TYPE 4953
½-inch pressure-field microphone, 3 Hz-10 kHz, prepolarized
Designed for coupler measurements and in-cabin measurements. Suitable for measurements to ANSI standards.
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This high sensitivity microphone is optimised for pressure-field response as required in applications such as coupler measurements. A good diffuse-field response also makes it well-suited for in-cabin noise measurements up to 10 kHz.
USE SCENARIOS
- Coupler measurements
- Hearing aid testing
- Telephone testing
- In-cabin measurements
- Measurements to ANSI standards
- measurements to be made close to hard reflective surfaces or inside closed couplers
- High humidity environments
- Capacitance
- 14.6 pF
- Diameter
- 1/2
- Dynamic range
- 16 – 146 dB
- Frequency range
- 3 – 10000 Hz
- Inherent noise
- 16 dB A
- Lower limiting frequency -3dB
- 2.4 Hz
- Optimised
- Pressure Field
- Polarization
- Prepolarized
- Polarization voltages
- V
- Pressure coefficient
- -0.008 dB/kPa
- Sensitivity
- 50 mV/Pa
- Standards
- IEC 61094-4 WS2P
- Temperature coefficient
- -0.006 db/ºC
- Temperature range
- -30 – 150 C
- Venting
- Rear
- Weight
- gram
- Sound field
- Pressure-field
- Microphone type
- Pressure Field

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