QSC KLA12 Quick Start Manual

1

Suspending the KLA12

 WARNRNG!:

Read and follow these instructions carefully. If the loudspeakers are not suspended properly, they could fall, 

causing personal injury and damage to the equipment.

Rules for Suspension

• ConsultaProfessionalMechanicalorStructuralEngineer,licensedinthejurisdictionofthesoundsysteminstallation,toreview,verify,andapprove

allattachmentstothebuildingorstructure.

• EmploytheservicesofaProfessionalRiggerforhoisting,positioning,andattachingtheequipmenttothesupportingstructure.

• Correctuseofallsuspensionhardwareandcomponentsisimperativeinsoundsystemsuspensionanddeployment.

• Alwayscalculatesuspendedloadsbeforeliftingtomakesuresuspensioncomponentsandhardwareareusedwithintheirrespectiveloadlimits.

• Consultlocalcodesandregulationstofullyunderstandtherequirementsforsuspendedloadsinthevenueinwhichyouwillsuspend

theequipment.

• UseonlytheKLAAF12ArrayFrameortheM10installationpointsforsuspendingthearray.

• Beabsolutelycertainoftheintegrityofanystructuralmemberintendedtosupportsuspendedloads.Hiddenstructuralmemberscanhavehidden

structuralweakness.

• Neverassumeanything!Ownerorthird-partysuppliedsuspensionattachmentpointsmaynotbeadequateforsuspendingtheloads.

• Beforelifting,alwaysinspectallcomponents(enclosures,suspensionbrackets,pins,frames,bolts,nuts,slings,shackles,etc.)forcracks,wear,

deformation,corrosion,missing,loose,ordamagedpartsthatcouldreducethestrengthoftheassembly.Discardanyworn,defective,orsuspect

partsandreplacethemwithnewappropriatelyload-ratedparts.

Shock Loading

Whenaloadiseithermovedorstopped,itsstaticweightismagnified.Suddenmovementscanmagnifythestaticweightseveraltimes.This

magnificationofstaticweightiscalled"shockloading".Shockloadingposesadangertoequipmentandworkers.Theeffectsofshockloadingcanbe

instantaneous,ormayremainundetectedunlesstheequipmentisvisuallydamaged.Properpreparationforshockloadingrequirescarefulplanning

andknowledgeofequipment,suspension,andliftingpractices.

Shockloadingofequipmentandstructuresisusuallyconfinedtoliftingandinstallation,butnaturalforces(winds,earthquakes,andsoon)canimpose

shockloadsseveraltimesthestaticload.Becauseofthis,structuresandsuspensionequipmentmustbecapableofsupportingseveraltimesthe

weightofthesuspendedequipment.

KLA Maximum Suspended Load

TheKLAcomponentsareengineeredfora10:1designfactor.UseaKLA

AF12ArrayFrameortheM10IntegratedSuspensionpointstosuspendone

KLAArrayconsistingofoneofthefollowingarrayconfigurationoptions.

ThemaximumnumberofKLA12Loudspeakersinanyarray,withorwithout

KLA181Loudspeakers,isfive.

Maximum Suspended Loudspeakers per Array

Array Configuration Option

A

B

C

MaximumNumberofKLA181Loudspeakers

2

3

4

MaximumNumberofKLA12Loudspeakers

5

3

0

— Table 1 — 

TD-000334-00-D

*TD-000334-00*

Quick Start Guide

KLW12