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by formerly_proven
1896 days ago
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The "pop-less" microphone switch is generally a series R-C pair, where the R is, say, 1 MOhm, and the C a few µF. The switch shorts the R out; the R charges the capacitor to the bias level when unmuted, and so shorting the R produces very little pop. The capacitor then shorts the AC audio component. XLR switches are easier, just short hot and cold, done. Works with all microphones and doesn't produce a pop, because XLR uses phantom power instead of T-power. |
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