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- User Manual
L-Acoustics LA8 User Manual
Summary of LA8
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L l l la8 a8 a8 a8 a a a amplified controller mplified controller mplified controller mplified controller user manual user manual user manual user manual version version version version 4 4 4 4....0 0 0 0 w w w . L - a c o u s t i c s . C o m.
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W w w . L - a c o u s t i c s . C o m la4 la4 la4 la4 controleur amplifie controleur amplifie controleur amplifie controleur amplifie.
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 1 1 1 1 1 1 1 1 safety warnings safety warnings safety warnings safety warnings all information hereafter detailed applies to the l-acoustics ® la8 amplified controller, designated in this section as ‘‘the product’’. Where necessary, a distinction ...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 2 2 2 2 1.2 important safety instructions 1. Read this manual 2. Heed all safety warn...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 3 3 3 3 13. Plug replacement if the ac plug on the power supply cord of this product does not match the local outlet, it must be replaced by an appropriate one. This operation should only be performed by qualified service personnel. Make sure the c...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 4 4 4 4 24. Conditions which require immediate service refer all servicing to qualifi...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 5 5 5 5 1.3 ec declaration of conformity l-acoustics ® 13 rue levacher cintrat parc de la fontaine de jouvence 91462 marcoussis cedex france states that the following product: amplified controller, la8 is in conformity with the provisions of: low v...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 6 6 6 6 2 2 2 2 contents contents contents contents 1 safety warnings 1 1.1 symbol de...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 7 7 7 7 7 operation 25 7.1 on/off switch ........................................................................................................................................................ 25 7.2 display ..........................................
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 8 8 8 8 3 3 3 3 introduction introduction introduction introduction 3.1 welcome to l-...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 9 9 9 9 3.3 cross-references all along the manual, a bracketed number refers to a section. For example, [3.3] stands for the present section: cross- references. 3.4 web links please check the l-acoustics ® web site on a regular basis for latest doc...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 10 10 10 10 4 4 4 4 complete complete complete complete system approach system approa...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 11 11 11 11 figure 2: main system components related to the la8 la network manager soundvision la-rak v-dosc kudo k1 k1-sb arcs sb18 sb28 dv-sub sb18i dv-dosc kara karai 115xt hiq 12xt 12xti 8xt 8xti kiva kilo.
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 12 12 12 12 5 5 5 5 la8 amplified controller la8 amplified controller la8 amplified c...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 13 13 13 13 5.1.2 simplified block diagram the core of the la8 is a dsp engine driving four channels of amplification. The la8 also features two analog or digital inputs, a flash memory for preset storage and management, high performance a/d-d/a co...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 14 14 14 14 5.2.2 aes/ebu digital input the la8 can be fed with one aes/ebu digital a...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 15 15 15 15 figure 5: dsp architecture 5.2.4 amplifier section the la8 amplifier section uses a class d technology supporting the wide dynamic range encountered in live audio productions. The 4 channels can deliver up to 4 x 1800 watts into 4 ohms ...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 16 16 16 16 5.3 monitoring and control 5.3.1 user interface led display allows real t...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 17 17 17 17 6 6 6 6 installation installation installation installation 6.1 mounting the la8 is two rack units high (2u) and can be mounted in an eia-standard 19’’ rack (figure 6). Four mount points are provided on the controller front panel for ra...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 18 18 18 18 6.2 cooling the amplified controller uses a forced air cooling system to ...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 19 19 19 19 6.3.5 power plug and wiring • the la8 amplified controller is supplied with a cee 7/7 power plug (16 a/250 v grounded). • the la8us amplified controller is supplied with a nema l5-30p power plug (30 a/125 v grounded). • the la8jp amplif...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 20 20 20 20 6.4 audio and network cabling 6.4.1 connection panels the amplified contr...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 21 21 21 21 figure 10: analog input panel wiring symmetrical (balanced) shielded cables are highly recommended as balanced signals are less sensitive to ac hum and radio interference. Unbalanced lines may result in noise especially over long cable ...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 22 22 22 22 figure 11: daisy-chaining digital audio figure 12: digital input panel wi...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 23 23 23 23 6.4.4 loudspeaker cabling enclosures can be cabled with the controller via two 4-point speakon ® connectors, each of them delivering two channels, or one 8-point ca-com ® connector, delivering the four channels. The speakon ® connectors...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 24 24 24 24 6.4.5 l-net network cabling the la8 can be connected to a network of seve...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 25 25 25 25 7 7 7 7 operation operation operation operation 7.1 on/off switch when switched on (figure 14), the controller goes through a 25-second start-up sequence, displaying an empty screen followed by the messages below. The controller is read...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 26 26 26 26 7.2 display 7.2.1 main screen once the la8 start-up sequence has fully cy...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 27 27 27 27 4. Last number in the ip address (1 to 253) the last number in the ip address identifies the current controller within a network of multiple la4 and/or la8 units. Ip address description and setting are detailed in the options menu [7.9]...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 28 28 28 28 7.3 user interface 7.3.1 quick access the la8 offers 3 quick access contr...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 29 29 29 29 notes: quick access gain function is only available from the main screen. Depending on the selected factory preset the output gain might be locked by l-acoustics ® . In that case the lcd displays a cross (x) instead of a numeric value. ...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 30 30 30 30 7.3.2 main menu the main menu gives access to 6 pages that are briefly de...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 31 31 31 31 7.4 load preset this load preset menu is for loading a preset from the 99 onboard memory locations: 11 to 99: allocated memory locations for l-acoustics ® factory presets. 1 to 10: allocated memory locations for user presets (initialize...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 32 32 32 32 7.5 store preset the store preset menu is for storing a preset (including...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 33 33 33 33 7.6 delete preset the delete preset menu is for deleting a preset from a user memory location (1-10). If no user presets are stored the no preset present message is displayed and the delete preset function is not accessible (press the e...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 34 34 34 34 7.7 preset parameters the preset parameters menu is for setting the prese...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 35 35 35 35 7.8 clear group parameters the clear grp param function is for resetting to their nominal values all group parameters such as name, gain, delay, and contour eq defined in la network manager software (refer to the la network manager user...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 36 36 36 36 7.9 options by selecting the options menu and rotating the encoder wheel ...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 37 37 37 37 7.9.1 network address control it is possible to connect up to 253 la4 and la8 amplified controllers in multiple network topologies via the proprietary l-net network. Each controller has to be identified within the network by its ip addr...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 38 38 38 38 the lock status is obtained under the following conditions: a digital aud...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 39 39 39 39 7.9.3 fallback mode control this control page is for enabling or disabling the automatic fallback option. When enabled, and when the aes/ebu input mode is selected, this option prevents sound cut in case of digital signal failure (no cl...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 40 40 40 40 7.9.4 aes/ebu in gain control this control page is for setting the la-aes...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 41 41 41 41 7.9.8 screen contrast control the screen contrast control page is for setting the lcd screen contrast. Modify this setting by applying the following procedure: 1. Select the screen contrast control page by rotating the encoder wheel and...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 42 42 42 42 8 8 8 8 care and maintenance care and maintenance care and maintenance ca...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 43 43 43 43 8.2 authorized service procedure 8.2.1 replacement kits the replacement kits (kr) available for the customer are shown in figure 37 and listed in table 7 with reference to the corresponding service procedure. * service and repair work f...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 44 44 44 44 8.3 troubleshooting this section provides flowcharts to assist the user f...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 45 45 45 45 refer to the malfunction message flowchart below for eventual troubleshooting operations: no switch the amplified controller off and on. If the problem persists, install the latest firmware version [8.1]. Waiting smps message? Malfuncti...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 46 46 46 46 8.3.2 no power, no sound, or sound level too low lcd screen lit? Main scr...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 47 47 47 47 8.3.3 no digital input signal aes/ebu functionalities available? [7.9.3-7.9.4] aes/ebu lock message displayed? [7.9.2] install the latest firmware version [8.1] latest firmware version installed? [7.9.10] no digtal input signal presence...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 48 48 48 48 8.3.4 unexpected sound quality 8.3.5 overheating unexpected sound quality...
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La8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 49 49 49 49 9 9 9 9 specifications specifications specifications specifications general dimensions (w x h x d) 483 x 88,1 (2u) x 428 mm 19 x 3.5 (2u) x 16.8 inch weight 12.7 kg / 27.9 lbs finish black and anthracite gray output power eia (1% thd, 1...
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La la la la8 8 8 8 amplified controller amplified controller amplified controller amplified controller user manual user manual user manual user manual version 4.0 la8_um_en_4-0 w w w . L - a c o u s t i c s . C o m 50 50 50 50 10 10 10 10 appendix: protection systems appendix: protection systems app...
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W w w . L - a c o u s t i c s . C o m.
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W w w . L - a c o u s t i c s . C o m la4 la4 la4 la4 controleur amplifie controleur amplifie controleur amplifie controleur amplifie.
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W w w . L - a c o u s t i c s . C o m.
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Document reference: la8_um_en_4-0 distribution date: april 29 th , 2011 © 2011 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. P ri n te d o n r e cy cl e d p a p e r.