Shure KSM42 Manuel utilisateur

KSM42

User Guide

Le Guide de l’Utilisateur

Bedienungsanleitung

Guía del Usuario

Guida dell’Utente

Printed in U.S.A.

www.shure.com

27A32159 (Rev. 1)

CARDIOID CONDENSER MICROPHONE

KSM42

Thank you for selecting the KSM42.

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 49-7262-92490.

Our web address is www.shure.com.

SHURE INCORPORATED

General Description

This premium side-address, cardioid condenser microphone features a large dual-diaphragm optimized for

world-class vocal recording and performance applications. With a tailored frequency response and extensive

internal and external pop filtering, the single-pattern, dual-diaphragm design of the KSM42 exhibits an

exceptionally smooth frequency response and ultra-wide dynamic range. The KSM42 is the premier choice for

capturing sophisticated and intimate vocal performances.

Performance Characteristics

• Consistent frequency response, irrespective of distance

• High output level

• Extensive pop filtering protection system (internal and external)

• High input SPL capability

• Ultra-low distortion

• Uniform polar response

• Superior common mode rejection and suppression of radio frequency interference

Features

• Highly consistent cardioid polar pattern creates a broad “sweet spot” and natural off-axis response

• Dual-diaphragm design with an active front, ultra thin (2.5 micron) 24-karat gold, low mass, 1-inch Mylar®

diaphragm

• Passive back diaphragm delivers exceptional control of low frequency proximity effect

• Tailored low-frequency roll-off minimizes low frequency room noise

• Integrated three-stage mesh grille guards against wind and breath noise—magnetic pop filter attachment

for additional pop protection

• Open cage ShureLock®rubber suspension shock mount with low-profile magnetic pop filter produces a

natural space between performer and microphone

• Extremely low self noise for critical studio vocal recording

• 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

• Durable zinc die-cast housing and hardened low carbon steel grille

• Internal shock mount to reduce unwanted handling and stand noise

Applications

The KSM42 is designed primarily for:

• Solo and backing vocals

• Voice-overs

• Speech

Secondary uses might include:

• Ensembles—choral or orchestral room ambiance pick-up

• Acoustic instruments—piano, guitar, and stringed instruments

• Wind instruments—brass and woodwinds

Suspension Mount

Use the supplied ShureLock®rubber 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.

Power Requirements

This microphone requires phantom power and performs best with a 48 Vdc supply (IEC-268-15/DIN 45 596).

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.

OPERATION

Positioning

Position the front of the microphone, with , towards the desired sound source. Position the rear of

the microphone, with the vintage circle S logo, towards any unwanted sound sources.

Pop Filter

An integrated three-stage mesh grille guards against wind and breath noise. Use the included pop filter

accessory for additional protection against breath and “plosive” noises. The pop filter magnetically attaches to

the front of the shockmount ring.

Reduction of Proximity Effect

To counter proximity effect, the KSM42 uses two diaphragms, one active and one passive, to create an

acoustic phase shift at the rear of the microphone. This produces a broad “sweet spot” of uniform low-

frequency response, allowing the performer to move closer or further from the microphone with minimal

changes in sound quality.

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20 100 1k 10k 20k

Vocalist at 2 feet

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20 100 1k 10k 20k

Vocalist at 6 inches

SPECIFICATIONS

Transducer Type Dual-Diaphragm, Front-Active, Externally Biased Condenser

Frequency Response 60 to 20,000Hz

Polar Pattern Cardioid

Output Impedance 147 Ω

Sensitivity

(at 1 kHz, open circuit voltage)

−37 dBV/Pa (14.1 mV)

1 Pascal=94 dB SPL

Maximum SPL

(1 kHz at 1% THD)

1000 Ω load: 139 dB

2500 Ω load: 139 dB

THD of microphone preamplifier when applied input signal is equiva-

lent to cartridge output at specified SPL

Signal-to-Noise Ratio

(referenced at 94 dB SPL at 1

kHz)

86 dB

S/N ratio is difference between 94 dB SPL and equivalent SPL of self

noise, A-weighted

Dynamic Range

(at 1 kHz)

1000 Ω load: 131 dB

2500 Ω load: 131 dB

Common Mode Rejection

(10 Hz to 100 kHz)

> 60 dB

Clipping Level

(20Hz-20 kHz at 1% THD)

1000 Ω load: 6.5 dBV

2500 Ω load: 8 dBV

Self Noise

(typical, equivalent SPL,

A-weighted)

8.5 dB

Polarity Positive pressure on diaphragm produces positive voltage on pin 2

with respect to pin 3

Weight Net: 494 g

with shock mount and pop filter: 820 g

Connector Three-pin professional audio (XLR), male

Power Requirements 11 to 52 Vdc phantom, 6 mA

ACCESSORIES AND PARTS

Furnished Accessories

Magnetic Pop Filter A42PF

ShureLock®Rubber Suspension Shock Mount A42SM

Carrying Case AK42C

Protective Velveteen Pouch A42VB

Suspension Mount O-rings (4) A42OR

Optional Accessories

Windscreen A32WS

Padded, Zippered Carrying Bag A32ZB

Swivel Stand Mount A32M

Replacement Parts

Suspension Mount O-rings (4) A42OR

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 residential (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

akob-Dieffenbacher-Str. 12

75031 Eppingen, Germany

Phone: 49-7262-92 49 0

Fax: 49-7262-92 49 11 4

Email: [email protected]

OVERALL DIMENSIONS – DIMENSIONS

HORS TOUT

GESAMTABMESSUNGEN – DIMENSIONES

TOTALES – DIMENSIONI TOTALI – 寸法

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

-35

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-20

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-5

20 100 1k 10k 20k

180°

150°

120°

90°

60°

30°

150°

120°

90°

60°

30°

–20 dB

–15 dB

–10 dB

–5 dB

+5 dB

180°

150°

120°

90°

60°

30°

150°

120°

90°

60°

30°

–20 dB

–15 dB

–10 dB

–5 dB

+5 dB

250 Hz

500 Hz

1000 Hz 10000 Hz

6400 Hz

2500 Hz

55.9 mm

(2.2 in.)

185.4 mm

(7.3 in.)

KSM42

110 mm

(4.4 in.)

220.7 mm

(8.7 in.)

133.3 mm

(5.3 in.)

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