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Type 4950 microphone

TYPE 4950

½-INCH FREE-FIELD MICROPHONE, PREPOLARIZED (IEC 6172 CLASS 1)

Free-field microphone designed for accurate sound measurements (IEC 61672 Class 1 and ANSI S 1.4 Type 1) over a frequency range of 6.5 Hz to 16 kHz.

Code Standard Sound field Polarization voltage Sensitivity Lower limiting frequency Higher limiting frequency Inherent noise Upper limiting of dynamic range Diameter Venting Lower operating temperature Higher operating temperature Lower operating temperature Higher operating temperature
-4950--- IEC 61672 Free field 0V 50 mV/Pa 6.5 Hz 16 kHz 15 db_a 142 dB 1/2 inch Rear -30 °C 100 °C -22 °F 212 °F

This prepolarized, free-field ½-inch microphone is specially designed for equipment intended for accurate and reliable sound measurements in accordance with IEC 61672 Class 1 and ANSI S 1.4 Type 1.

  • Sound measurements according to IEC 61672 and ANSI S 1.4 – 1983
  • Cost-effective sound measurements
  • ideal for cost-effective, portable instruments intended for use under different conditions including humid and polluted atmospheres.

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