background image

SB28 subwoofer 

RIGGING MANUAL 

VERSION 1.0 

 

SB28_RM_EN_1.0

 

w w w . l - a c o u s t i c s . c o m

 

1 0   /   16

 

 

4.2

 

Flying 

 

Additional sling when flying an SB28 array. 

In  addition  to  the  provided  rigging accessories,  L-ACOUSTICS

®

  recommends  the  use  of  safety  slings at  all 

times. 

Next to its pickup points, the BUMPSUB-2 provides safety points to attach a sling next to the shackles. 

 

Vertical with BUMPSUB-2 

 

 

 

 

 
 

 

Flying a four enclosure array 

 

Prepare the BUMPSUB-2 / SB28CHAIN assembly. 

 

Refer to 

PROCEDURE B

. 

 

Lift the assembly. 

 

Stack two enclosures under the assembly. 

 

Refer to 

PROCEDURE A

. 

 

Attach SB28 enclosures under the assembly. 

 

Refer to 

PROCEDURE C

. 

 

Flying additional enclosures

 

 

Do not rest the top array completely on the stacked 

enclosures during this procedure. 
The lifting motors should always support part of the load. 

 

On both sides attach a SB28CHAIN to the end links of the first chains. 

 

Refer to 

PROCEDURE B

. 

 

Lift the array. 

 

Stack two enclosures under the assembly. 

 

Refer to 

PROCEDURE A

. 

 

Attach SB28 enclosures under the assembly. 

 

Refer to 

PROCEDURE C

. 

 

 

 

Summary of Contents for SB28

Page 1: ...SB28 subwoofer RIGGING MANUAL VERSION 1 0...

Page 2: ...model the system in SOUNDVISION and refer to the warnings in Mechanical Data section 9 Be cautious when flying a loudspeaker array Always verify that no one is standing underneath the loudspeaker arr...

Page 3: ...he content of its documents without prior notice Please check the L ACOUSTICS web site on a regular basis to download the latest document and software updates www l acoustics com CONTENTS 1 RIGGING SY...

Page 4: ...ofer L ACOUSTICS it extends the low frequency response of a loudspeaker system down to 25 Hz The rigging components of the SB28 system are the following 1 1 Loudspeaker enclosure SB28 Subwoofer enclos...

Page 5: ...SB28_RM_EN_1 0 w w w l a c o u s t i c s c o m 5 16 SB28 SB28CHAIN BUMPSUB 2 SOUNDVISION Main components involved in the SB28 rigging process...

Page 6: ...nical systems such as loudspeaker arrays WLLs cannot be used per se to determine the maximum number of enclosures within an array or to assess the safety of a specific array configuration Mechanical m...

Page 7: ...of SB28CHAIN for each group of four SB28 The BUMPSUB 2 provides two pickup points to adapt to the position of the lifting points in your configuration In addition to these pickup points safety points...

Page 8: ...SB28 subwoofer RIGGING MANUAL VERSION 1 0 SB28_RM_EN_1 0 w w w l a c o u s t i c s c o m 8 16...

Page 9: ...B28_RM_EN_1 0 w w w l a c o u s t i c s c o m 9 16 4 SYSTEM SET UP 4 1 Ground stacking Use safety straps at all times when SB28 enclosures are ground stacked Stack up to eight SB28 Refer to PROCEDURE...

Page 10: ...rray Prepare the BUMPSUB 2 SB28CHAIN assembly Refer to PROCEDURE B Lift the assembly Stack two enclosures under the assembly Refer to PROCEDURE A Attach SB28 enclosures under the assembly Refer to PRO...

Page 11: ...16 SUBSET PROCEDURES Stacking SB28 enclosures PROCEDURE A 1 Tip the enclosure 2 Remove the dolly 3 Tip the next enclosure and place it on top of the previous enclosure Align the runners with the track...

Page 12: ...ofer RIGGING MANUAL VERSION 1 0 SB28_RM_EN_1 0 w w w l a c o u s t i c s c o m 1 2 16 Attaching SB28CHAIN to another element PROCEDURE B Attach the SB28CHAIN top link to the BUMPSUB 2 to the SB28CHAIN...

Page 13: ...s c o m 1 3 16 Attaching four SB28 enclosures under another element PROCEDURE C 1 Lower the BUMPSUB 2 or SB28 array 2 Attach the SB28CHAIN end link to the bottom SB28 enclosure 3 Attach the SB28CHAIN...

Page 14: ...ON 1 0 SB28_RM_EN_1 0 w w w l a c o u s t i c s c o m 1 4 16 4 Lift the array and position a two SB28 stack under it 5 Lower the array so it rests on the stack Under BUMPSUB 2 Under SB28 Under BUMPSUB...

Page 15: ...w w w l a c o u s t i c s c o m 1 5 16 7 Lower the flown elements to attach the end link to the bottom enclosure 8 Attach the bottom end link to the bottom enclosure and the safety fittings to the mid...

Page 16: ...8_RM_EN_1 0 Distribution date April 28 2014 2014 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 co...

Reviews: