Shure BETA 87C Manual

Shure Mikrofon BETA 87C

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Model BETA 87C™ User Guide

27C3109 (Rev. 4)

Printed in U.S.A.

BETA 87C™

Cardioid Condenser Microphone

The Shure BETA 87C is a high output condenser microphone

that provides touring professionals with studio-quality sound.

Vocalists who use earphone monitor systems such as the Shure

PSM® Personal Monitor System will appreciate how effectively the

BETA 87C rejects ambient sound from the rear of the microphone.

The BETA 87C maintains its cardioid pattern throughout its fre-

quency range, ensuring maximum isolation from other sound

sources and high gain before feedback. Its warm, natural sound is

the result of an exceptionally smooth frequency response that in-

cludes a slight presence rise. A controlled low-frequency roll-off

compensates for proximity effect and prevents the “boomy“ sound

often associated with close-up use.

The BETA 87C is an excellent choice for professional studio re-

cording, yet it is built to withstand the rigors of touring. It maintains

its performance characteristics even at sound pressure levels as

high as 139 dB SPL. Plus, the cartridge is protected by a proven

shock mount system. A hardened steel mesh grille with a built-in

pop filter provides added protection.

Features:

• Smooth, wide frequency response with slight presence rise

• Cardioid polar pattern for maximum isolation

• Minimal off-axis tone coloration

• Superior gain before feedback

• Low-frequency roll-off compensates for proximity effect

• Wide dynamic range (117 dB)

• Low distortion characteristics

• Very low susceptibility to RFI and electromagnetic hum

• Advanced cartridge shock-mount system absorbs mechanical

shocks and reduces handling noise

• Built-in pop filter reduces wind and breath sounds

• Shure ruggedness and reliability for years of trouble-free

performance

APPLICATION AND PLACEMENT

The BETA 87C is ideal for applications where earphone monitor

systems such as the Shure PSM® personal monitor systems are

used. Tone quality will vary, depending on how close the micro-

phone is to the sound source. Keep in mind that microphone tech-

nique is largely a matter of personal taste–-there is no one “correct”

microphone position.

General Rules for Microphone Use

1. Aim the microphone toward the desired sound source and

away from unwanted sources. Refer to Figure 1.

2. Place the microphone as close as practical to the desired

sound source. For extra bass response, work close to the

microphone. Refer to the table above.

3. Use only one microphone for each sound source.

4. Keep the distance between microphones at least three times

the distance from each source to its microphone.

5. Place microphones as far as possible from reflective surfaces.

6. Use the fewest number of microphones as is practical.

7. Add a windscreen when using the microphone outdoors.

8. Avoid excessive handling to minimize pick up of mechanical

noise and vibration.

9. Do not cover any part of the grille with your hand.

CARDIOID MICROPHONE POSITIONING

FIGURE 1

OPERATION

Power

The BETA 87C requires phantom power. This may be supplied

to the microphone from an external power supply (such as the

Shure model PS1A) or directly from preamplifiers, mixers, or con-

soles with built-in phantom power. Suitable sources should provide

11 to 52 Vdc phantom voltage.

SUGGESTED MICROPHONE

PLACEMENT

TONE QUALITY

Lips less than 15 cm (6 in.) away or

touching the windscreen, on axis to

microphone.

Robust sound, emphasized

bass, maximum isolation from

other sources.

15 to 60 cm (6 in. to 2 ft.) away from

mouth, just above nose height.

Reduced bass.

More than 60 cm (2 ft.) away. Thinner, distant sound; notice-

able levels of ambient noise.

180°

90°

0°

90°

STAGE

MONITOR

P.A.

LOUDSPEAKERS

MICROPHONE SOUND

SOURCE

Produkt Specifikationer

Mærke:	Shure
Kategori:	Mikrofon
Model:	BETA 87C

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