BRUEL & KJAER 2204 - Effects of Electric and Magnetic Fields

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Fig. 5.8. (Continued ).
Effects of Electric and Magnetic Fields.
The sensitivity to electrostatic fields is extremely low when the protection grid
is mounted on the microphonP. The sensitivity to magnetic fields is approx -
imately 3 m V = 70 dB sound pressure level for a field strength of 50 oersted
at 50 Hz .
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