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K2_UM_EN_1.1

 

 

w w w . l - a c o u s t i c s . c o m

23

 

 

 

SB28 

 

Description 

Subwoofer enclosure, amplified by the LA8 

Low frequency limit (

‑

10 dB) 

25 Hz ([SB28_100] preset) 

Maximum SPL

1

 

140 dB ([SB28_100] preset) 

RMS power handling 

1255 W 

Transducers 

2 

 18"  neodymium, weather-resistant, direct radiation, bass-reflex 

Nominal impedance 

4 Ω 

Connectors 

IN: 1 

 4-point SpeakON

®

 

Rigging components 

Integrated rigging system 

Handles integrated in the cabinet 

Dimensions 

 

 Physical data 

Weight (net): 

93 kg / 205 lb 

Cabinet: 

Baltic birch plywood 

Finish: 

Dark Grey brown (Pantone 426C) 
Pure white RAL 9010

®

 

Front: 

Steel grill with anti-corrosion coating 
Airnet

®

 acoustically neutral fabric 

Rigging components:   Aluminium 

1 Peak level at 1 m under half-space conditions using 10 dB crest factor pink noise with specified preset. 

Содержание K2 WST

Страница 1: ...K2 WST enclosure user manual VERSION 1 1 www l acoustics com...

Страница 2: ...peration and consider wearing earplugs Loudspeaker systems are capable of producing very high sound pressure levels SPL which can instantaneously lead to permanent hearing damage to performers product...

Страница 3: ...test document and software updates www l acoustics com CONTENTS 1 K2 VARIABLE CURVATURE WST SYSTEM 4 2 SYSTEM COMPONENTS 5 2 1 Loudspeaker enclosure 5 2 2 Powering and driving system 5 2 3 Loudspeaker...

Страница 4: ...geometries Four different settings are possible two symmetric 70 or 110 and two asymmetric 90 as 35 55 or 55 35 Thanks to its full range capability the K2 enclosure can be deployed as a standalone lin...

Страница 5: ...nd LA RAK user manual 2 3 Loudspeaker cables DO cables DO 7 DO10 DO25 8 point PA COM loudspeaker cables 4 mm section Respective lengths of 1 1 m 2 3 ft 10 m 32 8 ft and 25 m 82 ft DOSUB LA8 Breakout c...

Страница 6: ...ON 1 0 K2_UM_EN_1 1 w w w l a c o u s t i c s c o m 6 K2 SB28 K1 SB LA RAK LA4X LA8 DOSUB LA8 DO 7 DO10 DO25 SPY1 SP 7 SP5 SP10 SP25 Soundvision LA Network Manager K2 system components excluding riggi...

Страница 7: ...vity system Using the adjustable fins horizontal directivity can be adjusted with four different settings 110 and 70 symmetric or 90 asymmetric i e 35 55 or 35 55 A specific K2 preset must be used for...

Страница 8: ...al bandwidth of the K2 enclosure with an adjustable horizontal directivity The K2 70 K2 90 and K2 110 presets allow for a reference frequency response in long throw applications Each preset is dedicat...

Страница 9: ...long throw applications Each preset is dedicated to a horizontal directivity setting The K1SB_X K2 preset provides the K1 SB enclosure with the same bandwidth as the K2 low section to increase the len...

Страница 10: ...limit at 60 Hz for an optimal frequency coupling with the K2 line source Three deployments are available in this configuration K1 SB on top of K2 K1 SB beside K2 side LF rejection polarized K1 SB beh...

Страница 11: ...d geometric delays depending on the configuration Pre alignment values K2 K1SB_60 K2 6 ms K1 SB 0 ms K2 line source coupled K1 SB behind Enclosure PRESET K2 K1 SB K2 70 K2 90 K2 110 K1SB_60 Frequency...

Страница 12: ...provide the SB28 and K1 SB enclosures with an upper frequency limit at 60 Hz for an optimal frequency coupling with any of the configuration The SB28 and K1 SB enclosures are driven by the LA8 amplif...

Страница 13: ...t and geometric delays depending on the configuration Pre alignment values Standalone K2 SB28_60 K2 0 ms SB28 6 ms LF throw K2 K1SB_X K2 SB28_60 K2 0 ms K1 SB 0 ms SB28 6 ms LF contour K2 K1SB_60 SB28...

Страница 14: ...whereas the LINK connector allows routing them to another similar enclosure in parallel Internal pinout for L ACOUSTICS K2 enclosures PA COM points A B C D E F G H Transducer as seen from the front Le...

Страница 15: ...pedance load LF MF HF 8 8 16 Use a SpeakON to CA COM interface to connect the LA4X SpeakON 1 2 and 3 4 connectors to the K2 IN connector L ACOUSTICS does not supply the SpeakON to CA COM interface It...

Страница 16: ...r LA8 A single LA8 amplified controller can drive up to 3 enclosures in parallel Impedance load LF MF HF 1 enclosure 8 8 16 2 enclosures 4 4 8 3 enclosures 2 7 2 7 5 2 Use a DO cable DO 7 DO10 or DO25...

Страница 17: ...a single LA8 amplified controller can drive up to 4 enclosures CARDIOID mode with SB28 Connect the reversed subwoofer to OUT 1 Impedance load 4 for 1 enclosure There are two options available to conne...

Страница 18: ..._1 1 w w w l a c o u s t i c s c o m 18 Option B Connect an SP cable SP 7 SP5 SP10 or SP25 to one of the SpeakON connectors of the LA8 Use an SP Y1 cable and a CC4FP adapter to split the audio signals...

Страница 19: ...ts Amplifier outputs Channels Default parameters Routing Gain Delay Polarity Mute K1 SB OUT 1 SB IN A 0 dB 0 ms ON K1 SB OUT 2 SB IN A 0 dB 0 ms ON K1 SB OUT 3 SB IN A 0 dB 0 ms ON K1 SB OUT 4 SB IN A...

Страница 20: ...les of gauge offering low resistance per unit length and keep the cables as short as possible The following table provides the recommended maximum length depending on the cable cross section and on th...

Страница 21: ...C waveguide Nominal impedance LF 2 8 MF 8 HF 16 RMS power handling LF 2 450 W MF 320 W HF 160 W Connectors IN 1 8 point PA COM LINK 1 8 point PA COM Rigging components Captive 4 point rigging system I...

Страница 22: ...ectors IN 1 4 point SpeakON Rigging components2 Captive 4 point rigging system Inter enclosure angles 0 0 5 1 1 5 2 2 5 3 4 or 5 Handles integrated in the cabinet Dimensions Physical data Weight net 8...

Страница 23: ...flex Nominal impedance 4 Connectors IN 1 4 point SpeakON Rigging components Integrated rigging system Handles integrated in the cabinet Dimensions Physical data Weight net 93 kg 205 lb Cabinet Baltic...

Страница 24: ..._UM_1 1 Distribution date December 16 2013 2013 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 con...

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