Basic Countermeasures Equipment
2049M - ELECTRONIC STETHOSCOPE
The 2049M is a pocket size (1 x 3 x 5 inches) high sensitivity amplifier with switchable high and low pass filter and automatic gain control (AGC). The AGC limits the loudness of the signal reaching the headset while the filter optimizes amplifier response for various types of clock and mechanical trigger mechanisms.
Operates from a single standard 9volt battery which provides over 100 hours of operation. Unit has probe input jack and headset and recorder output jacks. There is a belt clip on the back of the amplifier. The system consists of a 2049BDA amplifier, probe, coiled cord headset, instructions and carrying case.
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