Vac Audio | Cable
This guide covers the technical definition, common uses, wiring diagrams, and how to choose the right one.
It supports:
A VAC cable is designed to work with intercom systems or radios that support voice activation (VOX). The cable often houses a specific impedance matching circuit or a switching mechanism (like a Push-To-Talk button) that bridges the microphone audio signal to ground when silent, preventing static or background noise from transmitting. vac audio cable
Building a VAC cable (e.g., converting a computer headset for aviation use) is possible but requires soldering skills. This guide covers the technical definition, common uses,