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Loudspeaker configurations

9

X8 user manual (EN) version 2.0

Loudspeaker configurations

X8 point source

Deployed as a standalone point source, a 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 amplified controllers.

Standalone X8

Enclosure Preset

X8 [X8]

Frequency range (-10 dB) 60 Hz - 20 kHz

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Summary of Contents for X8

Page 1: ...X8 user manual 2 0 EN...

Page 2: ...al EN version 2 0 Distribution date November 23 2015 2015 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 w...

Page 3: ...ge monitor 11 X8 stage monitor with LF 12 X8 with SB15m 12 Loudspeaker connection 13 Connectors 13 Connection to LA4X 14 Using SP cables with passive enclosures 15 Using SP Y1 cables 16 Connection to...

Page 4: ...4 D R X8 DIAPHRAGM 28 Illustrations 31 Loudspeaker cables 31 X8 specifications 32...

Page 5: ...stand tripod bracket or table Read the RIGGING MANUAL before installing the system Use the rigging accessories described in the rigging manual and follow the associated procedures Do not expose the pr...

Page 6: ...esponse free of secondary lobes over the entire frequency range The internal passive crossover network uses custom filters The L Acoustics amplified controllers L Drive parameters ensure the lineariza...

Page 7: ...le for two passive enclosures 2 5 mm gauge provided with a CC4FP adapter 4 point speakON to 2 2 point speakON DO cables 8 point PA COM loudspeaker cables 4 mm gauge DO cables come in three sizes DO 7...

Page 8: ...ined with a subwoofer a custom preset must be used Directivity X8 features a coaxial transducer arrangement that generates an axisymmetric directivity pattern of 100 Frequency Hz Angle 100 1 000 10 00...

Page 9: ...a standalone point source a 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 dr...

Page 10: ...upper frequency limit at 100 Hz for an optimal frequency coupling with X8 The X8 and SB15m enclosures are driven by the LA4X LA8 amplified controllers X8 with SB15m With SB15m the X8 system contour is...

Page 11: ...age monitor an X8 system operates over the nominal bandwidth of the X8 enclosure The X8_MO preset allows for a reference frequency response in stage monitoring applications The X8 enclosure is driven...

Page 12: ...o 42 Hz 35 Enclosure Preset X8 X8_MO SB15m SB15_100 Frequency range 10 dB 42 Hz 20 kHz Enclosure ratio 1 X8 1 SB15m Delay values Do not forget to add the pre alignment and geometric delays depending o...

Page 13: ...n Connectors LINK IN X8 Internal pinout for L ACOUSTICS 2 way passive enclosures speakON points 1 1 2 2 Transducer connectors Not linked Not linked IN LINK SB15m Internal pinout for L ACOUSTICS subwoo...

Page 14: ...number of subwoofer enclosures per LA4X loudspeaker enclosure max number of connections per output max number of enclosures per controller SB15m 1 4 For passive loudspeakers the value corresponds to t...

Page 15: ...P25 to connect one enclosure to each of the four speakON connectors of the amplified controller If necessary use SP cables to connect identical enclosures in parallel with the first ones Refer to the...

Page 16: ...ified controller Use the CC4FP adapter of an SP Y1 cable to split the signal into two channels each feeding one enclosure If necessary use SP cables to connect identical enclosures in parallel with th...

Page 17: ...ber of subwoofer enclosures per LA8 loudspeaker enclosure max number of connections per output max number of enclosures per controller SB15m 2 8 For passive loudspeakers the value corresponds to the n...

Page 18: ...e the CC4FP adapter of an SP Y1 cable to split the signal into two channels each feeding one enclosure If necessary use SP cables to connect identical enclosures in parallel with the first ones Refer...

Page 19: ...tor of the amplified controller Use a DOSUB LA8 to split the signal into four channels each feeding one enclosure If necessary use SP cables to connect identical enclosures in parallel with the first...

Page 20: ...X8 OUT 4 PA IN B 0 dB 0 ms ON SB15_100 enclosure outputs channels routing gain delay polarity mute SB15m OUT 1 SB IN A 0 dB 0 ms ON SB15m OUT 2 SB IN A 0 dB 0 ms ON SB15m OUT 3 SB IN A 0 dB 0 ms ON S...

Page 21: ...le below provides the recommended maximum length for loudspeaker cables depending on the cable gauge and on the impedance load connected to the amplifier recommended maximum length cable gauge 8 load...

Page 22: ...ead cap screw 4 S100033 M5x25 Tuflok coated flat countersunk head machine screw 4 S342 M5x20 Tuflok coated hexagon socket head cap screw 4 G03174 KR diaphragm X8 17704 100604 S100033 S342 S182 code de...

Page 23: ...Maintenance 23 X8 user manual EN version 2 0 Disassembly and Reassembly procedures In order to operate follow the order outlined here START X8 GRILL X8 COAXIAL SPEAKER X8 DIAPHRAGM...

Page 24: ...ls Name Reference Distributor electric screwdriver with torque selector T25 Torx bit EX 625 FACOM Pre requisite The enclosure is placed on its bottom face X8 grill disassembly procedure Procedure 1 Re...

Page 25: ...dure Pre requisite For safety reasons always use the new screws and spare parts provided in the KR Procedure 1 Position the grill Make sure the logo is on the same side as the handle 2 Secure the gril...

Page 26: ...ue selector 4 mm hex bit EH 604 FACOM Pre requisite Grill disassembled See X8 GRILL p 24 The enclosure is placed on its bottom face X8 speaker disassembly procedure Procedure 1 Remove the screws secur...

Page 27: ...ews and spare parts provided in the KR Procedure 1 Stick the four gaskets to the cabinet Use the inserts as a reference to position the gaskets 2 Connect the speaker cables and position the speaker Th...

Page 28: ...r screws securing the cover and remove the cover Use the 3 mm hex bit 5 Pierce the label and carefully remove the center screw while holding the cone in place Use the 3 mm hex bit Discard the paper di...

Page 29: ...ver Use the 3 mm hex bit Set the torque to 1 7 Nm 7 While holding the cone in place tighten the center screw with the electric screwdriver Use the 3 mm hex bit Set the torque to 1 7 Nm 8 Place the gas...

Page 30: ...to set the sound level before testing 5 Send a test signal of 1 5 kHz at 1 Vrms for 5 seconds The sound should remain pure and free of unwanted noise Troubleshooting The sound resulting from the test...

Page 31: ...e 5 m 16 4 ft SP10 4 point SpeakON loudspeaker cable 10 m 32 8 ft SP25 4 point SpeakON loudspeaker cable 25 m 82 ft DO 7 8 point PA COM loudspeaker cable 0 7 m 2 3 ft DO10 8 point PA COM loudspeaker c...

Page 32: ...1 1 5 compression driver neodymium weather resistant conical waveguide Nominal impedance 8 Connectors IN speakON LINK speakON Rigging and handling 1 handle DIN580 compatible M8 threaded insert 4 M10 t...

Page 33: ...ser manual EN version 2 0 X8 dimensions On end H W D 424 mm 250 mm 264 mm 16 7 in 9 8 in 10 4 in Monitor H W D 278 mm 424 mm 306 mm 10 9 in 16 7 in 12 in 264 mm 10 4 in 250 mm 9 8 in 424 mm 16 7 in 30...

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