TYPE 4189 ½-INCH FREE-FIELD MICROPHONE

A general purpose microphone, designed for high-precision, free-field measurements where a 20 kHz microphone with high sensitivity is required.

A general-purpose workhorse designed for high-precision, free-field measurements with high sensitivity. 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.

Universally useful in almost every measurement scenario, it is especially well suited for battery operated equipment – which is why it is fitted as standard to some of our world-leading sound level meters. Our best-seller for typical electro-acoustic measurements like loudspeaker and microphone measurements, because it has earned our customers’ trust over many years.

USER SCENARIOS

  • Precision sound measurement
  • Premium class sound level meters
  • Equipment complying with IEC 61672 class 1

Contact us directly for the full range of microphones.

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About Brüel & Kjaer

Brüel & Kjaer

Brüel & Kjær Sound & Vibration Measurement A/S supplies integrated solutions for the measurement and analysis of sound and vibration. They are a world-leader in sound and vibration measurement and analysis.

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