G. This Headset-Microphone Kit is designed to fit both the regular and large size Combat Vehicle Crewman\'s Helmet. The electrical characteristics of the kit are compatible with Tactical Radio Systems, such as the VRC-12.

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MIL-DTL-55535A

NOTES:

1. Minimum sensitivity at 1 KHz: 103 dB minimum.

2. Impedance: 15 Ohms.

3. Sensitivity Reference: 0 dB =20 �Pa (micro-Pascal).

FIGURE 2. Earphone response limit curves.