Shure BETA57A Bedienungsanleitung

BETA57A

Instrument Microphone

The Shure supercardioid dynamic microphone, BETA57A, user guide.

Version: 3.0 (2023-C)

Shure Incorporated

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Table of Contents

BETA57A Instrument Microphone 3

General Description 3

Features 3

Applications 3

General Rules for Use 3

Applications and Placement 3

Avoiding Pickup of Unwanted Sound Sources 4

Proximity Effect 5

Specifications 5

Accessories 6

Furnished Accessories 7

Optional Accessories 7

Replacement Parts 7

Certifications 7

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•

BETA57A 

Instrument Microphone

General Description

The Shure BETA 57 A is a precision-engineered, dynamic microphone designed for professional live sound reinforcement and

studio recording. A tight, supercardioid pattern delivers high gain before feedback, maximum sound isolation, and minimum off-

axis tone coloration.

The tailored frequency response of the versatile Beta 57A accentuates the fine details of amplified and acoustic instruments,

especiallyinhighsoundpressurelevel(SPL)environments.Aprovenshockmountsystem,hardenedsteel-meshgrille,andsu-

perior build quality withstand the rigors of daily sound reinforcement.

Features

Premier live performance microphone with Shure quality, ruggedness, and reliability

Uniform supercardioid pick-up pattern for maximum gain before feedback and superior rejection of off-axis sound

Tailored frequency response specifically shaped for guitars, drums and vocals

Neodymium magnet for greater sensitivity and higher output

Advanced pneumatic shock mount system that minimizes transmission of mechanical noise and vibration

Dent-resistant steel mesh grille and enamel coated die-cast metal construction resist wear and abuse

Applications

General Rules for Use

Do not cover any part of the microphone grille with your hand, as this will adversely affect microphone performance.

Aim the microphone toward the desired sound source (such as the talker, singer, or instrument) and away from unwanted

sources.

Place the microphone as close as practical to the desired sound source.

Work close to the microphone for extra bass response.

Use only one microphone to pick up a single sound source.

For better gain before feedback, use fewer microphones.

Keepthedistancebetweenmicrophonesatleastthreetimesthedistancefromeachmicrophonetoitssource(“threeto

onerule”).

Place microphones as far as possible from reflective surfaces.

Add a windscreen when using the microphone outdoors.

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

Applications and Placement

The following table lists the most common applications and placement techniques. Keep in mind that microphone technique is

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

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Application Suggested Microphone Placement Tone Quality

Guitar & Bass Ampli

fiers

2.5 cm (1 in.) from speaker, on-axis with center of speaker

cone. Sharp attack; emphasized bass.

2.5 cm (1 in.) from speaker, at edge of speaker cone. Sharp attack; higher frequency

sound.

15 to 30 cm (6 to 12 in.) away from speaker and on-axis

with speaker cone.

Medium attack; full, balanced

sound.

60 to 90 cm (2 to 3 ft.) back from speaker, on-axis with

speaker cone. Softer attack; reduced bass.

Snare Drum 2.5 to 7.5 cm (1 to 3 in.) above rim of top head of drum. Aim

mic at drum head. Most“snap”fromdrumstick.

Tom-Toms

One mic on each tom, or between each pair of toms, 2.5 to

7.5 cm (1 to 3 in.) above drum heads. Aim each microphone

attopdrumheads.Ondoubleheadtoms,youcanalsore-

move bottom head and place a mic inside pointing up toward

top drum head.

Medium attack; full, balanced

sound.

Brass & Woodwinds

Brass:30to90cm(1to3ft.)away,on-axiswithbellofin-

strument. Bright, clear sound.

Woodwinds: 2.5 to 15 cm (1 to 6 in.) away, on-axis with

bell of instrument. Bright, clear sound.

Bell of instrument 90° off-axis from front of mic. Softer, mellow sound.

Avoiding Pickup of Unwanted Sound Sources

Asupercardioidmicrophonehasthegreatestsoundrejectionatpoints120°towardtherearofthemicrophone.Placethemi-

crophone so that unwanted sound sources, such as monitors and loudspeakers, are at these angles, not directly behind it. To

minimizefeedbackandensureoptimumrejectionofunwantedsound,alwaystestmicrophoneplacementbeforeaperfor-

mance.

Recommended Loudspeaker Locations for Supercardioid Microphones

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Proximity Effect

Unidirectional (cardioid) microphones progressively boost bass frequencies by 6 to 10 dB below 100 Hz when the microphone

is at a distance of about 6 mm (1/4 in.) from the sound source. This phenomenon, known as proximity effect, can be used to

create a warmer, more powerful sound. To prevent explosive low frequency sound during close-up use, the bass response

gradually rolls off. This provides greater control and helps the user take advantage of proximity effect.

Specifications

Type

Dynamic (moving coil)

Frequency Response

50to16,000Hz

Polar Pattern

Supercardioid

Output Impedance

290Ω

Sensitivity

at 1kHz, open circuit voltage

-51dBV/Pa(2.8mV)[1]

Weight

Net

0.275kg(0.6lbs)

Connector

Three-pin professional audio (XLR), male, balanced

Housing

Silver blue enamel-painted die cast metal with hardened, matte-finished steel mesh grille

[1] 1 Pa=94 dB SPL

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Overall Dimensions

Typical Frequency Response

Typical Polar Pattern

Wiring Diagram

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Accessories

Furnished Accessories

Microphone Clip for SM58, SM57, SM87A, BETA87A, BETA87C, PGA57, PGA58,

PGA48, PGA81 A25D

5/8" to 3/8" (Euro) Threaded Adapter 95A2050

Zippered Carrying Bag 95A2314

Optional Accessories

Black Locking Foam Windscreen for BETA57 and BETA57A A57AWS

Shock Stopper Isolation Mount A55HM

25 foot (7.5m) Triple-Flex Microphone XLR Cable with Switchcraft connectors C25E

Replacement Parts

Cartridge for BETA56, BETA56A, and BETA57A R174

Grille for BETA56A and BETA57A RK320

Plug (Connector) Assembly 90J1984

Certifications

This product meets the Essential Requirements of all relevant European directives and is eligible for CE marking.

The CE Declaration of Conformity can be obtained from: www.shure.com/europe/compliance

Authorized European representative:

Shure Europe GmbH

Headquarters Europe, Middle East & Africa

Department: EMEA Approval

Jakob-Dieffenbacher-Str. 12

75031 Eppingen, Germany

Phone: +49-7262-92 49 0

Fax: +49-7262-92 49 11 4

Email: [email protected]

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