphing white paper, available on www.l-acoustics.com...

  • Page 11: X8 Stage Monitor With Lf

    The X8 and the SB15m enclosures are driven by the LA4X / LA8 / LA12X amplied controllers. X8 stage monitor with SB15m With SB15m, the X8 system contour is reinforced by 8 dB at 100 Hz and the system bandwidth is extended down to 40 Hz.

  • Page 12: Loudspeaker Connection

    Loudspeaker connection Loudspeaker connection Connectors The X8 is equipped with two 4-point speakON connectors. LINK Internal pinout for L-Acoustics 2-way passive enclosures speakON points Transducer connectors + Not linked Not linked The SB15m is equipped with two 4-point speakON connectors.

  • Page 13: Connection To La4X

    Connecting 2-way passive enclosures 2-way passive enclosure on speakON output - SP OUT1 OUT3 OUT4 OUT2 2-way passive enclosure on speakON output - SP + SP-Y1 CH1 (OUT1) SP-Y1 CC4FP OUT1/OUT2 OUT3/OUT4 CH2 (OUT2) same as OUT3/OUT4 X8 user manual (EN) version 3.0...
  • Page 14 Connect the reversed subwoofer(s) to OUT 1 to use the cardioid preset. Subwoofer on speakON output - SP OUT1 OUT3 OUT4 OUT2 Subwoofer on speakON output - SP + SP-Y1 CH1 (OUT1) SP-Y1 CC4FP OUT3/OUT4 OUT1/OUT2 CH2 (OUT2) same as OUT1/OUT2 X8 user manual (EN) version 3.0...

  • Page 15: Connection To La8

    Make sure the total number of connected enclosures does not exceed the maximum number of enclosures per controller. LA8 can drive up to three X8 per output, but no more than eight per controller. LA8 can drive up to two SB15m per output, but no more than six per controller.
  • Page 16 Subwoofer on speakON output - SP + SP-Y1 CH1 (OUT1) SP-Y1 CC4FP OUT3/OUT4 OUT1/OUT2 CH2 (OUT2) same as OUT1/OUT2 Subwoofer on CA-COM output - DO + DOSUB-LA8 SP1 (OUT1) CA-COM SP2 (OUT2) SP3 (OUT3) SP4 (OUT4) X8 user manual (EN) version 3.0...

  • Page 17: Preset Description

    OUT 1 IN A 0 dB 0 ms OUT 2 IN A 0 dB 0 ms OUT 3 IN B 0 dB 0 ms OUT 4 IN B 0 dB 0 ms X8 user manual (EN) version 3.0...

  • Page 18: Recommendation For Speaker Cables

    4 Ω load 2.7 Ω load For your installation projects, you can use the more detailed L-ACOUSTICS calculation tool to evaluate cable length and gauge based on the type and number of enclosures connected. The calculation tool is available on our website: http://www.l-acoustics.com/installation-outils-de-calcul-137.html...

  • Page 19: Maintenance

    Maintenance Maintenance Disassembly and Reassembly 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 DIAPHRAGM G03174 COAXIAL SPEAKER G03170 X8 user manual (EN) version 3.0...

  • Page 20: D/R - Grill

    D/R - Grill Tools — torque screwdriver — T25 Torx bit Repair kit G03170 - KR coaxial speaker X8 or G03174 - KR diaphragm X8 ×4 S100033 M5x25 Torx For safety reasons, always use the new screws and spare parts provided in the KR.

  • Page 21: D/R - Coaxial Loudspeaker

    100604 S342 8" coaxial speaker - 8 ohms 8" speaker gasket M5x20 hex * The screws and gaskets are also available in G03174 - KR diaphragm X8 . Pre-requisite Grill disassembled. Grill (p.20). For safety reasons, always use the new screws and spare parts provided in the KR.

  • Page 22: D/R - Diaphragm

    Discard the paper disk to avoid parasitic vibrations. 6. Remove the cone. 7. Carefully remove the diaphragm holding it by the connectors. 8. If there are black spacers on the air gap, do not remove them. X8 user manual (EN) version 3.0...
  • Page 23 10. Secure the HF driver on the LF driver with the two screws. Use the 3 mm hex bit. Set the torque to 3 Nm. X8 user manual (EN) version 3.0...

  • Page 24: Troubleshooting

    Pay close attention to the number of shims and the position of the diaphragm. Apply the recommended torque. 4. Repeat the acoustical check. If a buzzing sound is still audible, it might be necessary to add an extra shim on the air gap. X8 user manual (EN) version 3.0...

  • Page 25: Illustrations

    8-point PA-COM loudspeaker cable (0.7 m / 2.3 ft) DO10 8-point PA-COM loudspeaker cable (10 m / 32.8 ft) DO25 8-point PA-COM loudspeaker cable (25 m / 82 ft) DOSUB-LA8 breakout cable for four passive enclosures SP-Y1 breakout cable for two passive enclosures X8 user manual (EN) version 3.0...

  • Page 26: SpeciCations

    Specications Specications X8 specications Description passive 2-way coaxial enclosure, amplied by LA4X / LA8 / LA12X Usable bandwidth (-10 dB) 60 Hz - 20 kHz ([X8]) Maximum SPL 127 dB ([X8]) Nominal directivity axisymmetric 100° Monitoring angle 35° Transducers LF: 1 × 8"...
  • Page 27 Specications X8 dimensions 264 mm / 10.4 in 250 mm / 9.8 in 306 mm / 12 in X8 user manual (EN) version 3.0...

  • Page 28: Sb15M SpeciCations

    Pantone 426C pure white RAL 9010 custom RAL code on special order Peak level measured at 1 m under half space conditions using 10 dB crest factor pink noise with specied preset. X8 user manual (EN) version 3.0...
  • Page 29 Specications SB15m dimensions 520 mm / 20.5 in 580 mm / 22.8 in X8 user manual (EN) version 3.0...
  • Page 30 L-Acoustics, an L-Group Company 13 rue Levacher Cintrat - 91460 Marcoussis - France +33 1 69 63 69 - 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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