L-Acoustics SB28 Rigging Manual
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L-Acoustics SB28 Rigging Manual

L-Acoustics SB28 Rigging Manual

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See also: Owner's Manual , User Manual
SB28
subwoofer
RIGGING MANUAL
VERSION 1.0

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Summary of Contents for L-Acoustics SB28

  • Page 1 SB28 subwoofer RIGGING MANUAL VERSION 1.0...
  • Page 2 Do not stack the loudspeaker array on unstable ground or surface. If the array is stacked on a structure, platform, or stage, always check that the latter can support the total weight of the array. As a general rule, L-ACOUSTICS ®...

  • Page 3: Table Of Contents

    This document contains essential information on rigging the system properly and safely. Carefully read this document in order to become familiar with these procedures. As part of a continuous evolution of techniques and standards, L-ACOUSTICS ® reserves the right to change the specifications of its products and the content of its documents without prior notice.

  • Page 4: Rigging System

    Removable front dolly Other SB28 SYSTEM components All the other components of the system are presented in the SB28 user manual, document intended to describe the enclosures configurations and connection. w w w . l - a c o u s t i c s . c o m 4 / 16 SB28_RM_EN_1.0...
  • Page 5 SB28 BUMPSUB-2 SOUNDVISION SB28CHAIN Main components involved in the SB28 rigging process w w w . l - a c o u s t i c s . c o m 5 / 16 SB28_RM_EN_1.0...

  • Page 6: Mechanical Safety

    2 MECHANICAL SAFETY Maximum configurations The SB28 rigging system complies with 2006/42/EC: Machinery Directive. It has been designed following the guidelines of BGV-C1. 2006/42/EC: Machinery Directive specifies a safety factor of 4:1 against the rupture. The limits specified in the tables below correspond to deployments with a safety factor of 4:1 or higher.

  • Page 7: System Description

    3 SYSTEM DESCRIPTION The SB28 can be ground-stacked or flown. An SB28 system can be flown using a BUMPSUB-2 (lifting beam) and one pair 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 are available to attach a sling next to the shackles.
  • Page 8 SB28 subwoofer RIGGING MANUAL VERSION 1.0 w w w . l - a c o u s t i c s . c o m 8 / 16 SB28_RM_EN_1.0...

  • Page 9: System Set-Up

    4 SYSTEM SET-UP Ground-stacking Use safety straps at all times when SB28 enclosures are ground-stacked.  Stack up to eight SB28. Refer to PROCEDURE A. w w w . l - a c o u s t i c s . c o m 9 / 16 SB28_RM_EN_1.0...

  • Page 10: Flying

    SB28 subwoofer RIGGING MANUAL VERSION 1.0 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.

  • Page 11: Subset Procedures

    SUBSET PROCEDURES PROCEDURE A. Stacking SB28 enclosures 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 tracks. 4. Remove the dolly. Remove the pins on both sides.

  • Page 12: Procedure B. Attaching Sb28Chain To Another Element

    SB28 subwoofer RIGGING MANUAL VERSION 1.0 PROCEDURE B. Attaching SB28CHAIN to another element Attach the SB28CHAIN top link: to the BUMPSUB-2. to the SB28CHAIN end link. w w w . l - a c o u s t i c s . c o m 1 2 / 16 SB28_RM_EN_1.0...

  • Page 13: Procedure C. Attaching Four Sb28 Enclosures Under Another Element

    Attaching four SB28 enclosures under another element 1. Lower the BUMPSUB-2 or SB28 array. 2. Attach the SB28CHAIN end link to the bottom 3. Attach the SB28CHAIN stabilizer to the top SB28 SB28 enclosure. enclosure. w w w . l - a c o u s t i c s . c o m 1 3 / 16 SB28_RM_EN_1.0...
  • Page 14 SB28 subwoofer RIGGING MANUAL VERSION 1.0 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-2 Under SB28 6. Detach the end link w w w .
  • Page 15 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 middle enclosures. w w w . l - a c o u s t i c s . c o m 1 5 / 16 SB28_RM_EN_1.0...
  • Page 16 Document reference: SB28_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 consent of the publisher.

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