L-Acoustics X12 User Manual
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L-Acoustics X12 User Manual

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Summary of Contents for L-Acoustics X12

  • Page 1 user manual (EN)
  • Page 2 Document reference: X12 user manual (EN) version 4.0 Distribution date: March 8, 2017 © 2017 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

    X12 point source...........................11 X12 point source with LF.........................12 X12 with SB15m...........................12 X12 with SB18..........................13 X12 stage monitor..........................14 X12 stage monitor with LF........................15 X12 with SB15m...........................15 X12 with SB18..........................16 Loudspeaker connection............................ 17 Connectors............................. 17 Connection to LA4X..........................18 Connection to LA8..........................
  • Page 4 Specications..............................29 X12 specications........................... 29 SB15m specications..........................31 SB18 specications..........................33...

  • Page 5: 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 6: Welcome

    With a cabinet combining the properties of birch and beech plywood, X12 weighs 20 kg and its elegance makes for an easy integration in any situation. Ergonomic handles provide a solid grip and efcient handling. An optional white or RAL color program means that it can melt into any architecture.

  • Page 7: 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 X12 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 8: Loudspeaker Cables

    0.7 m / 5 m / 10 m / 25 m CH(1) CH(2) SP.7 / SP5 / SP10 / SP25 SP-Y1 SPK1 SPK2 0.7 m / 10 m / 25 m SPK3 SPK4 DO.7 / DO10 / DO25 DOSUB-LA8 X12 user manual (EN) version 4.0...

  • Page 9: Technical Description

    −40 −60 −80 −100 −120 −140 −160 −180 1 000 10 000 Frequency (Hz) Dispersion angle diagram of a single X12 using lines of equal sound pressure at -3 dB, -6 dB, -12 dB. X12 user manual (EN) version 4.0...

  • Page 10: Monitor Angles

    Technical description Monitor angles X12 features risers that allow to change the monitor angle from 35° to 55°. 55° 35° X12 user manual (EN) version 4.0...

  • Page 11: Loudspeaker ConGurations

    Loudspeaker congurations X12 point source Deployed as a standalone point source, an X12 system 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 amplied controllers.

  • Page 12: X12 Point Source With Lf

    The X12, SB15m and SB18 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 system bandwidth is extended down to 40 Hz.

  • Page 13: X12 With Sb18

    Loudspeaker congurations X12 with SB18 With SB18, the X12 system contour is reinforced by 8 dB at 100 Hz, and the system bandwidth is extended down to 32 Hz. Enclosure X12 SB18 Preset [X12] [SB18_100] Frequency range (-10 dB) 32 Hz - 20 kHz...

  • Page 14: X12 Stage Monitor

    LFC allows to adjust the frequency response curve to obtain the desired low frequency contour. For paired X12 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 15: X12 Stage Monitor With Lf

    The X12, SB15m and SB18 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 system bandwidth is extended down to 40 Hz.

  • Page 16: X12 With Sb18

    Loudspeaker congurations X12 with SB18 With SB18, the X12 system contour is reinforced by 8 dB at 100 Hz, and the system bandwidth is extended down to 32 Hz. 55° 35° Enclosure X12 SB18 Preset [X12_MO] [SB18_100] Frequency range (-10 dB) 32 Hz - 20 kHz...

  • Page 17: Loudspeaker Connection

    Loudspeaker connection Loudspeaker connection Connectors The X12 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 18: Connection To La4X

    1 enclosure: 8 Ω Connecting 2-way passive enclosures or subwoofers SP on speakON output OUT1 OUT3 OUT4 OUT2 SP and SP-Y1 on speakON output CH(1) (OUT1) SP-Y1 CC4FP OUT1/OUT2 OUT3/OUT4 CH(2) (OUT2) same as OUT1/OUT2 X12 user manual (EN) version 4.0...

  • Page 19: Connection To La8

    2 enclosures in parallel: 4 Ω 3 enclosures in parallel: 2.7 Ω Connecting 2-way passive enclosures or subwoofers SP and SP-Y1 on speakON output CH(1) (OUT1) SP-Y1 CC4FP CH(2) (OUT2) OUT3/OUT4 OUT1/OUT2 same as OUT1/OUT2 X12 user manual (EN) version 4.0...
  • Page 20 Loudspeaker connection DO and DOSUB-LA8 on CA-COM output SPK1 (OUT1) CA-COM SPK2 (OUT2) SPK3 (OUT3) SPK4 (OUT4) X12 user manual (EN) version 4.0...

  • Page 21: Preset Description

    0 ms OUT 4 IN A 0 dB 0 ms [SB18_100_C] [SB15_100_C] loudspeaker elements outputs channels routing gain delay polarity mute OUT 1 IN A 0 dB 0 ms OUT 2 OUT 3 OUT 4 X12 user manual (EN) version 4.0...

  • Page 22: 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 23: 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 G03175 COAXIAL SPEAKER G03169 X12 user manual (EN) version 4.0...

  • Page 24: D/R - X12 Grill

    Maintenance D/R - X12 GRILL How to remove and reassemble the X12 grill. Tools — torque screwdriver — T25 Torx bit Repair kit G03169 - KR coaxial speaker X12 or G03175 - KR diaphragm X12 ×6 S100033 M5x25 Torx For safety reasons, always use the new screws and spare parts provided in the KR.

  • Page 25: D/R - X12 Coaxial Loudspeaker

    12" coaxial speaker - 8 M6x30 hex X12 grill stop screw 12" speaker gasket ohms The screws and gaskets are also available in G03175 - KR diaphragm X12 . Pre-requisite Grill disassembled. X12 GRILL (p.24). For safety reasons, always use the new screws and spare parts provided in the KR.

  • Page 26: D/R - X12 Diaphragm

    Maintenance D/R - X12 DIAPHRAGM How to remove and replace the X12 speaker diaphragm. Tools — torque screwdriver — 3 mm Allen wrench — 3 mm hex bit — blower Consumables — double face adhesive tape Repair kit G03175 KR diaphragm X12 ×1...
  • Page 27 Gradually secure each screw manually with the 3 mm Allen wrench. Follow a cross scheme. b) Tighten the screws in the same order with the electric screwdriver. Use the 3 mm hex bit. Set the torque to 3.5 Nm. X12 user manual (EN) version 4.0...

  • Page 28: 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. X12 user manual (EN) version 4.0...

  • Page 29: SpeciCations

    Specications Specications X12 specications Description passive 2-way coaxial enclosure, amplied by LA4X / LA8 / LA12X Usable bandwidth (-10 dB) 59 Hz - 20 kHz ([X12]) Maximum SPL 136 dB ([X12]) Nominal directivity vertical: 90° horizontal: 60° Monitoring angle without risers: 35°...
  • Page 30 Specications X12 dimensions 430 mm / 16.9 in 375 mm / 14.8 in 471 mm / 18.5 in 500 mm / 19.7 in X12 user manual (EN) version 4.0...

  • Page 31: Sb15M SpeciCations

    Pantone 426C pure white RAL 9010 custom RAL code on special order Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specied in brackets). X12 user manual (EN) version 4.0...
  • Page 32 Specications SB15m dimensions 520 mm / 20.5 in 580 mm / 22.8 in X12 user manual (EN) version 4.0...

  • Page 33: Sb18 SpeciCations

    3D fabric Rigging components steel with anti-corrosion coating Finish dark grey brown Pantone 426C IP45 Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specied in brackets). X12 user manual (EN) version 4.0...
  • Page 34 Specications SB18 dimensions 707 mm / 27.8 in 750 mm / 29.5 in X12 user manual (EN) version 4.0...
  • Page 35 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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