GRAS 46AD 1/2 Inch CCP Pressure Standard Microphone Set, High Sensitivity

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GRAS 46AD 1/2" CCP Pressure Standard Measurement Microphone Set, High Sensitivity

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The 46AD is a pressure microphone set and as such optimized for acoustic measurements of the sound source in a closed coupler or the measurement of sound pressure at a boundary or wall; in which case the microphone forms part of the wall and measures the sound pressure on the wall itself.

The medium frequency range makes it ideal for general acoustic diagnostics.

A front-vented version is available, 46AD-FV 1/2" CCP Pressure Standard Microphone Set, Front Vented.


Freq range: 3.15 Hz to 10 kHz
Dyn range: 18 dB(A) to 138 dB
Sensitivity: 50 mV/Pa


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