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KS28

user manual (EN)

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Summary of Contents for KS28

Page 1: ...KS28 user manual EN...

Page 2: ...anual EN version 3 0 Distribution date March 7 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 wr...

Page 3: ...on guration 8 KS28 in cardioid con guration 9 Loudspeaker connection 10 Connectors 10 Connection to LA12X 11 Preset description 13 Recommendation for speaker cables 14 Maintenance 15 Disassembly and R...

Page 4: ...use Read the RIGGING MANUAL before installing the system Use the rigging accessories described in the rigging manual and follow the associated procedures Read the maintenance section of this document...

Page 5: ...ing physical deployment and the suitable preset The KS28 is the rst L Acoustics enclosure to fully utilize the LA12X ampli ed controller power The LA12X ensures advanced crossover functions linearizat...

Page 6: ...ome in three sizes DO 7 0 7 m 2 3 ft DO10 10 m 32 8 ft and DO25 25 m 82 ft DOSUB LA8 breakout cable for four passive enclosures 4 mm gauge 8 point PA COM to 4 2 point speakON DO3WFILL breakout cable f...

Page 7: ...nts Loudspeaker cables 0 7 m 5 m 10 m 25 m CH 1 CH 2 1 m SP 7 SP5 SP10 SP25 SP Y1 0 7 m 10 m 25 m SPK1 SPK2 SPK3 SPK4 5 m DO 7 DO10 DO25 DOSUB LA8 2W CH A 2W CH B 3 5 m DOFILL LA8 7 KS28 user manual E...

Page 8: ...ystem The KS28 subwoofers can only be driven by the LA12X ampli ed controller vertical on end block stacked upright horizontal Preset KS28_60 KS28_100 Low frequency limit 10 dB 25 Hz Delay values When...

Page 9: ...the acoustic coupling with a main full range system The KS28 subwoofers can only be driven by the LA12X ampli ed controller vertical on end block stacked upright Preset KS28_60_C KS28_100_C Low freque...

Page 10: ...nstructions before use Made in France European Community SAFE USE 16 KS28 FOROTHERCONFIGURATIONS CHECKMECHANICAL SAFETYWITHSOUNDVISIONSOFTWARE USEONLYWITHL ACOUSTICSAMPLIFIEDCONTROLLERS KS28 Weight 79...

Page 11: ...enclosures per controller KS28 1 4 Impedance load KS28 1 enclosure 4 Connecting subwoofers SP and SP Y1 on speakON output OUT1 OUT2 OUT3 OUT4 same as OUT1 OUT2 SP SP Y1 CC4FP CH 1 OUT1 CH 2 OUT2 DO an...

Page 12: ...Loudspeaker connection Connecting a 2 way active enclosure with subwoofers DO and DO3WFILL on CA COM output CA COM DO DO3WFILL 2WAY OUT3 4 SUB1 OUT1 SUB2 OUT2 SP KS28 user manual EN version 3 0 12...

Page 13: ...T 1 SB IN A 0 dB 0 ms ON OUT 2 SB IN A 0 dB 0 ms ON OUT 3 SB IN A 0 dB 0 ms ON OUT 4 SB IN A 0 dB 0 ms ON KS28_60_C KS28_100_C loudspeaker elements outputs channels routing gain delay polarity mute SR...

Page 14: ...maximum length for loudspeaker cables depending on the cable gauge and on the impedance load connected to the ampli er recommended maximum length cable gauge 8 load 4 load 2 7 load mm 2 SWG AWG m ft...

Page 15: ...Maintenance Maintenance Disassembly and Reassembly procedures In order to operate follow the order outlined here GRILL KR SECUGRL LF LOUDSPEAKER G03229 15 KS28 user manual EN version 3 0...

Page 16: ...screwdriver 5 mm hex bit screwdriver extension 100226 provided in KR SECUGRL Disassembly 1 Loosen the captive grill screw 5 mm 2 Slide the grill to remove it If necessary pull down the safety O ring...

Page 17: ...Maintenance Reassembly 1 Position the grill starting with the top 2 With the 100226 stretch the O ring and pull it above the captive screw 17 KS28 user manual EN version 3 0...

Page 18: ...Maintenance 3 Secure the grill with the captive screw 3 N m 5 mm KS28 user manual EN version 3 0 18...

Page 19: ...hex 18 speaker gasket Pre requisite Grill disassembled See Grill p 16 For safety reasons always use the new screws and spare parts provided in the KR If no new screws are available use blue threadlock...

Page 20: ...Connection Use only 10 m 30 ft 4 mm AWG 11 speaker cables Do not connect enclosures in parallel Ampli ed controllers Load a preset corresponding to the connected loudspeaker s family Presets from the...

Page 21: ...2 inspect the cables and connections 3 go to step 8 p 21 8 Under NC NOK and UNDEF results press and hold the corresponding OUT key The ampli ed controller displays the tested frequencies information...

Page 22: ...r reassembly are too loose There is an air leak in the gasket There is dust on the cone The cone is damaged The voice coil and or the spider is damaged Procedure 1 Perform the loudspeaker disassembly...

Page 23: ...Connectors 4 point speakON Rigging and handling ush tting 2 point rigging system 6 ergonomic handles 2 ground runners 8 side runners Weight net 79 kg 174 lb Cabinet rst grade Baltic beech and birch pl...

Page 24: ...KS28 speci cations KS28 dimensions 1340 mm 52 8 in 1351 mm 53 2 in 719 mm 28 3 in 550 mm 21 7 in 565 mm 22 2 in 702 mm 27 6 in KS28 user manual EN version 3 0 24...

Page 25: ...m www l acoustics com L Acoustics GmbH Steierm rker 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 44 722...

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