Shure BETA 181/BI Bruksanvisning

Shure mikrofon BETA 181/BI

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Sida 1/8

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 приемом

Micrófono de condensador de captación lateral

Microfono a condensatore con ripresa laterale

Von der Seite zu besprechendes Kondensatormikrofon

Microphone électrostatique à capture latérale

Side-Address Condenser Microphone

27A14482 (Rev. 1)

Printed in U.S.A.

Wired Microphones

BETA181

BETA 181

Features

• PremierliveperformancemicrophonewithShure

quality,ruggedness,andreliability

• Compactpreampattachestofourinterchangeable

capsules

•

WidedynamicrangeforuseinhighSPLenvironments

• Side-addressformallowsfordiscreetpositioningin

tightperformanceandrecordingsettings

• Innnovativelockingringprovidesasecureconnection

betweencapsuleandpreamp

• Hardenedsteelmeshgrilleresistsdenting,wear,and

abuse

•

Compactdesign,under12cm(5in.),reducesstage

clutter

•

Furnishedwithstandadapterandcarryingcase

Changing Capsules

Applications and Placement

General Rules for Use

• Aimthemicrophonetowardthedesiredsoundsource;angleunwantedsoundstowardits

null

point.

• Usethefewestamountofmicrophonesaspracticaltoincreasethe

Potential Acoustic Gain

andpreventfeedback.

• Followthe

3 to 1 Rule

byspacingeachmicrophonebyatleastthreetimesthedistancetoitssourcetoreduce

Phase Cancellation

•

Placemicrophonesasfaraspossiblefromreflectivesurfacestoreduce

Comb Filtering

•

Whenusingdirectionalmicrophones,workcloselytothemicrophoneforextrabassresponsetotakeadvantageof

Proximity Effect

•

Avoidexcessivehandlingtominimizepickupofmechanicalnoiseandvibration.

• Donotcoveranypartofthemicrophonegrille,asthiswilladverselyaffectmicrophoneperformance.

• Addawindscreenwhenusingthemicrophoneoutdoors.

Variations

Beta 181/CCardioidMicrophone

General Description

TheShureBeta181isanultra-compact,side-address,

condensermicrophone,designedfordiscreetplace-

mentinliveandstudioenvironments.Featuringinter-

changeablecardioid,supercardioid,omnidirectionaland

bidirectionalcapsulesforsuperiorversatility,thesmall

diaphragmoftheBeta181providessuperioraudiowith

consistent,“textbook”polarresponsesinaformfactor

smallenoughtogetclosetothesourceinthetightest

conditions.

Performance Characteristics

• Exceptionallow-frequencyreproduction

• ExtremelyhighSPLhandling

• Highoutputlevel

• Nocrossoverdistortion

• Transformeroutput

Positioning the Microphone

ThefrontofthemicrophoneismarkedbytheShurelogoonthepreampandthe

polarpatternicononthecapsule.Positionthissidetowardthesoundsource.

BETA 181

FollowthesestepstochangeBeta181capsules:

KNURLED RING

ALIGNMENT KEY

ALIGNMENT GROOVE

1.

Turnoffphantompoweranddisconnectfrom

equipment.

2. Unscrewthecapsule’sknurledringtodetachthe

preamp.

3. Slidethealignmentkeyonthebottomofthecapsule

intothegrooveonthepreamptoensurethatthe

Shurelogodisplaysthefrontofthemicrophone.

4. Tightentheknurledringtosecurelyreconnectthe

microphone.

Thefollowingtableliststhemostcommonapplicationsandplacementtechniques.Keepinmindthatmicrophonetech-

niqueislargelyamatterofpersonaltaste;thereisnoone“correct”microphoneposition.

BETA 181

Cardioid Supercardioid Omnidirectional Bidirectional

•

Drumoverheads

• Piano

•

Acousticinstruments

• PairwithaBeta181/BI

forM/Sstereotechnique

• Close-mikingin

performancesettings

• Snaredrum

• Acousticinstruments

• Roomandambient

pickup

•

Monodrumoverhead

• Stringensembles

• UseapairofBeta181/

BIforBlumleinstereo

teqhnique

•

Monodrumoverhead

• Dualsoundsources,such

asbetweentom-tomsor

acousticinstruments

Note: Aswithallbidirectionalmicrophones,soundspickedupfromthebackwillbeoutofpolaritywiththesource.

Thosefromthefrontareinpolaritywiththesource.

Beta 181/SSupercardioidMicrophone

Beta 181/OOmnidirectionalMicrophone

Beta 181/BIBidirectionalMicrophone

NOTE:Beforeeachuse,makesurethecapsuleistightly

securedonthemicrophone,asvibrationandaccidental

hitswithdrumsticksmayloosenit,resultinginsignalloss.

Produktspecifikationer

Varumärke:	Shure
Kategori:	mikrofon
Modell:	BETA 181/BI
Bredd:	124.46 mm
Djup:	20.32 mm
Höjd:	34.54 mm
Gränssnitt:	XLR-3
Modell:	Studiomikrofon
Driftspänning:	52 V
Mikrofonfrekvens:	20 - 20000 hz
Utgångsimpedans:	110 Ω
Produktens färg:	Grå
Antal produkter som medföljer:	1 styck
Mikrofonvikt:	145 g
Anslutningsteknologi:	Kabel
Mikrofon känslighet (utnivå):	-51 dB
Strömförbrukning:	2.4 mA
Mikrofon, riktning:	Rundstrålande/dubbelriktad mikrofon
Djup (imperial):	0.8 "
Höjd (imperial):	1.36 "
Bredd (imperial):	4.9 "