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Type 4190 Microphone Cartridge

TYPE 4190

1/2" FREE-FIELD MICROPHONE WITH TYPE 2669-L PREAMPLIFIER, EXT. POLARIZED

Free-field microphone designed for high-precision measurements, requiring high sensitivity with a frequency response of 3 Hz to 20 kHz.

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Type 4190-L-001 is designed for high-precision free-field measurements where a microphone with high sensitivity is required.

  • Precision sound measurement
  • Premium class sound level meters
  • Equipment complying with IEC 61672 class 1
TYPE 4190
Standard IEC 61672
Sound field Free field
Polarization voltage 200V
Sensitivity 50 mV/Pa
Lower limiting frequency 3.15 Hz
Higher limiting frequency 20 kHz
Inherent noise 14.6 dB(A)
Upper limiting of dynamic range 146 dB
Diameter 1/2 inch
Venting Rear
Lower operating temperature -30 °C
Higher operating temperature 150 °C
Lower operating temperature -22 °F
Higher operating temperature 302 °F

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