GRAS 40AE 1/2" Prepolarized Microphone
This microphone is a general purpose 1/2" prepolarized free field microphone for general purpose acoustical measurements
Microphone specifications (full specs here):
- Open Circuit sensitivity at 250Hz 50mV / Pa
- Frequency response 3.15Hz to 20kHz +- 2dB
- Prepolarized
- Noisefloor 15dB(A)
- Upper limit 146dB at 3% distortion
Individual calibrationchart for [
]:
- sno.xxxxx (mounted on Sound Level Meter B&K 2231)
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