TYPE 4966-H-041

½″ prepolarized, free-field microphone with CCLD preamplifier and BNC connector. Operates at temperatures up to 125°C.

Designed for high-precision, free-field measurement where a microphone with high sensitivity, large dynamic range and wide temperature range is required.

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USER SCENARIOS

  • Suitable for electroacoustic measurements, such as testing of loudspeakers, smart speakers, and infotainment system in vehicles 
    • Because it is a free-field microphone and has a flat frequency response
  • Suitable for measuring in high-temperatures – such as close to a motor 
    • Because it can continuously operate up to 125°C (257°F)
  • Suitable for measuring sound power of, for example, washing machines, garden tools, machinery, medical equipment, etc. 
    • Because it is a Type 1 free-field microphone fulfilling the requirements of the sound power standard IEC 61094-4 WS2F.
  • Suitable for measuring exterior noise of, for example, aeroplanes, cars, trains, etc., and infotainment systems in vehicles.
    • Because it is a free-field microphone and has a flat frequency response
  • Suitable for general purpose measurements 
    • Because it has a wide dynamic range, a wide frequency range and a wide operating temperature range

 

Capacitance
14 pF
Diameter
½"
Dynamic range
16.5 – 134 dB
Frequency range
6.3 – 20000 Hz
Inherent noise
16.5 dB A
Lower limiting frequency -3dB
3 Hz
Optimised
Free field
Polarization
Prepolarized
Polarization voltages
0 V
Pressure coefficient
-0.01 dB/kPa
Sensitivity
48.4 mV/Pa
Temperature coefficient
0.003 db/ºC
Temperature range
-20 – 125 C
Venting
Rear
Weight
gram
Sound field
Free-field
Input type
CCLD IEPE
Microphone type
Free field