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Shure SM87A Guia De Inicio Rapido
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Shure SM87A Guia De Inicio Rapido

Shure SM87A Guia De Inicio Rapido

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SM87A
SUPERCARDIOID CONDENSER MICROPHONE
The Shure Model SM87A is a professional-quality, hand-
held condenser microphone for use in sound reinforcement,
broadcasting, and studio recording installations. Its super-
cardioid polar pattern provides greater rejection of unwanted
sound sources, making it ideal for miking individual
instruments in a multi-microphone setting or for miking
single sources in a reverberant or noisy environment.
The SM87A features a controlled low-frequency roll-off tai-
lored for optimum performance when close-miking sound
sources. An integral three-stage wind and pop filter protects
against wind and breath noise. Its built-in shock mount re-
duces stand and handling noise. The SM87A operates on
phantom power.
Features
Highly directional supercardioid pickup pattern
•
Controlled low-frequency roll-off
•
Very low RF and magnetic hum susceptibility
•
Minimally affected by varying load impedance
•
Built-in wind and pop filter
•
Transducer element shock mounted
•
Rugged construction for outstanding reliability
•
Field-usable over a wide range of temperature and
•
humidity conditions
Accepts a wide variety of phantom power sources, in-
•
cluding DIN 45 596 voltages of 11 and 52 Vdc
2003, Shure Incorporated
27B2964 (CC)
Model SM87A User Guide
APPLICATION AND PLACEMENT
Some of the most common applications and placement tech-
niques are listed in the following table. Keep in mind that micro-
phone technique is largely a matter of personal taste—there is
no one "correct" microphone position.
SUGGESTED MICROPHONE
PLACEMENT
Lips less than 15 cm (6 in.) away or
touching the windscreen, on axis to
microphone.
15 to 60 cm (6 in. to 2 ft.) away from
mouth, just above nose height.
20 to 60 cm (8 in. to 2 ft.) away from
mouth, slightly off to one side.
.90 cm to 1.8 m (3 to 6 ft) away.
General Rules for Microphone Use
1. Aim the microphone toward the desired sound source and at
a 125° angle away from unwanted sources. Don't place un-
wanted sound sources directly to the rear of the microphone
since supercardioid microphones, such as the SM87A, have
a narrow pick up range at about 180°. Refer to Figure 1.
2. Place the microphone as close as practical to the desired
sound source. 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 sur-
faces.
6. Work close to the microphone for extra bass response.
7. Use the fewest number of microphones as is practical.
8. Add a windscreen when using the microphone outdoors.
9. Avoid excessive handling to minimize pick up of mechanical
noise and vibration.
10. Do not cover any part of the grille with your hand.
o
180
o
o
125
125
o
90
o
90
o
180
o
0
CORRECT
POSITIONING UNWANTED SOUND SOURCES
TONE QUALITY
Robust sound, emphasized
bass, maximum isolation from
other sources.
Natural sound, reduced bass.
Natural sound, reduced bass
and minimal "s" sounds.
Thinner, distant sound; notice-
able levels of ambient noise.
180
o
90
o
o
90
0
o
125
o
90
0
CORRECT
INCORRECT
FIGURE 1
Printed in U.S.A.
o
o
90
o

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  • Página 1 7. Use the fewest number of microphones as is practical. against wind and breath noise. Its built-in shock mount re- duces stand and handling noise. The SM87A operates on 8. Add a windscreen when using the microphone outdoors. phantom power.
  • Página 2 Wind Noise *S/N ratio is difference between 94 dB SPL and equivalent SPL of self– noise A-weighted. The SM87A has an integral wind and pop filter which provides CERTIFICATION excellent protection against most wind and breath noise. Under adverse conditions, such as high winds or close proximity to a Eligible to bear CE Marking.
  • Página 3 à configuration su- la radiodiffusion et les studios d’enregistrement. Sa courbe percardioïde, comme le SM87A, ont une gamme de cap- de directivité à configuration supercardioïde procure un plus tage étroite à environ 180°. Se reporter à la figure 1 .
  • Página 4 Bruits de vent Alimentation Spécification de l’alimentation en duplex 11 à 52 V c.c., Le SM87A est doté d’un filtre coupe–vent et «pop» qui of- fre une excellente protection contre la plupart des bruits de positifs aux bornes 2 et 3 vent et de respiration.

  • Página 5: Technische Eigenschaften

    Profiqualität zur Verwendung bei Beschallungs–, Mikrofon aufstellen, da Supernieren–Mikrofone, wie das Rundfunk– und Tonstudioaufzeichnungsanlagen. Seine Su- SM87A, einen engen Aufnahmebereich von etwa 180° auf- pernieren–Richtcharakteristik bewirkt größere Unterdrük- weisen. Siehe Abbildung 1. kung unerwünschter Schallquellen, wodurch es ideal für Mi- 2.
  • Página 6 Windgeräusche Stromversorgung Erforderliche Phantomspeisespannung 11 bis 52 Volt Das SM87A verfügt über einen integrierten Wind– und Gleichspannung, positiv an beiden Pins 2 und 3 Popfilter, der ausgezeichneten Schutz vor den meisten Stromentnahme .....
  • Página 7 1. Apunte el micrófono hacia la fuente sonora deseada y a un ángulo de 125° de las fuentes no deseadas. No coloque El modelo SM87A de Shure es un micrófono de conden- las fuentes sonoras no deseadas directamente ”detrás” sador de mano de calidad profesional para uso con siste- del micrófono, ya que los micrófonos de supercardioide,...

  • Página 8: Especificaciones

    ..11 a 52 VCC, El SM87A tiene un filtro incorporado que proporciona pro- positivo en las clavijas 2 y 3 tección excelente contra la mayor parte de los ruidos del Consumo de corriente .
  • Página 9 SM87A, hanno uno stretto campo di rice- plificazione sonora, radiodiffusione e in studi di registrazione. zione, pari a circa 180°. Fate riferimento alla Figura 1.
  • Página 10 Rumore del vento Polarità Una pressione positiva sul diaframma produce una ten- Il SM87A è dotato di un filtro fonoassorbente e antischioc- sione positiva sul piedino 2 rispetto al piedino 3 co integrale che garantisce un’ottima protezione contro i ru- mori causati dal vento e dalla respirazione.
  • Página 11 Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á...
  • Página 12 SHURE Incorporated Web Address: http://www.shure.com 5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A. Phone: 800-257-4873 Fax: 847-866-2279 In Europe, Phone: 49-7131-72140 Fax: 49-7131-721414 In Asia, Phone: 852-2893-4290 Fax: 852-2893-4055 Elsewhere, Phone: 847-866-2200 Fax: 847-866-2585...