Shure KSM44A Bedienungsanleitung

KSM44A

N108

User Guide

Le Guide de l’Utilisateur

Bedienungsanleitung

Guía del Usuario

Guida dell’Utente

ユーザーガイド

Printed in U.S.A.

www.shure.com

27A14307 (Rev. 2)

Руководство

пользователя

取扱説明書

사용자 안내서

用户指南

Multiple Polar Pattern Condenser Microphone

KSM44A

Thank you for selecting the KSM44A.

Over 85 years of audio experience has contributed to making

this one of the finest microphones available.

If you have any questions not answered in this guide, please contact Shure Applications Engineering at

847-600-8440, Monday through Friday, from 8:00 am to 4:30 pm, CST. In Europe, call 49-7131-72140.

Our web address is www.shure.com.

SHURE INCORPORATED

General Description

The Shure®KSM44A is a premium, large-diaphragm, side-address condenser microphone with multiple

polar pattern options (cardioid, omnidirectional, bidirectional). The refined and sophisticated design of

the KSM44A features an externally biased, dual 1-inch diaphragms, extensive internal pop filtering and

Prethos™ Advanced Preamplifier Technology for a ground-breaking threshold minimum of self-noise.

The KSM44A is the premier choice for the highest level of professional studio and stage performance.

Performance Characteristics

• Extended frequency response

• Low self-noise

• Exceptional low-frequency reproduction

• Can withstand high sound pressure levels (SPLs)

• High output level

• No crossover distortion

• Uniform polar response

• Superior common mode rejection and suppression of radio frequency interference (RFI)

Features

• Multiple polar patterns–cardioid, omnidirectional and bidirectional–for maximum flexibility in a

wide variety of recording applications

• Dual1inch,externallybiased,ultra-thin,2.5μm,24Karatgold-layered,lowmass,Mylar®

diaphragms provide superior frequency response

• Prethos™ Advanced Preamplifier Technology exhibits extremely low self-noise with superior

dynamic range, transient response and ultra-low distortion for transparent recording

• Premium electronic components and gold-plated internal and external connectors

• Subsonic filter eliminates rumble from mechanical vibration below 17 Hz.

• Switchable 15 dB pad for handling extremely high sound pressure levels (SPLs)

• 3-position switchable low-frequency filter helps reduce unwanted background noise or counteract

proximity effect

• Integrated three-stage “pop” protection grille reduces plosives and other breath noise

• Internal shock mount reduces handling and stand noise

Applications

The KSM44A provides superior results in any application requiring a high quality microphone. Some

typical applications are listed below.

• Voice-solo, background, voice-over or broadcasting

• Acoustic instruments such as piano, guitar, drums, percussion, strings

• Wind instruments-brass and woodwind

• Low-frequency instruments such as double bass, electric bass, kick drum

• Overhead miking-drums or percussion

• Ensembles-choral or orchestral

• Room ambience pick-up-guitar amplifier or drums

Acoustic environments and microphone placements strongly affect the sound obtained from mik-

ing a source, especially with a high-resolution microphone like the KSM44A. You may need to

experiment with placement, room treatments and polar pattern to achieve the best overall sound

for each application.

Suspension Mount

Use the supplied ShureLock®suspension mount to secure the microphone to a floor or boom stand.

Important: Thread the knurled locking ring securely to the base of the microphone. Do not overtighten.

Operation

Power Requirements

This microphone requires phantom power and performs best with a 48 Vdc supply (IEC 61938).

However, it will operate with slightly decreased headroom and sensitivity with supplies as low as 11

Vdc.

Most modern mixers provide phantom power. You must use a balanced microphone cable: XLR-to-

XLR or XLR-to-TRS.

Positioning

Position the front of the microphone, with ,

towards the desired sound source.

Selecting a Polar Pattern

The three position switch on the front of the microphone sets the polar response pattern. This

changes the microphone’s sensitivity to sounds coming from different angles.

Cardioid. Picks up sounds directly in front of the microphone and is least sensitive to those in

back. This is most commonly used in studio recording and live-sound applications.

Omnidirectional. Picks up sounds from all directions. Best for picking up room ambience and

for miking several sources simultaneously, such as an ensemble or multiple singers. The om-

nidirectional polar pattern exhibits no proximity effect.

Bidirectional. Picks up equally from the front and back of the microphone while reject-

ing sounds from the sides. Often used for stereo recording (such as mid-side and Blumlein

techniques).

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.

CAUTION: The switch produces mechanical noise which, when amplified, may damage the loud-

speakers. Turn down any loudspeakers or mute the microphone at the mixing console before using

the switch.

20 100050 100

98765432

–10

Flat Response

Low Frequency Cutoff

Low Frequency Rolloff

Selecting Low-Frequency Response

A three-position switch on the back of the microphone lets you adjust the low-frequency response.

Use the low-frequency filter to reduce wind noise, room noise, or proximity effect.

Flat response. Provides the most natural sound in

most applications.

Low frequency cutoff. Provides an 18 dB-per-octave

cutoff at 80 Hz. Helps eliminate floor rumble and low-

frequency room noise from heating and air condition-

ing systems. This setting may also be used to com-

pensate for proximity effect or to reduce low frequen-

cies that make an instrument sound dull or muddy.

Low frequency rolloff. Provides a 6 dB-per-octave

rolloff filter at 115 Hz. Use this to compensate for

proximity effect or to reduce low frequencies that

could make an instrument sound dull or muddy.

Setting Attenuation

The attenuation switch lets you reduce the signal level without altering the frequency response. This

can prevent extremely loud sounds from overloading the microphone.

0 dB For “quiet” to “normal” sound levels.

-15 dB For use with extremely loud sound sources such as drums, horns, or loud guitar cabinets.

Load Impedance

Maximum SPL capability, output clipping level, and dynamic range vary with the input load impedance

of the preamplifier to which you connect the microphone. Shure recommends a minimum input load

impedanceof1000Ω.Mostmodernmicrophonepreamplifiersmeetthisrequirement.Higherimpedance

results in better performance for these specifications.

Integral Pop Filter

The microphone grille consists of 3 separate mesh layers that act as an integral pop filter. This helps

reduce wind and breath noise. Depending on the performer, an external pop-protection screen or

windscreen may be necessary when close-miking vocalists.

SPECIFICATIONS

Cartridge Type Dual-Diaphragm, Externally-Biased Condenser

Polar Pattern Cardioid, Omnidirectional, Bidirectional

Frequency Response 20 to 20,000 Hz

Output Impedance 50Ω

Attenuator Switch 15 dB

Low-Frequency Filter Switch Flat, –6 dB/octave below 115 Hz, or –18 dB/octave below 80 Hz

Power Requirements 11–52 V DC phantom power (IEC 61938)

5.8 mA, maximum

Common Mode Rejection (10 to 100,000 Hz) >50 dB

Polarity Positive pressure on diaphragm produces positive voltage on pin 2 with

respect to pin 3

Net Weight 492 g (17.4 oz.)

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

Cardioid Omnidirectional Bidirectional

Sensitivity (open circuit

voltage, @ 1 kHz, typical) –31 dBV/Pa†(29.8 mV) –37 dBV/Pa†(14.8 mV) –36 dBV/Pa†(16.8 mV)

Self Noise (equivalent SPL,

A-weighted, typical) 4 dB SPL-A 6 dB SPL-A 7.5 dB SPL-A

Preamplifier Distortion (at 1

kHz, 94 dB SPL) <0.001%*

Signal-to-Noise Ratio** 90 dB 88 dB 86.5 dB

Clipping

Level (20 Hz

to 20 kHz, 1%

THD)

2500Ω

load 9 dBV

1000Ω

load 6 dBV

Dynamic Range

(@ 1 kHz)

2500Ω

load 130 dB 134 dB 131 dB

1000Ω

load 127 dB 131 dB 128 dB

Maximum SPL (1 kHz at

1% THD)* PAD OFF PAD ON PAD OFF PAD ON PAD OFF PAD ON

2500Ω

load 134 dB SPL 150 dB SPL 140 dB SPL 152 dB SPL 139 dB SPL 151 dB SPL

1000Ω

load 131 dB SPL 147 dB SPL 137 dB SPL 149 dB SPL 136 dB SPL 148 dB SPL

*THD of microphone preamplifier when applied input signal level is equivalent to cartridge output at specified SPL

**S/N ratio is the difference between 94 dB SPL and equivalent SPL of self noise, A-weighted

† 1 Pa=94 dB SPL

ACCESSORIES AND PARTS

Furnished Accessories

ShureLock®Cristal Elastic Shock Mount A44ASM

ShureLock®Cristal Swivel Adapter A44AM

Aluminum Carrying Case A44ASC

Protective Velveteen Pouch A44AVB

Suspension Shock Mount Elastic Cord, Cristal (contains two) RK383

Optional Accessories

Windscreen A32WS

Padded, Zippered Carrying Bag A32ZB

Popper Stopper™PS-6

Popper Stopper™Magnetic Pop Filter &

ShureLock®Rubber Suspension Shock Mount

A42PF

A42SM

Replacement Parts

Suspension Shock Mount Elastic Cord, Cristal (contains two) RK383

CERTIFICATION

Eligible to bear CE Marking. Conforms to European EMC Directive 2004/108/EC.

Meets Harmonized Standards EN55103-1:1996 and EN55103-2:1996, for residen-

tial (E1) and light industrial (E2) environments.

The Declaration of Conformity can be obtained from:

Authorized European representative:

Shure Europe GmbH

Headquarters Europe, Middle East & Africa

Department: EMEA Approval

Wannenacker Str. 28

D-74078 Heilbronn, Germany

Phone: +49 7131 72 14 0

Fax: +49 7131 72 14 14

Email: [email protected]

TYPICAL POLAR PATTERNS

COURBE DE DIRECTIVITE TYPIQUES

TYPISCHE POLARCHARAKTERISTIK

PATRONES DE CAPTACION POLAR TIPICOS

TIPICI DIAGRAMMI POLARI

指向特性

TYPICAL FREQUENCY RESPONSE

COURBE DE REPONSE TYPIQUE

TYPISCHES FREQUENZVERHALTEN

RESPUESTA DE FRECUENCIA TIPICA

TIPICA RISPOSTA IN FREQUENZA

周波数特性

-30

-25

-20

-15

-10

-5

20 100 1k 10k 20k

Bi-directional

-30

-25

-20

-15

-10

-5

20 100 1k 10k 20k

Cardioid

-30

-25

-20

-15

-10

-5

20 100 1k 10k 20k

Omnidirectional

18 0°

15 0°

12 0°

90 °

60 °

30 °

15 0°

12 0°

90°

60°

30°

–2 0 dB

–1 5 dB

–1 0 dB

–5 dB

+5 dB

18 0°

15 0°

12 0°

90 °

60 °

30 °

15 0°

12 0°

90 °

60 °

30 °

–2 0 dB

–1 5 dB

–1 0 dB

–5 dB

+5 dB

25 0 Hz

50 0 Hz

10 00 H z 10000 H z

64 00 H z

25 00 H z

18 0°

15 0°

12 0°

90 °

60 °

30 °

15 0°

12 0°

90°

60°

30°

–2 0 dB

–1 5 dB

–1 0 dB

–5 dB

+5 dB

18 0°

15 0°

12 0°

90 °

60 °

30 °

15 0°

12 0°

90 °

60 °

30 °

–2 0 dB

–1 5 dB

–1 0 dB

–5 dB

+5 dB

25 0 Hz

50 0 Hz

10 00 H z 10000 H z

64 00 H z

25 00 H z

18 0°

15 0°

12 0°

90 °

60 °

30 °

15 0°

12 0°

90°

60°

30°

–2 0 dB

–1 5 dB

–1 0 dB

–5 dB

+5 dB

18 0°

15 0°

12 0°

90 °

60 °

30 °

15 0°

12 0°

90 °

60 °

30 °

–2 0 dB

–1 5 dB

–1 0 dB

–5 dB

+5 dB

25 0 Hz

50 0 Hz

10 00 H z 10 000 Hz

64 00 H z

25 00 H z

61 cm (2 ft.)

OVERALL DIMENSIONS – DIMENSIONS

HORS TOUT

GESAMTABMESSUNGEN – DIMENSIONES

TOTALES–DIMENSIONITOTALI–寸法

55.9 mm

(2.20 IN.)

187 mm

(7.37 IN.)

SHURE Incorporated http://www.shure.com

United States, Canada, Latin America,

Caribbean:

5800 W. Touhy Avenue, Niles, IL 60714-4608,

U.S.A.

Phone: 847-600-2000

U.S. Fax: 847-600-1212

Intl Fax: 847-600-6446

Europe, Middle East, Africa:

Shure Europe GmbH, Phone: 49-7131-72140

Fax: 49-7131-721414

Asia, Pacific:

Shure Asia Limited, Phone: 852-2893-4290

Fax: 852-2893-4055

SHURE Incorporated http://www.shure.com

États-Unis, Canada, Amérique latine,

Caraïbes:

5800 W. Touhy Avenue, Niles, IL 60714-4608,

U.S.A.

Téléphone : 847-600-2000

Télécopie aux États-Unis : 847-600-1212

Télécopie internationale : 847-600-6446

Europe, Moyen-Orient, Afrique:

Shure Europe GmbH, Téléphone :

49-7131-72140

Télécopie : 49-7131-721414

Asie, Pacifique:

Shure Asia Limited, Téléphone :

852-2893-4290

Télécopie : 852-2893-4055

SHURE Incorporated http://www.shure.com

Estados Unidos, Canadá, Latinoamérica,

Caribe:

5800 W. Touhy Avenue, Niles, IL 60714-4608,

EE.UU.

Teléfono: 847-600-2000 (dentro de los

EE.UU.)

Fax: 847-600-1212

Fax internacional: 847-600-6446

Europa, Medio Oriente, Africa:

Shure Europe GmbH, teléfono: 49-7131-72140

Fax: 49-7131-721414

Asia, Pacífico:

Shure Asia Limited, teléfono: 852-2893-4290

Fax: 852-2893-4055

SHURE Incorporated http://www.shure.com

Stati Uniti, Canada, America latina, Caraibi:

5800 W. Touhy Avenue, Niles, IL 60714-4608,

U.S.A.

Numero telefonico: 847-600-2000

Fax U.S.A.: 847-600-1212

Fax internazionale: 847-600-6446

Europa, Medio Oriente, Africa:

Shure Europe GmbH, numero telefonico:

49-7131-72140

Fax: 49-7131-721414

Asia, Pacifico:

Shure Asia Limited, numero telefonico:

852-2893-4290

Fax: 852-2893-4055

Trademark Notices: The circular S logo, the stylized Shure logo, the word “Shure,” and

“ShureLock” are registered trademarks of Shure Incorporated in the United States. “Popper

Stopper” is a trademark of Shure Incorporated in the United States. “Mylar” is a registered

trademark of E.I. DuPont de Nemours and Company in the United States. These marks may

be registered in other jurisdictions.

Patent Notice: Pat. D447,131

Andere Handbücher für KSM44A

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