L-Acoustics K2 User Manual Download

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Document reference: K2/KS28 user manual (EN) version 3.0
Distribution date: March 7, 2017

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Summary of Contents for K2

Page 1: ...K2 KS28 user manual EN...

Page 2: ...manual 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 w...

Page 3: ...Loudspeaker con gurations 10 Line source 10 Additional subwoofer system 12 K1 SB 12 KS28 16 Loudspeaker connection 18 Connectors 18 Connection to LA4X 19 Connection to LA12X 19 Preset description 21 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: ...ack panels combined to die cast aluminum side panels to ensure maximum acoustical and mechanical integrity while reducing weight to the minimum A four point rigging system is integrated into the cabin...

Page 6: ...th a CC4FP adapter 4 point speakON to 2 2 point speakON DO 8 point PA COM loudspeaker cables 4 mm gauge DO cables come 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...

Page 7: ...System components 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 7 K2 KS28 user manual EN version 3 0...

Page 8: ...g the adjustable ns horizontal directivity can be adjusted with four different settings 110 70 symmetric or 90 asymmetric 35 55 or 55 35 A speci c K2 preset must be used for each directivity setting W...

Page 9: ...the K1SB_X K2 preset with K2 As a subwoofer for increased impact using the K1SB_60 preset Both applications of K1 SB can be combined in the same con guration K1 SB as an LF extension in a line source...

Page 10: ...ations Each preset is dedicated to a horizontal directivity setting By providing the K1 SB with the same frequency response as the K2 low section the K1SB_X K2 preset allows the K1 SB enclosure to be...

Page 11: ...re K2 K1 SB Preset K2 70 K2 90 K2 110 K1SB_X K2 Frequency range 10 dB 35 Hz 20 kHz Recommended ratio 3 K2 1 K1 SB Minimum line length 12 K2 4 K1 SB When using K2 with K1SB_X K2 do not add any delay va...

Page 12: ...The K1SB_60 and KS28_60 presets provide the subwoofers with an upper frequency limit at 60 Hz for an optimal frequency coupling with the line source The K1 SB and KS28 subwoofer enclosures are driven...

Page 13: ...70 K2 90 K2 110 K1SB_60 Frequency range 10 dB 30 Hz 20 kHz Recommended ratio 3 K2 2 subwoofers Maximum number line length 12 K2 4 K1 SB Delay values Do not forget to add the pre alignment and geometri...

Page 14: ...ange 10 dB 30 Hz 20 kHz Recommended ratio 3 K2 2 subwoofers Recommended spacing between side panels Between 0 5 m 1 5 ft and 1 m 3 ft Delay values Do not forget to add the pre alignment and geometric...

Page 15: ...ratio 3 K2 2 subwoofers Recommended spacing between front faces Between 1 5 m 5 ft and 2 m 7 ft Delay values Do not forget to add the pre alignment and geometric delays depending on the con guration W...

Page 16: ...K2 2 subwoofers Grouping subwoofers Place the subwoofer enclosures side by side If not possible the maximum distance between two adjacent acoustic centers must be 2 8 m or 1 7 m if the upper frequency...

Page 17: ...n using K2 with K1SB_X K2 do not add any delay value between the K2 and K1 SB elements of a same line source Pre alignment delays K2 KS28_60 K2 0 ms KS28 6 ms K2 KS28_60_C K2 0 ms KS28 0 5 ms K2 K1SB_...

Page 18: ...eakON connector K1 SB IN KS28 is equipped with one 4 point speakON connector KS28 IN 1k IN k 1 IN Znom 4 Read manual and safety instructions before use Made in France European Community SAFE USE 16 KS...

Page 19: ...kON to PA COM interface It must be built with two 4 point speakON connectors and a female 8 point PA COM connector no cable clamp OUT1 OUT2 OUT3 OUT4 speakON to PA COM Connection to LA12X Maximum numb...

Page 20: ...put CA COM DO DO 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 and DOSUB LA8 on CA COM output CA COM DO DOSUB LA8 SPK...

Page 21: ...IN A 0 dB 0 ms ON K1SB_60 K1SB_X K2 KS28_60 outputs channels routing gain delay polarity mute OUT 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 O...

Page 22: ...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 m...

Page 23: ...ex L Vents MF bass re ex HF DOSC waveguides Nominal impedance LF 2 x 8 MF 8 HF 16 Connectors IN 1 x 8 point PA COM LINK 1 x 8 point PA COM Rigging and handling captive 4 point rigging system inter enc...

Page 24: ...Speci cations K2 dimensions 400 mm 15 8 in 1338 mm 52 7 in 286 mm 11 3 in 354 mm 13 9 in K2 KS28 user manual EN version 3 0 24...

Page 25: ...g and handling captive 4 point rigging system inter enclosure angles 0 0 5 1 1 5 2 2 5 3 4 or 5 handles integrated into the cabinet Weight net 83 kg 183 lb Cabinet rst grade Baltic birch plywood Front...

Page 26: ...Speci cations K1 SB dimensions 505 mm 19 9 in 1342 mm 52 8 in 520 mm 20 5 in 438 mm 17 1 in K2 KS28 user manual EN version 3 0 26...

Page 27: ...ectors 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 plywoo...

Page 28: ...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 K2 KS28 user manual EN version 3 0 28...

Page 29: ...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...