QSC KLA181 User Manual (English)

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KLA181

Quick Start Guide

TD-000335-00-A

*TD-000335-00*

Suspending the KLA Series Loudspeakers

WARNING!: 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

• Consultaprofessionalmechanicalorstructuralengineer,licensedinthejurisdictionofthesoundsysteminstallation,toreview,verify,andapprove

allattachmentstothebuildingorstructure.

• Employtheservicesofacertied,professionalriggerforhoisting,positioning,andattachingtheequipmenttothesupportingstructure.

• Correctuseofallsuspensionhardwareandcomponentsisimperativeinsoundsystemsuspensionanddeployment.

• Alwayscalculatesuspendedloadsbeforeliftingtomakesuresuspensioncomponentsandhardwareareusedwithintheirrespectiveloadlimits.

• Consultlocalcodesandregulationstofullyunderstandtherequirementsforsuspendedloadsinthevenueinwhichyouwillsuspend

theequipment.

• UseonlytheKLAAF12ArrayFrameortheM10installationpointsforsuspendingthearray.

• Beabsolutelycertainoftheintegrityofanystructuralmemberintendedtosupportsuspendedloads.Hiddenstructuralmemberscanhavehidden

structuralweakness.

• Neverassumeanything!Ownerorthird-partysuppliedsuspensionattachmentpointsmaynotbeadequateforsuspendingtheloads.

• Beforelifting,alwaysinspectallcomponents(enclosures,suspensionbrackets,pins,frames,bolts,nuts,slings,shackles,etc.)forcracks,wear,

deformation,corrosion,missing,loose,ordamagedpartsthatcouldreducethestrengthoftheassembly.Discardanyworn,defective,orsuspect

partsandreplacethemwithnewappropriatelyload-ratedparts.

Shock Loading

Whenaloadiseithermovedorstopped,itsstaticweightismagnied.Suddenmovementscanmagnifythestaticweightseveraltimes.This

magnicationofstaticweightiscalled"shockloading".Shockloadingposesadangertoequipmentandworkers.Theeffectsofshockloadingcanbe

instantaneous,ormayremainundetectedunlesstheequipmentisvisuallydamaged.Properpreparationforshockloadingrequirescarefulplanning

andknowledgeofequipment,suspension,andliftingpractices.

Shockloadingofequipmentandstructuresisusuallyconnedtoliftingandinstallation,butnaturalforces(winds,earthquakes,andsoon)canimpose

shockloadsseveraltimesthestaticload.Becauseofthis,structuresandsuspensionequipmentmustbecapableofsupportingseveraltimesthe

weightofthesuspendedequipment.

KLA Maximum Suspended Load

TheKLAcomponentsareengineeredfora10:1designfactor.UseaKLA

AF12ArrayFrameortheM10IntegratedSuspensionpointstosuspendone

KLAArrayconsistingofoneofthefollowingarraycongurationoptions.

ThemaximumnumberofKLA12Loudspeakersinanyarray,withorwithout

KLA181Loudspeakers,isve.

Maximum Suspended Loudspeakers per Array

Array Conﬁguration Option A B C

MaximumNumberofKLA181Loudspeakers 2 3 4

MaximumNumberofKLA12Loudspeakers 5 3 0

— Table 1 —

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QSC KLA181 Specifications

General

Power Output	1000 W
Driver Size / LF Transducer	18 inches
Maximum SPL (1 meter) / Max SPL	135 dB
AC Power Input	100-240 VAC, 50/60 Hz
Enclosure Material	Plywood
Input Connectors	XLR
Input Impedance	20 kΩ