What Is Modulated Airflow Loudspeaker?

- Sep 07, 2018-

Modulated airflow loudspeaker is also known as compressed-air loudspeaker. It is a loudspeaker that uses compressed air as an energy source to modulate airflow with audio current. It consists of a gas chamber, a modulating valve, a horn and a magnetic circuit.

The compressed air flow passes through the valve through the air chamber and is modulated by the applied audio signal, so that the fluctuation of the air flow changes according to the applied audio signal, and the modulated air flow is coupled through the horn to improve the efficiency of the system. It is mainly used as a sound source for high-intensity noise environment testing or long-distance broadcasting.



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