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Type 4943

TYPE 4943

½" DIFFUSE-FIELD / RANDOM INCIDENCE MICROPHONE

Externally polarized, diffuse-field microphone designed for random-incidence measurements over 3.15 Hz to 10 kHz, and is approved for noise measurements in accordance with ANSI standards.

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
-4943--- ANSI S1.4 Diffuse field 200V 50 mV/Pa 3.15 Hz 10 kHz 15.5 db_a 148 dB 1/2 inch Rear -40 °C 150 °C -40 °F 302 °F

Type 4943 is optimised for general, random-incidence measurements and for noise measurements in accord?ance with ANSI standards. Being externally polarized, it must be used with a classical preamplifier

  • Diffuse-field / Random incidence measurements
  • In-car measurement
  • High humidity environments

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