Shure 503BG Bruksanvisning

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GeneralDescription

Developedforcomputervoicerecognitionapplications,the503BGmicrophone

offersexcellentvoicefidelitywhilereducingbackgroundnoise.Alsousethe

503BGinotherclose-talkingapplicationssuchaspagingandtalkback.

The503BGfeaturesalow-impedance,movingcoiltypetransducerwithan

integralhumbuckingcoilandanattachedtwo-conductorshieldedcablewith

abuilt-instrainrelief.Itproducesafrequencyresponsewithanessentially

constantoutputvoltageoverthevoicespectrumwhenusedclosetothe

soundsource.

The503BG'scaseisaluminumwithablackenamelfinish.Itmountstoa

gooseneck,afixedpipeoramicrophonestandusingastandard5/8"-27

thread.TosecurethemountedBG503,tightenthe4-40screwwiththesup-

plied#4Allen(hex-head)wrench.

Features

•Optimizedperformanceinvoiceprocessingandcomputervoicerecogni-

tionapplications.

•Smoothfrequencyresponsewithexcellentfidelityinthevoicerange.

•Cardioidpickuppatternandclose-talkingoperationkeepunwantedsignals

andbackgroundnoiseatlowlevels.

•Constantoutputovervoicespectrumwhenclose-talked.

•HumbuckingcoilminimizesundesirablehumeffectssuchasCRTinter-

ference.

•Low-impedancedesignpermitslongcablerunsinextremehumfields.

•SmallunobtrusivedesigndoesnotinterferewithCRTvisibility.

•Ruggedandreliableforyearsofconsistentoperation.

Operation

Forbestperformance,speakasclosetothe503BGascomfortpermits.A

distanceof1to5cm(0.4to2inches)providesthegreatestdiscriminations

betweenvoiceandbackgroundnoise.

AcousticConsiderations

The503BGmaximizesperformanceinclose-talkingapplicationsthroughits

tailoredfrequencyresponse,directionalityanddistancediscrimination.It

optimizesandcontrolssoundswithinthe100to7000Hzfrequencyrange

andreducessoundsoutsidethatrange.TheBG503rejectsnoisethrough

itsinherentdirectionalpropertiesanddiscriminatesagainstdistantsounds

infavorofclose-rangesounds.

Specifications

Type

Dynamic(movingcoil),Unidirectional(Cardioid)

FrequencyResponse

100to7,000Hz

Impedance

170Ωactual

OutputClippingLevel

opencircuitvoltage

-61.5dBV/Pa(.84mV)[1]

Polarity

Positivepressureondiaphragmproducespositivevoltageonwhiteconductorwithrespecttoblackconductor

HumPickup

Maximum15dBequivalentSPLinm0efield

1/3©2017ShureIncorporated

Model 503BG

Vocal Microphone

Produktspecifikationer