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TYPE 4953

½-INCH PRESSURE-FIELD MICROPHONE, PREPOLARIZED, 3 HZ – 10 KHZ

Pressure-field microphone designed for coupler measurements and in-cabin measurements (complying to ANSI standards) over a frequency range of 3 Hz to 10 kHz.

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TYPE 4953

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This high sensitivity pressure-field microphone optimised for pressure-field response as required in applications such as coupler measurements, or close to hard surfaces.

  • 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
TYPE 4953
Standard ANSI S1.4
Sound field Pressure field
Polarization voltage 0V
Sensitivity 50 mV/Pa
Lower limiting frequency 3 Hz
Higher limiting frequency 10 kHz
Inherent noise 16 dB(A)
Upper limiting of dynamic range 146 dB
Diameter 1/2 inch
Venting Rear
Minimum Temperature -30 °C
Maximum Temperature 150 °C
Minimum Temperature -22 °F
Maximum Temperature 302 °F