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TYPE 4189

½" PREPOLARIZED FREE-FIELD MICROPHONE

Type 4189 is designed for high-precision, free-field measurements where a microphone with high sensitivity is required. Being prepolarized, the microphone can be used with both DeltaTron and classical preamplifiers.

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TYPE 4189

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Type 4189 is our best-selling microphone for 15 years because it produces the best results in its class, and will keep doing so for decades to come, with both CCLD and classical preamplifiers. In addition, this provides great results for electroacoustic measurements like loudspeaker and microphone measurements, and has earned our customers' trust over many years.

  • Precision sound measurement
  • Premium class sound level meters
  • Equipment complying with IEC 61672 class 1
TEDS Microphones Data Sheets English
TEDS Microphones Data Sheets Japanese
FAMILY 4189
Standard IEC 61094
Sound field Free field
Polarization Classical, CCLD
Sensitivity 50 mV/Pa
Lower frequency 6.3 Hz, 20 Hz
Higher frequency 20 kHz
Lower dynamic range 15.2 dB, 16.5 dB
Higher dynamic range 146 dB, 134 dB
Diameter 1/2 inch
Venting Rear
Minimum Temperature -20 °C, -30 °C
Maximum Temperature 80 °C, 150 °C, 125 °C
Minimum Temperature -4 °F, -22 °F
Maximum Temperature 176 °F, 302 °F, 257 °F
Output signal (connectivity) Passive