Microphone level

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The level or voltage of a signal produced by a microphone.

Typically mic-level signals are considerably lower than line-level signals, so a pre-amplifier must be used to boost their output. In dynamic microphones the output of their built-in preamplifier is high enough not to require any more boosting.

Condenser microphones need 48v (Phantom Power) to power the microphone pre-amp.


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