
AtlasSound.com 2/2
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333
FAX (800) 765-3435
©2009 Atlas Sound LP. All rights reserved. Atlas Sound is a trademark of Atlas Sound L.P. All other trademarks are property of their respective owners. ATS003249 RevA 8/09
General Description
Environment-resistantSMSeriesloudspeakersystemsofferquality
soundreproductionandcontemporarystylinginacompactenclosure.
Systemcomponentsconsistofahighlyefficientwoofersectionand
Ferrofluid™cooledmylarhighfrequencydevice.Vocalandmusicalclar-
ityisoptimizedbythemathematicallyconceived,advanceddesignof
theAtlasSoundTRXControlWaveGuide™high frequency director. This
designprovidessmooth,evensoundcoverage(90°x90°).Thehigh
frequencysectionissymmetrical,forequalcoverageinbothvertical
andhorizontalcabinetmountingpositions.Highfrequencycomponent
protectionisprovidedbytheAtlasSoundPolyGuard™protection circuit.
Bothdriversfeaturelow-flux-leakagedesignsenablingthespeaker
tobeusedincloseproximitytovideomonitors.Forcriticalvideo
monitoringapplications,aminimumdistanceof18"fromtheedgeofthe
loudspeakertotheedgeofthescreenisrecommended.TheSM42T
includesaninternallymounted,16Watt70.7V/100Vlinematching
transformerwithscrewdriveradjustableexternaltapselectionforusein
distributedsoundapplications.
To withstand the harshest environments, the new Strategy Series®
SM42Tsurfacemountloudspeakersareconstructedofweather
resistantmaterials:UV-resistant,talcimpregnated,polypropylene
injectionmoldedcabinets;polypropylenewoofercones;powdercoated
aluminumgrillesandallbrasshardware.TheStrategySeriesspeaker
systemsincludeaversatileyetsimpleC-bracketdesignedtoprovide
easyverticalorhorizontalinstallationonjustaboutanysurface.Care
shouldbetakentoensurethatthechosenmountingsurfaceisstrong
enoughtosupporttheSM42T.Careshouldalsobetakentoensure
thattheSM42Tisnotexposedtodirectprecipitation.A5⁄8"-27threaded
holeisprovidedontheC-brackettoallowtheSMseriesspeakertobe
mountedonanyAtlasSoundmicrophonestandfornear-fieldlivesound
applications.23⁄8"OCbrassinsertsarealsoprovidedontherearofthe
SM42TtoaccommodatetheAtlasSoundSMBALLMOUNTbracketor
OMNIMOUNT™10Seriesbrackets.Allinsertsformountingknobsare
standard 1⁄4"-20toalloweasysubstitutionofstandard“offtheshelf"
vandalprooftorxheador“one-way"hardware.Inputconnectorsinclude
asealed2-poleterminalstripcapableofacceptinguptotwo#14AWG
wires.2,4,8,and16Watttapsarescrewdriverselectableviaasealed
switchlocatedneartheinputsectionontherearofthecabinet.Internal
transformermayalsobebypassedfor8-ohmoperationviatapselector
switch.Aflushcoverwithwireexitholeisprovidedtoensureinput
connectionsandtapselectorswitchareprotected.Systemsareavailable
inBlackorWhitefinishesandcanbepaintedtoaccommodateany
architecturalconsiderations.
Architect & Engineer Specifications
Theindoor/outdoormini-loudspeakersystemshallbeAtlasSoundModel
SM42T-___(BorW)orapprovedequal.Assembliesshallconsistof
two-waywooferandtweeterwithinenvironment-resistanthousings.
EnclosureshallbeconstructedofpaintableUV-resistant,talcimpreg-
nated,polypropyleneinjectionmoldedplasticfinishedinblack(SM42T-B)
orwhite(SM42T-W).Eachunitshallincludeastampedpowdercoated
aluminumgrilleandremovableC-shapedmountingbracket.Allhardware
insertsshallbebrassandthreaded1⁄4"-20.The16WattRMSsystem
shallhavea4"(102mm)woofer,constructedofreinforcedpolypropyl-
ene,anda1"(25mm)Ferrofluidtweeter.Thedividingnetworkcrossover
frequencyshallbe4kHz.Thedividingnetworkshallincludeprotection
circuitsforthehigh-frequencycomponent.Eachunitshallincludean
internallymounted16Watt70.7V/100Vlinematchingtransformerfor
useindistributedsoundapplications.Wattagetapsshallbescrewdriver
selectableviaasealedswitchlocatedneartheinputsection.Wattage
tapsshallbe2,4,8,&16Watts@70.7V.Theloudspeakersystemshall
meetthefollowingperformancecriteria:Powerhandling:16Watts
RMS.Frequencyresponse:115Hz–16kHz(±5dB).Sensitivityshallbe
88dBSPLatonewatt,85Hz–16kHzmeasuredatadistanceofone
meteronaxis.Impedanceshallbe8Ωnominal.Inputconnectorsshall
includeatwo-polebarrierstripcapableofacceptinguptotwo#14AWG
cables.Acoverwithwireexitholeshallbeprovidedtoprotecttheinput
connectors.Theloudspeakersystemshallexhibitnoperformanceor
cosmeticdegradationaftera100–hoursaltspraytestperASTMB117
Theunitshallbe7"(178mm)high,5"(127mm)wide,and515⁄16" (151mm)
deep.
SM42T
(Back Shown with Cover Removed)