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TYPE 4957

ARRAY MICROPHONE (20 KHZ)

Prepolarized Array Microphone for use in systems requiring a large number of microphones, for example, beamforming arrays, STSF measurements, and non-stationary STSF measurements.

TYPE 4957

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Array MicrophoneType 4957 is used in combination with other array microphones, and is designed with specified and stable phase-matching over wide ranges of temperature and humidity.

A rugged protection grid provides an integrated heat shield. The microphone is front-vented for pressure equalization.

Measurements using:
- Spatial Transformation of Sound Fields (STSF) Type 7688
- Non-stationary STSF Type 7712
- Beamforming Type 7768
Hand-held array measurements
Simultaneous recording of time signals in medium to large microphone arrays, for example, simulated pass-by measurements
Cost-effective in-car measurements

20 kHz Array Microphone - Type 4957

Data Sheets

English

TYPE 4957
Application	Array microphones

Le préamplificateur du microphone d’antenne est de type CCLD standard industriel, permettant l’utilisation d’un seul câble coaxial économique pour le signal, l’alimentation et le TEDS.

Le microphone d’antenne est livré dans un coffret rigide, et jusqu’à six microphones supplémentaires sont livrés dans une boîte standard dédiée. Sept microphones ou plus sont livrés dans une valise multi-microphones.

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