EAW K F 8 6 0 User manual

The Laws of Physics /The Art of Listening
USER MANUAL
for
KF860 ARRAYS
Juno Awards
GM Place, Vancouver, BC, Canada
Application: Live Sound
Devices Used: KF860, KF850, JF260, KF940, SM200, MX8600
Touring Company: Rocky Mountain Sound

EASTERN ACOUSTIC WORKS
PRODUCT USAGE GUIDE:
AN INTRODUCTION
ThisisthefourthinstallmentintheEasternAcousticWorks
ProductUsageGuideseries.Thegoalofthisseriesistooffer
concise,accurateguidanceontheuseEAW loudspeaker
products.
Eachguidewillofferaconciseoverviewofaparticular
productseriesandillustratethemostcommonmethods
ofuse.Thischapterwillfocusontheapplicationofthe
sixmostcommonKF860SeriesVirtualLineArray
configurations.
KF860 SERIES
TheKF860/VLASeriescomprisestwo
high-outputmodulesoptimizedto
createverticallinearrays. TheSeries
comprisestwomodules–theKF860
whichfeaturesa60°horizontal
coveragepattern,andtheKF861
whichfeaturesa90°patternfor
nearfieldcoverage.Nominalvertical
coverageis30°buttheeacharray'strue
verticalpatternisdeterminedbythesizeand
configurationofthearrayaswellasbydigitalsignal
processorsettings.
Eachmodulecontains2x15-inwoofers,2xhorn-loaded
10-inmidfrequencyconedrivers,and2x2-inexit/75mm
voicecoilcompressiondriversonconstantdirectivityhorns.
KF860 SERIES BACKGROUND
AND DESCRIPTION
TheKF860/VLASerieswasoriginallydevelopedtohelp
solvespecificproblemsforhigh-endentertainmentindustry
eventsthatfeaturedbothliveandbroadcastaudiences.
Thekeydesignparameterswereminimalarraysize,high
outputandbroadbandpatterncontrol.
PartoftheKF860Seriessolutionwastheapplication
ofconfiguration-specificdigitalsignalprocessing(DSP)
tomaintainpatterncontroloveranexceptionallywide
bandwidth.Settingsvarydependingonthenumberof
modulesinthearrayandtheanglebetweenadjacent
modules.ThustwocrucialelementsofanyKF860Series
applicationareaccuratelysplayingtheenclosuresand
applyingthecorrectDSPsettings.
BUILDING AND PROCESSING
KF860 SERIES ARRAYS
Tomaintainaccurateandrepeatablearrayangles,EAW
developedaunique,all-steelriggingsystemfortheKF860
Seriesthateliminatesguesswork.Thesteelriggingplatesthat
linkmodulestogetherfitintosteel-tubingbracketsoneach
endofthemoduleandaresecuredwithquick-releasepins.
Thereaderwillfindacompleteexplanationofthisrigging
systemonpages7and8ofthisguideaswellasinthe
companionpublication,KF860 Hardware Instructions.
EAW has developedappropriatesettingsfortheMX8600
CloseCoupledDigitalProcessortocontroleachofthe
KF860arrayconfigurationsdiscussedinthisguide.These
settingsareavailablefromtheftp(filetransferprotocol)
sectionofEAW's website(www.eaw.com)orcanbefaxedas
textfilesformanualentry. These settings are appropriate to
theMX8600andonlytheMX8600.Donotattempttouse
thesesettingsinanyotherDSPunit.ContactEAW's
ApplicationSupportGroupformoreinformation.
HANGING AND AIMING
KF860 SERIES ARRAYS
HangingKF860arraysrequirestheuseofadedicated
"bumperbar"developedforEAWbyATM, Inc. The bumper
baracceptsthetopportionoftheriggingplatesattwelve
pre-configuredlocations.
Thetopmoduleofanyarraywillbeaimedatanangle
determinedbythebumperbarlocationselectedandthesize
andconfigurationofthearray.Asmostapplicationrequire
thearraytobehungabovetheintendedcoveragearea,the
barhasbeendesignedtoaimthearray'soutputdown.
However, the bar can be reversedtoaimthearray'soutputin
anupwarddirection.Achartindicatingallpossibleangles
thatcanbeobtainedfromtheriggingsystemcanbefound
onpage8ofthisguide.
EAW has developedaspeciallymodifiedhandtruckto
assist inriggingKF860Seriesarrays. Specificinstructionon
itsusecanbefoundatEAW's websiteorbycontactingEAW
andrequestingtheKF860RiggingHardwareInstructions.

TWO-HIGH KF860 CONFIGURATION
TypicalUses:Distributedground-stackedclusters,delay
clustersonliftsorscaffolds.
Coverage:20degrees(specificanglesdeterminedbyaiming)
BumperBarTrimHeight(nominal):N/A
Splay:Theboxesarenominallysplayed10degrees,whichis
thetight-packedconfiguration.Thecoverageanglecanbe
openeduportightenedbysplayingmoreorlessthanthe
nominal10degrees.Ground-stackingnote???
Aiming:Theclustershouldbeaimedsothattheseam
betweenthetwoboxespointsatthefarthestseat.This
configurationistunedfora200ftthrow.
Processors:OnlyoneEAW MX8600 processor is required.
• For manual entry–usefile 2xKF860.TXT whichmaybe
foundatftp://ftp.eaw.com/PPSTfiles/KF860.
•ForECORE–usefile2xKF860.EAC whichmaybefound
atftp://ftp.eaw.com/Process/MX8600
THREE-HIGH KF860 CONFIGURATION
TypicalUses:Theatres
Coverage:+10degreesto-60degrees
BumperBarTrimHeight(nominal):22ft
Splay:Thethreeboxesareaimed+5,-10,&-35degrees,sothe
boxesshouldberiggedwith15degree(uppertomiddlebox),
and25degree(middletodownfillbox)splays.
Aiming:Theclustershouldbeaimedsothatthetopbox
pointsatthehighestseatingarea.Thisconfigurationistuned
fora100ftthrowtothefarthestseat.
Processors:Oneprocessorshoulddrivetheuppertwoboxes.
Thisprocessorisreferredtoas“main”inthesettings.
Asecondprocessorshoulddrivethelowestbox.This
processorisreferredtoas“downfill”inthesettings.
• For manual entry–usefile 3xKF860.TXT whichmaybe
foundatftp://ftp.eaw.com/PPSTfiles/KF860.
•ForECORE–usefile3xKF860.EAC whichmaybefound
atftp://ftp.eaw.com/Process/MX8600
5°
15°
5°
-10°
-35°
Ground-Stacked Application Shown

FOUR-HIGH KF860 CONFIGURATION
TypicalUses:Theatresandsmallarenas
Coverage:+15degreesto-60degrees
BumperBarTrimHeight(nominal):40ft
Splay:Theboxesareaimed+10,0,-15,&-35degrees,sothe
boxesshouldberiggedwith10degree(toptosecondbox),
15degree(secondtothirdbox),and20degree(thirdboxto
downfillbox)splays.
Aiming:Theclustershouldbeaimedsothatthetopbox
pointsatthehighestseatingarea.Thisconfigurationistuned
fora150ftthrowtothefarthestseatandmaximizedvertical
coverage.
Processors:Oneprocessorshoulddrivetheupperthree
boxes.Thisprocessorisreferredtoas“main”inthesettings.
Asecondprocessorshoulddrivethelowestbox.
Thisprocessorisreferredtoas“downfill”inthesettings.
• For manual entry–usefile 4xKF860.TXT whichmaybe
foundatftp://ftp.eaw.com/PPSTfiles/KF860.
•ForECORE–usefile4xKF860.EAC whichmaybefound
atftp://ftp.eaw.com/Process/MX8600
FOUR-HIGH “SHED”
KF860 CONFIGURATION
TypicalUses:Shedsandsmallfestivals.
Coverage:+2degreesto-60degrees
BumperBarTrimHeight(nominal):27ft
Splay:Theboxesareaimed0,0,-15,&-35degrees,sothe
boxesshouldberiggedwith0degree(toptosecondbox),
15degree(secondtothirdbox),and20degree(thirdbox
todownfillbox)splays.
Aiming:Theclustershouldbeaimedsothatthetopbox
pointsatthefarthestseat,orstraightoutforfestivals.
Thisconfigurationistunedfora200ftthrowtothefarthest
seatandcutsoffveryquicklyabovehorizontal.
Processors:Oneprocessorshoulddrivetheupperthree
boxes.Thisprocessorisreferredtoas“main”inthesettings.
Asecondprocessorshoulddrivethelowestbox.
Thisprocessorisreferredtoas“downfill”inthesettings.
• For manual entry–usefile 4xKF860shed.TXT whichmay
befoundatftp://ftp.eaw.com/PPSTfiles/KF860.
•ForECORE–usefile4xKF860shed.EAC whichmaybe
foundatftp://ftp.eaw.com/Process/MX8600
-35°
-15°
0°
10°
-35°
0°
-15°
0°

SIX-HIGH KF860 CONFIGURATION
TypicalUses:Arenas
Coverage:+15degreesto-60degrees
BumperBarTrimHeight(nominal):40ft
Splay:Theboxesareaimed+5,0,-5,-10, -20,&-35degrees,
sotheboxesshouldberiggedwith5degree(toptosecond
box),5degree(secondtothirdbox),5degree(thirdtofourth
box),10degree(fourthtofifthbox),and15degree(fifthto
sixthbox)splays.
Aiming:Theclustershouldbeaimedsothatthetopbox
pointsatthefarthestseat.Thisconfigurationistunedfora
300ftthrowtothefarthestseatwithmaximizedvertical
coverage.
Processors:Oneprocessorshoulddrivetheupperfour
boxes.Thisprocessorisreferredtoas“main”inthesettings.
Asecondprocessorshoulddrivethetwolowestboxes.
Thisprocessorisreferredtoas“downfill”inthesettings.
NOTE:Thisisdifferentfromallofthesmallerrigs,which
treatonlytheonebottomboxas“downfill”.
• For manual entry–usefile 6xKF860.TXT whichmaybe
foundatftp://ftp.eaw.com/PPSTfiles/KF860.
•ForECORE–usefile6xKF860.EAC whichmaybefound
atftp://ftp.eaw.com/Process/MX8600
-35°
-20°
0°
-5°
5°
-10°