BRUEL & KJAER 2631 Instructions And Applications

BRUEL & KJAER 2631 Instructions And Applications

Microphone carrier system

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Microphone Carrl•r System
Typa 2631
Microphone Carrier System
Type 2631
A carrier system designed for
detection of capacitance variations
in the frequency range DC to
150 kHz. Used with a condenser
microphone input it provides an
ideal first stage processing of low
frequency pressure variations such
as sonic
bangs,
thunder storms,
short duration pulses etc.

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