Keywords: Horn loudspeaker animation.gif horn loudspeaker works The image shows a cross section through the center of the speaker Horn speakers are used as tweeters and midrange drivers in audio speaker systems and in public address systems A horn speaker consists of a special diaphragm loudspeaker called a compression driver A attached to a flaring horn B The driver contains a stiff metal diaphragm <font color blue > blue </font> that is vibrated by the audio signal current passing through a coil of wire <font color red > red </font> between the poles of a magnet <font color green > green </font> The diaphragm pushes against the air creating sound waves The horn couples the sound waves efficiently to the outside air increasing the acoustic impedance enabling the driver to radiate more of its power as sound waves increasing the loudness of the sound The diaphragm of the driver is larger than the entrance throat of the horn creating a high sound pressure in the horn to improve the efficiency The rate of vibration in the animation is greatly slowed down 2012-07-23 own Chetvorno cc-zero Uploaded with UploadWizard Horn speakers Horns loudspeakers Animated GIF |