User Manual- Model BETA 58A

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Model BETA 58A

User Guide

27C2796 (Rev. 5)

Printed in U.S.A.

MODEL BETA 58A

SUPERCARDIOID DYNAMIC

VOCAL MICROPHONE

GENERAL

The Shure BETA 58A is a high-output, supercardioid dynamic vo-

cal microphone for professional sound reinforcement and project

studio recording. It maintains a true supercardioid pattern through-

out its frequency range. This ensures high gain before feedback,

maximum isolation from other sound sources, and minimum off-

axis tone coloration.

The BETA 58A has a shaped frequency response that is ideal for

close-up vocals. The superb performance of this microphone is not

affected by rough handling because of its rugged construction,

proven shock mount system, and hardened steel mesh grille. Typ-

ical applications for the BETA 58A include lead vocals, backup vo-

cals and speech.

FEATURES:

• Frequency response tailored for vocals, with brightened

midrange and bass rolloff to control proximity effect

• Uniform supercardioid pattern for high gain before

feedback and superior rejection of off-axis sound

• Neodymium magnet for high signal-to-noise output

• Hardened steel mesh grille that resists wear and abuse

• Advanced pneumatic shock mount system that minimizes

transmission of mechanical noise and vibration

• Minimally affected by varying load impedance

• Legendary Shure quality and reliability

APPLICATION AND PLACEMENT

The BETA 58A is designed for close-up vocals, and can be hand

held or mounted on a stand. Some of the most common applica-

tions and placement techniques are listed in the following table.

Keep in mind that microphone technique is largely a matter of per-

sonal taste; there is no one "correct" microphone position.

GENERAL RULES FOR MICROPHONE USE

• Aim the microphone toward the desired sound source and

away from unwanted sources. Since supercardioid

microphones such as the BETA 58A have narrow pickup

patterns and can pick up sounds from the rear, this may

not be obvious or intuitive.

• Place the microphone as close as practical to the desired

sound source. Refer to the table above.

• Work close to the microphone for extra bass response.

• Use only one microphone to pick up one sound source.

• Keep the distance between microphones at least three

times the distance from each source to its microphone.

• Use the fewest number of microphones as is practical.

• 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.

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

PROXIMITY EFFECT

Unidirectional microphones such as the BETA 58A progressively

boost bass frequencies by 6 to 10 dB at 100 Hz when the micro-

phone 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 BETA 58A bass re-

sponse gradually rolls off. This provides greater control and helps

the user take advantage of proximity effect.

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.

Natural sound, reduced bass.

20 to 60 cm (8 in. to 2 ft.) away

from mouth, slightly off to one side.

Natural sound, reduced bass and

minimal "s" sounds.

90 cm to 1.8 m (3 to 6 ft.) away. Thinner, distant sound; noticeable

levels of ambient noise.

Summary of content (12 pages)

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Model BETA 58A® User Guide MODEL BETA 58A® SUPERCARDIOID DYNAMIC VOCAL MICROPHONE APPLICATION AND PLACEMENT The BETA 58A is designed for close-up vocals, and can be hand held or mounted on a stand. Some of the most common applications and placement techniques are listed in the following table. Keep in mind that microphone technique is largely a matter of personal taste; there is no one "correct" microphone position.
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STAGE MONITOR & P.A. LOUDSPEAKER PLACEMENT Output Level (at 1,000 Hz) Open Circuit Voltage: -51.5 dBV/Pa* (2.6 mV) For maximum rejection of unwanted sound, place the stage monitor(s) or P.A. system loudspeaker at a 60° angle from the rear of the BETA 58A, not directly behind it. Always check out the stage setup before a performance to ensure that microphone and monitor placement is optimum.
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MODÈLE BETA 58A® MICROPHONE VOCAL DYNAMIQUE SUPERCARDIOÏDE RÈGLES GÉNÉRALES D'UTILISATION DE MICROPHONES • GÉNÉRALITÉS Le Shure BETA 58A est un microphone vocal dynamique supercardioïde conçu pour la sonorisation professionnelle et les enregistrements en studio. Il maintient une configuration supercardioïde réelle dans toute sa gamme de fréquences. Ceci assure un gain élevé avant Larsen, une isolation maximum des autres sources sonores et un minimum de coloration de tonalité hors axe.
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CARACTÉRISTIQUES Adaptateur de pied réglable, verrouillable À emboîtement, incassable, réglable à travers 180° avec filet standard de 5/8"-27. fini noir Dimensions Type Dynamique (bobine mobile) Courbe de réponse 50 à 16 000 Hz REMARQUE : la courbe ci-dessous montre la réponse en axe à une distance de 60 cm d'une source sonore uniforme. La courbe de réponse peut varier en fonction du placement du microphone. 50 mm (2 in.) +20 3 mm (1/8 in) 25 mm (1 in) 51 mm (2 in) 606 mm (2 ft) dB +10 160 mm (6.
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MODELL BETA 58A® DYNAMISCHES SUPERNIEREN-TAUCHSPULMIKROPHON FÜR SPRACHAUFNAHMEN ALLGEMEINE REGELN FÜR DEN MIKROPHONGEBRAUCH • ALLGEMEINES • Beim Shure BETA 58A handelt es sich um ein dynamisches Supernieren-Tauchspulmikrophon für Sprachaufnahmen mit hoher Ausgangsleistung, das für professionelle Tonverstärkung und Tonstudioaufnahmen entwickelt wurde. Seine echte Supernierencharakteristik erstreckt sich über den gesamtenFrequenzbereich.
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AUFSTELLUNG DER BÜHNENLAUTSPRECHER UND LAUTSPRECHER FÜR BESCHALLUNGSANLAGEN Ausgangspegel (bei 1000 Hz) Leerlaufspannung: -51,5 dBV/Pa* (2,6 mV) Zur maximalen Unterdrückung unerwünschter Töne den bzw. die Bühnenlautsprecher oder den bzw. die Lautsprecher der Beschallungsanlage in einem Winkel von 60° zur Rückseite des BETA 58A, nicht direkt dahinter aufstellen.
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MODELO BETA 58A® MICROFONO DINAMICO SUPERCARDIOIDE PARA VOCALISTAS REGLAS GENERALES DE USO DE MICROFONOS • GENERALIDADES El Shure BETA 58A es un micrófono dinámico de supercardioide para vocalistas con señal de salida de alta intensidad diseñado para uso en refuerzo de sonido profesional y en estudios de grabación. Mantiene un verdadero patrón supercardioide en toda su gama de frecuencias.
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ESPECIFICACIONES Adaptador para pedestal ajustable Ajustable a través de 180° , irrompible, con rosca estándar de 5/8"-27 y acabado en negro Dimensiones Tipo Dinámico (bobina móvil) Respuesta de frecuencia 50 a 16.000 Hz NOTA: La curva abajo ilustrada muestra la respuesta de una fuente sonora uniforme colocada en el eje de captación a una distancia de 0,6 m. La respuesta obtenida en la práctica variará según la posición del micrófono. 50 mm (2 in.
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MODELLO BETA 58A® MICROFONO VOCALE DINAMICO A SUPERCARDIOIDE REGOLE GENERALI PER L'USO DEL MICROFONO • INTRODUZIONE Il modello BETA 58A della Shure è un microfono vocale dinamico a supercardioide ad uscita elevata, realizzato per applicazioni in studi di registrazione ed impianti di amplificazione professionali.
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DATI TECNICI Adattatore regolabile per supporto A innesto, senza slittamento, infrangibile, regolabile per 180_ con filettatura standard 5/8"-27, finitura nera Dimensioni Tipo Dinamico (bobina mobile) Risposta in frequenza Da 50 a 16.000 Hz NOTA: il grafico che segue mostra la risposta lungo l'asse ad una distanza di 60 cm da una sorgente sonora uniforme. In una specifica applicazione la risposta può variare, a seconda della posizione del microfono. 50 mm (2 in.) +20 +10 dB 160 mm (6.5 in.
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