PAG/NAG Gain-Before-Feedback Calculator
This calculator checks whether a sound-reinforcement system has gain to spare before it feeds back. It compares needed acoustic gain (NAG) against potential acoustic gain (PAG) from the talker, microphone, and loudspeaker distances, then subtracts a penalty for the number of open mics and a feedback stability margin. Enter the five distances, the open-mic count, and the margin to get the gain headroom and a stable-or-not verdict.
This runs on the same engine as the agents
On the calculator the math stands alone. Inside Avria it runs across a whole room, cites the clause behind every call, and lands in a build-ready BOM.
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