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Dynamic microphone

The dynamic microphone works on the principle of electromagnetic induction, which can be simplistically imagined as a small speaker in reverse. Sound waves vibrate a diaphragm connected to a coil that moves in a magnetic field. This movement produces a weak electrical signal in the coil that exactly reproduces the original sound. Thanks to this robust and simple design, the microphone does not need any additional power supply to operate, unlike, for example, condenser microphones, which require so-called 'phantom power'. Dynamic microphones are known for their high resistance to mechanical damage and their ability to handle very high sound pressure, i.e. very loud sounds. They generally have a lower sensitivity, which means that they focus primarily on the nearby sound source and pick up less ambient noise. This is why they are often used in live performances to capture vocals and instruments, as they help reduce the risk of feedback, i.e. unpleasant squeaking. They are commonly used to pick up the sound of guitars, percussion or winds.

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