shure beta 181 side-address condenser microphone user ... · bi for blumlein stereo teqhnique •...

侧向拾音电容式话筒사이드-어드레스 콘덴서 마이크サイドアドレスコンデンサー型マイクロホンКонденсаторный микрофон с боковым приемомMicrófono de condensador de captación lateralMicrofono a condensatore con ripresa lateraleVon der Seite zu besprechendes KondensatormikrofonMicrophone électrostatique à capture latéraleSide-Address Condenser Microphone

©2012 Shure Incorporated 27A14482 (Rev. 1) Printed in U.S.A.

Wired Microphones

BETA181

BETA 181

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Features• PremierliveperformancemicrophonewithShure

quality,ruggedness,andreliability• Compactpreampattachestofourinterchangeable

capsules• WidedynamicrangeforuseinhighSPLenvironments• Side-addressformallowsfordiscreetpositioningin

tightperformanceandrecordingsettings• Innnovativelockingringprovidesasecureconnection

betweencapsuleandpreamp• Hardenedsteelmeshgrilleresistsdenting,wear,and

abuse• Compactdesign,under12cm(5in.),reducesstage

clutter• Furnishedwithstandadapterandcarryingcase

Changing Capsules

Applications and Placement

General Rules for Use• Aimthemicrophonetowardthedesiredsoundsource;angleunwantedsoundstowarditsnullpoint.• UsethefewestamountofmicrophonesaspracticaltoincreasethePotential Acoustic Gainandpreventfeedback.• Followthe3 to 1 Rulebyspacingeachmicrophonebyatleastthreetimesthedistancetoitssourcetoreduce

Phase Cancellation.• PlacemicrophonesasfaraspossiblefromreflectivesurfacestoreduceComb Filtering.• Whenusingdirectionalmicrophones,workcloselytothemicrophoneforextrabassresponsetotakeadvantageof

Proximity Effect.• Avoidexcessivehandlingtominimizepickupofmechanicalnoiseandvibration.• Donotcoveranypartofthemicrophonegrille,asthiswilladverselyaffectmicrophoneperformance.• Addawindscreenwhenusingthemicrophoneoutdoors.

VariationsBeta 181/CCardioidMicrophone

General DescriptionTheShureBeta181isanultra-compact,side-address,condensermicrophone,designedfordiscreetplace-mentinliveandstudioenvironments.Featuringinter-changeablecardioid,supercardioid,omnidirectionalandbidirectionalcapsulesforsuperiorversatility,thesmalldiaphragmoftheBeta181providessuperioraudiowithconsistent,“textbook”polarresponsesinaformfactorsmallenoughtogetclosetothesourceinthetightestconditions.

Performance Characteristics• Exceptionallow-frequencyreproduction• ExtremelyhighSPLhandling• Highoutputlevel• Nocrossoverdistortion• Transformeroutput

Positioning the MicrophoneThefrontofthemicrophoneismarkedbytheShurelogoonthepreampandthepolarpatternicononthecapsule.Positionthissidetowardthesoundsource.

BETA 181

FollowthesestepstochangeBeta181capsules:

KNURLED RING

ALIGNMENT KEY

ALIGNMENT GROOVE

1. Turnoffphantompoweranddisconnectfromequipment.

2. Unscrewthecapsule’sknurledringtodetachthepreamp.

3. SlidethealignmentkeyonthebottomofthecapsuleintothegrooveonthepreamptoensurethattheShurelogodisplaysthefrontofthemicrophone.

4. Tightentheknurledringtosecurelyreconnectthemicrophone.

Thefollowingtableliststhemostcommonapplicationsandplacementtechniques.Keepinmindthatmicrophonetech-niqueislargelyamatterofpersonaltaste;thereisnoone“correct”microphoneposition.

BETA 181

Cardioid Supercardioid Omnidirectional Bidirectional

• Drumoverheads• Piano• Acousticinstruments• PairwithaBeta181/BI

forM/Sstereotechnique

• Close-mikinginperformancesettings

• Snaredrum• Acousticinstruments

• Roomandambientpickup

• Monodrumoverhead• Stringensembles

• UseapairofBeta181/BIforBlumleinstereoteqhnique

• Monodrumoverhead• Dualsoundsources,such

asbetweentom-tomsoracousticinstruments

Note: Aswithallbidirectionalmicrophones,soundspickedupfromthebackwillbeoutofpolaritywiththesource.Thosefromthefrontareinpolaritywiththesource.

Beta 181/SSupercardioidMicrophone

Beta 181/OOmnidirectionalMicrophone

Beta 181/BIBidirectionalMicrophone

NOTE:Beforeeachuse,makesurethecapsuleistightlysecuredonthemicrophone,asvibrationandaccidentalhitswithdrumsticksmayloosenit,resultinginsignalloss.

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Accessories and Parts

Avoiding Pickup of Unwanted Sound SourcesDirectionalmicrophonesaremostsensitivetosoundsarrivingonaxisandrejectatanglesdependinguponthepolarpattern.Thefollowingchartshowstherejectionanglesofeachmicrophone.Inliveperformanceorrecordingsettings,alignmonitors,P.A.loudspeakers,andunwantedsoundsourcesattheseangles.

Tominimizefeedbackandensureoptimumrejectionofunwantedsound,alwaystestmicrophoneplacementbeforeaperformance.

Cardioid Supercardioid Bidirectional

Off-axisnullpointsat180degrees Off-axisnullpointsat120degrees Off-axisnullpointsat90degress

CERTIFICATION EligibletobearCEMarking.ConformstoEuropeanEMCDirective2004/108/EC.MeetsHarmonizedStandardsEN55103-1:1996andEN55103-2:1996,forresidential(E1)andlightindustrial(E2)environments.

TheDeclarationofConformitycanbeobtainedfrom:

AuthorizedEuropeanrepresentative:ShureEuropeGmbHHeadquartersEurope,MiddleEast&AfricaDepartment:EMEAApprovalWannenackerStr.28D-74078Heilbronn,GermanyPhone:+49713172140Fax:+497131721414Email:[email protected]

Power RequirementsThismicrophonerequiresphantompowerandperformsbestwitha48Vdcsupply(IEC-61938).However,itwilloperatewithslightlydecreasedheadroomandsensitivitywithsuppliesaslowas11Vdc.

Mostmodernmixersprovidephantompower.Youmustuseabalancedmicrophonecable:XLR-to-XLRorXLR-to-TRS.

Load ImpedanceMaximumSPLcapability,outputclippinglevel,anddy-namicrangevarywiththeinputloadimpedanceofthepreamplifiertowhichyouconnectthemicrophone.Shurerecommendsaminimuminputloadimpedanceof1000Ω.Mostmodernmicrophonepreamplifiersmeetthisrequirement.Higherimpedanceresultsinbetterperfor-manceforthesespecifications.

124,46 mm(4.90 in.)

20,32 mm(0.80 in.)

34,54 mm(1.36 in.)

Furnished Accessories

MicClip A57F

ZipperedCarryingCase A181C

Windscreen A181WS

Optional Accessories

CardioidCapsule RPM181/C

SupercardioidCapsule RPM181/S

BidirectionalCapsule RPM181/BI

OmnidirectionalCapsule RPM181/O

Beta181Preamp RPM181/PRE

UniversalMicrophoneMount A75M

ShockStopper™IsolationMount A53M

7.6m(25ft.)Cable C25E

Note: Informationinthisguideissubjecttochangewithoutnotice.Fortheadditionalinformationaboutthisproduct,pleasevisitwww.shure.com.

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Caractéristiques

Type de capsule Condensateuràélectret

Courbe de directivité 181/C: Cardioïde181/S: Supercardioïde181/O: Omnidirectionnel181/BI: Bidirectionnel

Réponse en fréquence 20à20,000Hz

Impédance de sortie 110Ω

Sensibilitétensionencircuitouvert,à1kHz,typique

Cardioïde: –46.5dBV/Pa[1](4.7mV)Supercardioïde: –49.5dBV/Pa[1](3.4mV)

Omnidirectionnel: –52.0dBV/Pa[1](2.5mV)Bidirectionnel: –51.0dBV/Pa[1](2.8mV)

SPL maximum1kHzavecDHTde1%[2]

Charge de 2500 Ω: Cardioïde: 151.5dBSPLSupercardioïde: 154.5dBSPL

Omnidirectionnel: 157.0dBSPLBidirectionnel: 156.0dBSPL

Charge de 1000 Ω: Cardioïde: 149.0dBSPLSupercardioïde: 152.0dBSPL

Omnidirectionnel: 154.0dBSPLBidirectionnel: 153.5dBSPL

Rapport signal/bruit[3] Cardioïde: 73.5dBSupercardioïde: 71.5dB

Omnidirectionnel: 70.5dBBidirectionnel: 71.0dB

Plage dynamique Charge de 2500 Ω: Cardioïde: 131.0dBSupercardioïde: 132.0dB


Charge de 1000 Ω: Cardioïde: 128.5dBSupercardioïde: 129.5dB


Niveau d’écrêtageà1kHz,DHTde1%

Chargede2500Ω: 10.5dBVChargede1000Ω: 7.5dBV

Bruit propreéquivalentSPL,pondéréenA,typique

Cardioïde: 20.5dBSPL-ASupercardioïde: 22.5dBSPL-A

Omnidirectionnel: 23.5dBSPL-ABidirectionnel: 23.0dBSPL-A

Rejet en mode commun20à20,000kHz

≥55dB

Polarité Unepressionacoustiquepositivesurlediaphragmeproduitunetensionpositivesurlabroche2parrapportàlabroche3.

Alimentation 11–52Vc.c.[4]alimentationfantôme(IEC-61938)2.4mA,maximum

Poids Net 145g(5.1oz)[1]1Pa=94dBSPL[2]LaDHTdupréamplificateurdumicrophoneappliquéeauniveaudusignald’entréeestéquivalenteauniveaudesortiedelacapsulepourlavaleurSPLspécifiée.[3]Lerapportsignal/bruitestladifférenceentreleniveauSPLde94dBetleniveauSPLéquivalentdubruitproprepondéréA.[4]Touteslescaractéristiquestechniquesontétémesuréesavecunesourced’alimentationfantômede48Vc.c.Lemicrophonefonctionneàdestensionsplusbassesmaisauprixd’uneplagedy-namiqueetd’unesensibilitélégèrementréduites.

SPECIFICATIONS

Cartridge Type ElectretCondenser

Polar Pattern 181/C: Cardioid181/S: Supercardioid181/O: Omnidirectional181/BI: Bidirectional

Frequency Response 20to20,000Hz

Output Impedance 110Ω

Sensitivityopencircuitvoltage,@1kHz,typical

Cardioid: –46.5dBV/Pa[1](4.7mV)Supercardioid: –49.5dBV/Pa[1](3.4mV)

Omnidirectional: –52.0dBV/Pa[1](2.5mV)Bidirectional: –51.0dBV/Pa[1](2.8mV)

Maximum SPL1kHzat1%THD[2]

2500 Ω load: Cardioid: 151.5dBSPLSupercardioid: 154.5dBSPL

Omnidirectional: 157.0dBSPLBidirectional: 156.0dBSPL

1000 Ω load: Cardioid: 149.0dBSPLSupercardioid: 152.0dBSPL

Omnidirectional: 154.0dBSPLBidirectional: 153.5dBSPL

Signal-to-Noise Ratio[3]

Cardioid: 73.5dBSupercardioid: 71.5dB

Omnidirectional: 70.5dBBidirectional: 71.0dB

Dynamic Range 2500 Ω load: Cardioid: 131.0dBSupercardioid: 132.0dB


1000 Ω load: Cardioid: 128.5dBSupercardioid: 129.5dB


Clipping Level@1kHz,1%THD

2500Ωload: 10.5dBV1000Ωload: 7.5dBV

Self NoiseequivalentSPL,A-weighted,typical

Cardioid: 20.5dBSPL-ASupercardioid: 22.5dBSPL-A

Omnidirectional: 23.5dBSPL-ABidirectional: 23.0dBSPL-A

Common Mode Rejection20to20,000kHz

≥55dB

Polarity Positivepressureondiaphragmproducespositivevoltageonpin2withrespecttopin3

Power Requirements 11–52VDC[4]phantompower(IEC-61938)2.4mA,maximum

Net Weight 145g(5.1oz.)[1]1Pa=94dBSPL[2]THDofmicrophonepreamplifierwhenappliedinputsignallevelisequivalenttocartridgeoutputatspecifiedSPL[3]S/Nratioisthedifferencebetween94dBSPLandequivalentSPLofselfnoise,A-weighted[4]Allspecificationsmeasuredwitha48Vdcphantompowersupply.Themicrophoneoperatesatlowervoltages,butwithslightlydecreasedheadroomandsensitivity.

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Beta 181/C

Beta 181/S

Beta 181/BI

Beta 181/O

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www.shure.com ©2012 Shure Incorporated

Asia, Pacific:Shure Asia Limited22/F, 625 King’s RoadNorth Point, Island EastHong Kong

Phone: 852-2893-4290Fax: 852-2893-4055Email: [email protected]

United States, Canada, Latin America, Caribbean:Shure Incorporated5800 West Touhy AvenueNiles, IL 60714-4608 USAPhone: 847-600-2000Fax: 847-600-1212 (USA)Fax: 847-600-6446Email: [email protected]

Europe, Middle East, Africa:Shure Europe GmbH Jakob-Dieffenbacher-Str. 12,75031 Eppingen, Germany

Phone: 49-7262-92490Fax: 49-7262-9249114Email: [email protected]

shure beta 181 side-address condenser microphone user ... · bi for blumlein stereo teqhnique •...

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