L-Acoustics LA-RAK II, User Manual

Page 1: ...LA RAK II user manual EN ...

Page 2: ...r manual EN version 2 0 Distribution date March 24 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 publisher ...

Page 3: ...onnecting to AC mains 16 EU mode 16 US mode 17 Powering the ampli ed controllers 18 Analog audio cabling 19 Internal analog audio cabling 19 External analog audio cabling 21 Digital audio cabling 22 Internal digital audio cabling 22 External digital audio cabling 24 Loudspeaker cabling 26 L NET cabling 27 Internal L NET cabling 27 External L NET cabling 28 Maintenance 31 Quality control 31 INSP St...

Page 4: ...LA PANEL II speci cations 36 LA POWER II speci cations 37 Approvals 38 4 ...

Page 5: ...If the provided plug does not t into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories speci ed by the manufacturer 12 Use only with the cart stand tripod bracket or table speci ed by the...

Page 6: ...e product is turned off before powering on the generator Terminals marked with the lightning ash symbol are HAZARDOUS LIVE The external wiring connected to these terminals requires installation by an instructed person or the use of ready made leads or cords Never attempt to touch any exposed speaker wiring while the product is operating rst disconnect the connector from the product Mute all output...

Page 7: ...ccur Read the maintenance section of this document before servicing the product Shipping Use the original packaging for shipping the product Symbols The following symbols are used in this document This symbol indicates a potential risk of harm to an individual or damage to the product It can also notify the user about instructions that must be strictly followed to ensure safe installation or opera...

Page 8: ...its document without prior notice Please check www l acoustics com on a regular basis to download the latest document and software updates LA RAK II touring rack LA RAK II offers worldwide compatibility in one sole model a universal system that can be used around the globe thanks to the three LA12X ampli ed controllers included and LA POWER II compatible with 115V and 230V power distibutions LA RA...

Page 9: ...rk distribution Loudspeaker cables Refer to the user manuals of the loudspeaker systems for detailed instructions about the enclosures and their connection to the ampli ed controllers Rigging elements Rigging elements or procedures are not presented in this document Refer to the LA RAK II rigging manual Software applications Soundvision 3D acoustical and mechanical modeling software LA Network Man...

Page 10: ...ed by an external aluminum frame sided with highly resistant polyethylene panels Two storable LEXAN doors protect the internal components during transport On the rear face two hinge mounted panels cover and protect the analog digital and network connectors of the ampli ed controllers The CA COM and speakON sockets remains accessible for loudspeaker cabling The RK9U is equipped with a detachable tr...

Page 11: ... LED 2 LED meters 10 powerCON power supply connector 32 A LIMIT CLIP level 11 outward ventilation grills audio levels 5 dB 10 dB and 20 dB 12 speakON output connectors SIGNAL presence 13 XLR analog and AES EBU input connectors LOAD presence 14 XLR analog and AES EBU link connectors 3 L NET network control LED 15 1 Gb s etherCON L NET network connectors 4 2 x 24 characters LCD display 16 CA COM out...

Page 12: ...wo IEC are available to power auxiliary accessories such as Ethernet switches and laptop The auxiliary circuit is protected by a circuit breaker Refer to section Powering auxiliary devices p 18 before use Three dual LEDs help monitor phase presence independently from the mains switch position their left sides indicate phase presence at the US IN connector and their right sides indicate phase prese...

Page 13: ...CA COM connector and the three link XLR connectors can send the signals to another LA RAK II in a daisy chain layout LA PANEL II is equipped with 2 etherCON and 2 RJ45 I O sockets for L NET control and monitoring network Accessories include four XLR cables two analog two digital to connect LINK and IN connectors on the front of the panel and set a daisy chain between controllers within the LA RAK ...

Page 14: ...viding front to rear air ow Before operation ensure that the front lter system of each LA12X is clean and dust free Refer to the LA12X user manual While operating keep the LEXAN front and rear doors stored and do not block the LA12X front and rear air vents Storing the LEXAN doors Procedure 1 Pull on the handles to detach both doors 2 Facing the LA RAK II slide the doors along the sides between th...

Page 15: ...ball locking pins through each door s safety hole to secure the doors Safety pin Make sure the doors are inserted all the way before securing the pin The safety hole must be inside the inner frame 15 LA RAK II user manual EN version 2 0 ...

Page 16: ...V 32 A three phase AC mains using the male input socket IEC 60309 3P N G A second LA RAK II can be plugged in the female link socket to be powered in parallel Do not power LA RAK II racks in parallel on mains ratings other than 230 V 10 Do not use the female link socket on other ratings The EU MODE sockets are not powered when the switch is positioned on US MODE NEMA L21 30P 120 208 V Do not power...

Page 17: ...et L 21 30P 3P N G Do not power more than one LA RAK II from the same AC mains outlet The EU MODE sockets are not powered when the switch is positioned on US MODE NEMA L21 30P 120 208 V Connecting a rack to AC mains in US mode 120 V 30 A Place socket covers on unused sockets 17 LA RAK II user manual EN version 2 0 ...

Page 18: ...ections check that the mains switch position corresponds to the currently used 3 phase socket EU or US Powering auxiliary devices LA POWER II also includes an auxiliary circuit protected by the AUX L3 10 A circuit breaker shunted from phase 3 This circuit powers one Schuko socket only powered in EU MODE and one NEMA 5 15 socket only powered in US MODE on the front face and two IEC 60320 1 type C13...

Page 19: ...nalog connectors on the rear panels of LA12X and LA PANEL II Several internal audio cabling schemes are possible Two are shown in this manual Cabling scheme A One audio signal is routed from channel 1 to the analog IN A on the rst ampli er LINK A IN A cabling is then used to cascade all three LA12X Only the A channel is physically linked on each LA12X and only the A channel can further be routed t...

Page 20: ...n Cabling scheme B Six audio signals respectively routed from channels 1 6 to the six controller analog inputs In this case only the IN connectors are used on the ampli ers LA RAK II user manual EN version 2 0 20 ...

Page 21: ...ls can be routed from an analog audio source mixing console or EQ device to the 19 point CA COM INPUT connector on the LA PANEL II of a rst LA RAK II An LA RAK II daisy chain layout can then be set up by cabling the LINK connector of the LA PANEL II with the INPUT connector located on the LA PANEL II of another LA RAK II The six analog audio signals can also be routed from the last LA RAK II to ot...

Page 22: ...emale PA COM with ring 19 point female PA COM with ring 2 6 5 DOM30 19 point female PA COM with ring 19 point female PA COM with ring 30 100 DOM45 19 point female PA COM with ring 19 point female PA COM with ring 45 150 DOMP 2 19 point male PA COM 19 point male PA COM 0 5 1 5 Digital audio cabling With digital audio internal cabling uses a constant scheme As digital audio requires an active refres...

Page 23: ...S EBU IN connectors on the LA12X ampli ed controllers using the appropriate IN XLR cable The AES EBU LINK connectors on the LA12X ampli ed controllers are cabled to the LINK connectors of the LA PANEL II using the appropriate LINK XLR cable 23 LA RAK II user manual EN version 2 0 ...

Page 24: ...o the LA PANEL II through three XLR cables each one conveying two channels Each pair of signals can be routed in a daisy chain layout by cabling the corresponding LINK connector of the LA PANEL II to another IN connector of the same LA PANEL II for internal daisy chaining or to an IN connector of another LA PANEL II for external daisy chaining It allows modular routing layouts External audio cabli...

Page 25: ...for balanced analog audio prove to be acceptable at 48 kHz sampling rate over short distances It is recommended to use single cuts of cable between AES EBU outputs and inputs Using several pieces reduces performances If it is not possible to use single cuts it is required to use the same model of cable between two AES EBU interfaces In case of transmission losses try to reduce the sampling frequen...

Page 26: ...nnection panel of each LA12X For each ampli er this panel features one CA COM connector and two speakON connectors Refer to the system user manual and the LA12X user manual before connecting an enclosure to LA RAK II Loudspeaker connectors speakON CA COM LA RAK II user manual EN version 2 0 26 ...

Page 27: ...ctions Refer to the LA Network Manager video tutorial for detailed operating instructions LA PANEL II is equipped with four RJ45 sockets and four CAT5e U FTP cables Internal L NET cabling LA PANEL II rear side features two etherCON sockets for internal L NET network connection to all three LA12X L NET connectors on rear panels of LA12X and LA PANEL II There are two potential cabling schemes Cablin...

Page 28: ...nt side features two etherCON I O sockets for external L NET network cabling L NET connectors on front panel of LA PANEL II A maximum of 253 LA12X can be interconnected within the same network 84 LA RAK II 1 LA12X To set up an L NET network with several LA RAK II three cabling schemes can be used daisy chain star or hybrid LA RAK II user manual EN version 2 0 28 ...

Page 29: ...p by linking the OUT connector of each LA RAK II to the IN connector of the following LA RAK II in the chain LA NWM2 Star topology The computer driving LA Network Manager is connected to a switch not provided which is directly linked to each of the LA RAK II through their IN connector LA NWM2 ethernet switch 29 LA RAK II user manual EN version 2 0 ...

Page 30: ...star topology is used to distribute the network to several LA RAK II and the daisy chain topology is used to serially cable other LA RAK II with each of the rst LA RAK II LA NWM2 ethernet switch LA RAK II user manual EN version 2 0 30 ...

Page 31: ...rs b the RK9U rigging rails ball locking pins rear panels and the doors c the dolly board and coupling bars with spring loaded safety CHK Internal components Procedure 1 Check the LA12X as described in the maintenance section of the LA12X user manual 2 Check the contact quality and locking action of all the LA PANEL II sockets CA COM XLR3 and etherCON 3 Check the contact quality of all the LA POWE...

Page 32: ...parts Procedure Risk of damaging the ampli ed controller during transport During transport or while on tour it is essential that the ampli ed controller is rear supported in addition to the front panel mounting Use the rear rack support brackets provided with the controller Any mechanical damage to the controller used in portable applications without rear support will not be covered by warranty 1 ...

Page 33: ...ur S265 four FT777 and four S100094 x4 3 N m T30 2 Mount LA PANEL II and the two 1U blank panels to the front face of the rack There is a 3U plate on the inner frame behind the LA PANEL II and the two 1U blank panels Use four S265 four FT777 and four S100094 for each panel x12 3 N m T30 33 LA RAK II user manual EN version 2 0 ...

Page 34: ...Maintenance 3 Mount LA POWER II to the rear face of the rack Use four S265 four FT777 and four S100094 x4 3 N m T30 LA RAK II user manual EN version 2 0 34 ...

Page 35: ...A12X and LA POWER II 96 5 kg 212 8 lb dolly board 13 5 kg 29 8 lb 2 x coupling bars 1 5 kg 3 3 lb materials external structure polyethylene aluminium and steel doors LEXAN polycarbonate rigging components polyester coated steel handles integrated into the cabinet nish black Lexan is a trademark of SABIC Innovative Plastics IP BV dimensions 580 mm 22 8 in 609 mm 24 in 662 mm 26 1 in 513 mm 20 2 in ...

Page 36: ...ft 2 x CAT5e U FTP labeled bridge cables 0 25 m 0 82 ft front connectors analog input link 2 x 19 point CA COM AES EBU input link 3 x female Neutrik XLR3 IN 3 x male Neutrik XLR3 LINK network 2 x etherCON L NET IN OUT Neutrik etherCON and powerCON are registered trademarks of Neutrik AG CA COM is a trademark of ITT Cannon rear connectors network 2 x RJ45 L NET AES EBU input link 3 x female Neutrik...

Page 37: ...r LA12X 3 x power cords tted with 32 A Neutrik powerCON connectors AMP 1 L1 AMP 2 L2 AMP 3 L3 AC input selector switch switch between EU MODE and US MODE Do not switch between modes when connected to power supply AC auxiliary output 2 x IEC 60320 1 type C13 female outlets AUX L3 storage and operating conditions storage temperature 5 C 23 F to 70 C 158 F operating temperature 0 C 32 F to 50 C 122 F...

Page 38: ...Approvals Approvals LA RAK II user manual EN version 2 0 38 ...

Page 39: ...Approvals 39 LA RAK II user manual EN version 2 0 ...

Page 40: ...om www l acoustics com L Acoustics GmbH Steiermärker Str 3 5 70469 Stuttgart Germany 49 7 11 89660 323 L Acoustics Ltd PO Box Adler Shine Aston House Cornwall Avenue London N3 1LF United Kingdom 44 7224 11 234 L Acoustics Inc 2645 Townsgate Road Suite 600 Westlake Village CA 91361 USA 1 805 604 0577 www l group com ...