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Atlas Sound AH94-12ST User manual

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AtlasSound.com
1/4
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333
FAX (800) 765-3435
©2010 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS002868 RevB 6/10
Features
• Heavydutymountingbracket(included)allowsforeasyinstallationto
mostanyatsurface
• Threeforgedeyeboltsincludedforsuspendedinstallation
• 200wattspowerhandling
• Constantdirectivitydesignofferscontrolledcoverageof90°
horizontalby40°vertical(2kHzoctaveband)
• Drivercomplimentincludes12"castframewooferwitha
concentricallymounted1"exitcompressiondrivercoupledtoa
90°Hx40°VHFhorn
• Easy,weatherresistantconnectionviaaconvenientrecessed
terminalblocklocatedonthebottomoftheloudspeaker
• Includesabuilt-in,highefciency60watts70.7Vtransformer
• Efciencyratingof103dB(1W/1M)
• Maximumoutputof126dB(RatedPower@1M)
Applications
AtlasSoundmodelAH94-12STstadiumhornisidealfordirectional
sounddistributionwherefullrangereproduction,maximumintelligibility,
andhighsoundpressurelevelsarerequired.Applicationsincludefootball
stadiums,sportsarenas,baseballfields,conventioncenters,andaudito-
riums.
WeatherresistantconstructionfeaturesoftheAH94-12STincludea
multiplescreenconfigurationtopreventmoisturefromdamaging
internalcomponents.
Aperforatedaluminumscreencoversthelargehornmouth,asecondary
screenisinplaceforwardofthehighfrequencydriver,andathirdtightly
perforatedscreenprotectsthe12"castframewoofer.
Installation
Aheavy-dutystainlesssteel"C"stylemountingbracketisincludedwith
theAH94-12STtoalloweasymountingtomostanyflatsurface.Three
dropforgeeyeboltsarealsopre-installed(2-frontofhornplus1-rearfor
"pull-up")forsuspensionmountingvialoadratedwirerope.(Usecaution
whensuspendinganyobjectoverhead.Refertoinstallationmanualfor
moredetails).
TheAH94-12STincludesaweatherresistant7poleterminalblockcon-
nectorontheundersideofthespeakerforeaseofhook-up.Thistermi-
nalblockincludesconnectionpointsforinternal70.7Vtransformerwith
tapssettingsof7.5,15,30,&60wattsand8Ωconnectionfortrans-
formerbypass.
AH94-12ST
AH94-12ST
12" AH Series Stadium Horns 90° x 40°
AH94-12ST
AtlasSound.com
2/4
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333
FAX (800) 765-3435
©2010 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS002868 RevB 6/10
Technical Specifications
Power Rating: 200watts
Sensitivity 1W/1M: 103dBSPL(70Hzto17kHz
1
⁄3octavebands)
Frequency Response: 80Hz-15kHz(±5dB)
Dispersion: 90°x40°
Impedance:8ΩNominal
Transformer Taps: 7.5,15,30,&60watts
Height: 24.68"(626.87mm)
Width: 22.06"(560.32mm)
Depth: 22.57"(573.28mm)
Shipping Weight: 85lbs(38.6kg)
Driver Type: 1"HFand12"LF
Architect & Engineer Specifications
LoudspeakershallbeAtlasSoundModelAH94-12STorapprovedequal.
Theloudspeakersystemshallbeahorn-loaded,2-waydesignwitha12
inchpaperconeandmoistureresistantcoating.
Theloudspeakersystemshallincludea12",hornloaded,castframe
wooferandanintegral,concentricallymounted1"exitcompression
drivercoupledtoaconstantdirectivityhighfrequencyhorn.Thethree
pole(18dB/octave)dividingnetworkshallhaveacrossoverfrequencyof
1.6kHz.Thedividingnetworkshallincludeapolyswitchprotectioncir-
cuitforthehigh-frequencycomponent.
Theloudspeakersystemshallbecapableofprovidingasounddispersion
angleof90˚horizontalby40˚verticalinthe2kHzoctaveband.
Ratedpowershallbe200wattsRMSbasedonEIAStandardRS-426B.*
EnclosureshallbeUV-resistant,lowpressureinjectionmoldedfiberglass
andshallincludea3stagemultiplemeshfiltersystemforweatherand
rodentresistance:toincludea20-gaugeperforatedaluminumscreenon
frontmouthassembly,a100x100weavestainlesssteelmeshbetween
HFhornandHFdriveranda100x100weavestainlesssteelmeshover
12"woofer.Theloudspeakershallincludeastampedandformed,2mm
stainlesssteelpowdercoatedmountingbracketassemblyforsurface
mountingandthreeM8dropforgedeyeboltsforsuspensionmounting,
twoatthefrontandoneatthereartoallowthespeakersystemtobe
suspendedandaimedusingratedwirerope.
Sensitivityshallbe103dBSPL(80Hzto15kHzin1/3octavebands)
measuredatadistanceofonemeteronaxiswithaonewattinputhalf
space(2.83V).
Overallfrequencyresponseshallbe80Hz–15kHz(±5dB).
Theinputsectionlocatedonthebottomrearoftheloudspeakershallbe
via7positionscrewdownterminalstripinternallyconfiguredtoallow
inputtoaninternallymounted70.7Vtransformerwith7.5,15,30,60watt
tapsandaby-passjumperdirectcoupledtothespeakerfornominal8Ω
operation.Thesystemconnectionsshallbeprotectedfromtheelements
byascrewaffixedweatherresistantcover.
Dimensionsshallbe:Height:24.68" (626.87mm)
Width: 22.06" (560.32mm)
Depth: 22.57" (573.28mm)
Weight:85Lbs (38.6kg)
*EIAtestspectrumisappliedforeighthours.
(Thisprocedureprovidesarigoroustestofboththermaland
mechanicalfailuremodes.)
22.57
12.03”
30.56mm
20.05”
50.93mm
19.66
16.00
22.57"
(573.28mm)
12.03"
(305.56mm)
24.68"
(626.87mm)
22.06"
(560.32m)
16.00"
(406.4mm)
AtlasSound.com
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1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333
FAX (800) 765-3435
©2010 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS002868 RevB 6/10
AH94-12ST Horizontal Beamwidth (- 6dB)
AH94-12ST Vertical Beamwidth (- 6dB)
AH94-12ST Frequency Response
AtlasSound.com
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1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333
FAX (800) 765-3435
©2010 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS002868 RevB 6/10
AH94-12ST Impedance (Ohms) vs. Frequency
AH94-12ST Horizontal Polars (Normalized To Zero On Axis) (- 6dB)
AH94-12ST Vertical Polars (Normalized To Zero On Axis) (- 6dB)
/