G.R.A.S. 40AG 1/2" Ext. Polarized Pressure Microphone, High Frequency0 pages
G.R.A.S. 40AG 1/2" Ext. Polarized Pressure Microphone, High Frequency
Date 10-06-2013. Page 1 of 5
G.R.A.S. 40AG 1/2" Ext. Polarized Pressure
Microphone, High Frequency
Sensitivity: 12.5 mV/Pa
Freq resp: 3.15 Hz to 20 kHz
Dynamic range: 20 dBA to 154 dB
The 40AG is an IEC 61094 WS2P ½"
externally polarized pressure microphone with
rear-venting. It is a high-precision Type 1
condenser microphone made according to IEC
61094-4 requirements and is ideal for coupler
measurements in both laboratory and production
environments. It is extremely robust and reliable
and can measure sound pressure levels up to
160 dB within 3.15 Hz to 20 kHz.
Technology
Introduction
The 40AG is an IEC 61094 WS2P ½" externally polarized pressure microphone with rear-venting. Read
about the prepolarized equivalent [40AO]
It is a high-precision Type 1 condenser microphone made according to IEC 61094-4 requirements and is ideal
for coupler measurements in both laboratory and production environments. It is extremely robust and reliable
and can measure sound pressure levels up to 160 dB within 3.15 Hz to 20 kHz.
40AG is individually factory-calibrated and delivered with a calibration chart stating its specific open-circuit
sensitivity and pressure frequency response.
Headquarters Skovlytoften 33 • DK-2840 Holte • Denmark • Tel: +45 45 66 40 46 • Fax: +45 45 66 40 47 • E-mail: gras@gras.dk • www.gras.dk
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