How do acoustic horns work?
Horns....?
A horn usually consists of two parts. The first part is a sound emitter and the second part is a cone shaped focusing piece. The sound emitter can be piezoelectric like in a tweeter. It can also be a magnetic diaphram like in a speaker or woofer. The emitter can also take other forms. The purpose of the cone is to direct the sound made by the emitter so that most of it gets directed where it is needed.
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