Shure BETA 91t - Manual

Shure BETA 91t

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Table of Contents:

  • Page 3 – MODÈLE BETA 91; Hz
  • Page 5 – Halbnierencharakteristik
  • Page 6 – TYPISCHE RICHTCHARAKTERISTIKEN
  • Page 7 – MODELO BETA 91; MICROFONO DE CONDENSADOR
  • Page 9 – MODELLO BETA 91; MICROFONO SEMICARDIOIDE; Lo Shure BETA 91 è un microfono da effetto di contorno, a; Design a profilo basso, che non richiede ferramenta di; ZIONE
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MODEL BETA 91

t

HALF-CARDIOID CONDENSER

INSTRUMENT MICROPHONE

GENERAL

The Shure BETA 91

t

is a high performance condenser

microphone with a tailored frequency response designed

specifically for kick drums and other instruments. It provides

superb attack and “punch,” and delivers studio quality sound,

with minimal distortion even at extremely high sound pressure

levels.

The BETA 91 features a half-cardioid pattern (cardioid in the

hemisphere above the mounting surface) throughout its fre-

quency range to insure high gain before feedback and excel-

lent rejection of unwanted sound.

FEATURES

Frequency response shaped specifically for kick drums and

other instruments

Wide dynamic range for use in high SPL environments

Low-profile design requires no external mounting hardware

Detachable cable for easy storage

Legendary Shure quality, ruggedness, and reliability

GENERAL RULES FOR MICROPHONE USE

1.

Aim the side of the microphone marked “Shure” toward

the desired sound source and away from unwanted

sources. This may not be obvious or intuitive, since car-

dioid microphones such as the BETA 91 have narrow

pickup patterns.

2.

Place the microphone as close as practical to the desired

sound source (refer to the table below) to maximize sig-

nal-to-noise ratio.

3.

Use only one microphone to pick up a single sound

source.

4.

Use the fewest number of microphones as practical.

5.

Keep multiple microphones separated by a distance

equal to at least 3 times the distance to the nearest sound

source.

APPLICATIONS AND PLACEMENT

The most common BETA 91 application and placement

technique is listed in the following table. Keep in mind that mi-

crophone technique is largely a matter of personal taste–there

is no one “correct” microphone position.

APPLICATION

SUGGESTED

MICROPHONE

PLACEMENT

TONE QUALITY

Kick Drum

Inside drum, on a pillow

or other cushioning sur-

face, 25 to 152 mm (1 to

6 in.) from beater head.

Full, natural sound.

INTERCONNECTING CABLE

A 4.6 m (15 ft) heavy-duty cable is supplied for connecting the

BETA 91 microphone to the preamplifier. It may be desirable

for the components to be located a greater distance apart. Up

to 23 m (75 ft) of additional cable can be used between the

BETA 91 microphone and the preamplifier without signal loss.

SPECIFICATIONS

Type

Cardioid condenser (electret bias)

Frequency Response

20 to 20,000 Hz (see Figure 1)
(measured at 304.8 mm [1 ft] from a spherical sound source,

free field conditions)

Hz

dB

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7.6 cm (3 in.)

15.2 cm (6 in.)

30.3 cm (1 ft.)

60.6 cm (2 ft.)

TYPICAL FREQUENCY RESPONSE

FIGURE 1

Model Beta 91

t

User Guide

27

C

3035 (Rev.

3

)

200

5

, Shure Incorporated

Printed in U.S.A.

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Summary

Page 3 - MODÈLE BETA 91; Hz

3 MODÈLE BETA 91 MICROPHONE ÉLECTROSTATIQUE À DEMI–CARDIOÏDE POUR INSTRUMENTGÉNÉRALITÉS Le modèle BETA 91 de Shure est un microphone périphéri- que électrostatique à haut niveau de sortie pourvu d’une ré- ponse en fréquence étudiée spécifiquement conçue pour les grosses caisses et autres instruments...

Page 5 - Halbnierencharakteristik

5 MODELL BETA 91Kondensator–Instrumentenmikrofon mit Halbnierencharakteristik Das Shure BETA 91 ist Kondensator–Grenzflächenmikro- fon mit hohem Ausgangspegel, das einen speziell zugeschnit- tenen Frequenzgang für Pedaltrommeln und andere Bassin- strumente besitzt. Mit hervorragender Ansprechzeit un...

Page 6 - TYPISCHE RICHTCHARAKTERISTIKEN

6 Richtcharakteristik Halbnierenförmig (kardioid in einer Halbkugel über der Montagefläche) mit gleichförmigem Frequenzgang und Achsensymmetrie. 125 Hz 250 Hz 500, 1000 Hz 2500, 5000 Hz 6300, 10000 Hz 15000 Hz TYPISCHE RICHTCHARAKTERISTIKEN ABBILDUNG 1 Ausgangspegel (bei 1000 Hz) Leerlaufspannung: –...

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