GRAS 46AF 1/2 Inch LEMO Free-field Standard Microphone Set

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GRAS 46AF 1/2" LEMO Free-field Standard Measurement Microphone Set

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The 46AF is a free-field microphone set and as such optimized for all acoustic applications, where the location of the main sound source is known and the microphone can be pointed directly at it ensuring 0° incidence.

The medium frequency makes it ideal for general diagnostics.

Regarding temperature range, see the Specifications. Should higher temperature limits be required, we recommend considering  the GRAS probe microphones where the microphone and preamplifier can be isolated from the hot source.


Freq range: 3.15 Hz to 20 kHz
Dyn range: 17 dB(A) to 149 dB
Sensitivity: 50 mV/Pa
Use: For general acoustic diagnostics

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