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