Shure SM94 Guia Del Usuario
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Shure SM94 Guia Del Usuario

Shure SM94 Guia Del Usuario

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MODEL SM94
UNIDIRECTIONAL
PHONE
The Model SM94 is a unidirectional electret condenser
microphone tailored to the instrument miking needs of pro-
fessional musicians and sound engineers in both live per-
formance and sound recording. Its smooth, flat frequency
response is free of either a "presence peak" or a low-fre-
quency rolloff, making it a perfect choice for all types of mu-
sical instruments. The SM94 is equally at home in sound
reinforcement systems or in sound studios and motion pic-
ture/TV scoring stages. When used with the optional wind-
screen, the SM94 can be used by vocalists and speech-
makers who desire a wide, flat response with minimum
coloration.
The SM94 can be powered by any phantom power
source, or by an internal 1.5-volt AA battery. The battery,
which serves as a backup power source in the event of
phantom power failure, can provide up to 5,000 hours of
continuous operation.
The SM94 is supplied with a swivel adapter for use on a
microphone stand, boom or gooseneck, and a zippered vi-
nyl storage bag. Model SM94-LC is supplied without a
cable.
Accessories include a foam windscreen (A3WS), two-
channel phantom power supply (PS1A), and 7.6 m (25 ft.)
microphone cable (C25J).
Features
Wide, flat response for optimum musical instrument
•
sound reproduction
Full spectrum sound—no presence peak or low-end
•
rolloff
Cardioid polar pattern that is uniform with frequency
•
and symmetrical about axis for maximum rejection of
unwanted sound and minimum of-axis coloration
Very low susceptibility to RF and electromagnetic hum
•
Low distortion output and wide dynamic range for vari-
•
ety of load impedances
Shock–mounted cartridge for reduced handling noise
•
2003, Shure Incorporated
27B2689 (CA)
CONDENSER
MICRO-
Model SM94 User Guide
Accepts 12 to 48 Vdc phantom power
•
Rugged all–metal construction
•
Usable over wide range of environmental conditions
•
Built–in battery power backup
•
Optional foam windscreen
•
SPECIFICATIONS
Type
Cardioid condenser (electret bias)
Frequency Response
40 to 16,000 Hz (see Figure 1)
TYPICAL FREQUENCY RESPONSE
FIGURE 1
Polar Pattern
Cardioid (unidirectional)—uniform with frequency, sym-
metrical about axis (see Figure 2)
TYPICAL POLAR PATTERNS
FIGURE 2
Printed in U.S.A.
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  • Página 1 5,000 hours of FIGURE 1 continuous operation. The SM94 is supplied with a swivel adapter for use on a Polar Pattern microphone stand, boom or gooseneck, and a zippered vi- Cardioid (unidirectional)—uniform with frequency, sym- nyl storage bag.

  • Página 2: Battery Operation

    ..– 29_ to 74_ C (–20_ to 165_ F) CIRCUIT DESCRIPTION A block diagram of the SM94 is shown in Figure 4. The Operating ..– 6.7_ to 49_ C capacitor cartridge is followed by an impedance converter (20_ to 120_ F) stage.

  • Página 3: Furnished Accessories

    150 Ω for connection to microphone inputs of 150 Ω or higher. The open circuit voltage shall be –49 dBV/ Due to the circuit complexity of the SM94, only basic ser- Pa (3.5 mV) dB equals 1 volt per Pascal).
  • Página 4 Bruit de sortie (Niveaux de pression acoustique équivalents mesurés avec voltmètre RMS réel) Net: 250 grammes 22 dB Type, Pondéré A Emballé: SM94–LC: 957 grammes 26 dB Type, Pondéré DIN 45 405 Homologation Dynamique Autorisé à porter la marque CE. Conforme à la directive 111 dB (fantôme);...

  • Página 5: Technische Daten

    Type 12 à 48 Volts continus. Kondensator–Mikrofon auf Electret–Basis De plus, le SM94 peut être alimenté par une pile alcaline Frequenzbereich de 1,5 volt (IEC type LR6). La pile sert aussi d’alimentation 40 ... 16 000 Hz (siehe Abb. 1) de secours en cas de panne de I’alimentation fantôme.
  • Página 6 System·Kapazität 24 pF PS1A PHANTOMSPANNUNGS-SPEISETEIL Leistungsverbrauch Das SM94 wird mit einem 3–adrigen Kabel mit XLR– Phantom– (Simplex–) Betrieb Steckern mit dem Speiseteil verbunden. Der Ausgang des Betriebsspannung: 11 bis 52 V DC (+)Stift 2 u. 3 Speiseteils wird ebenfalls mit einem 3–adrigen XLR–Kabel Stromaufnahme: 2,0 mA mit dem niederΩigen Mischpulteingang verbunden.

  • Página 7: Especificaciones

    Peso Nivel de corte (a 1,000 Hz) Neto: 250 gramos Carga de 800 Ω: –18 dBV (0,13V) (fantasma, 3% de dis- Embalado: SM94–LC: 949.7 gramos torsión armónica); –21 dBV (89 mV) (pila, 3% de distor- Certificaiones sión armónica) Califica para llevar las marcas CE. Cumple la directiva SPL máximo (a 1 000 Hz)

  • Página 8: Operacion

    Cuando se cualquier fuente de alimentación que provea de 12 a 48 utiliza el SM94 al aire libre, en un día de mucho viento, o V.c.c. en modo fantasma. adentro, próximo a fuertes corrientes de aire tal como un equipo ventilador, o como un micrófono vocal en cualquier...

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