An acoustic horn or waveguide is a tapered sound guide designed to provide an acoustic impedance match between a sound source and free air. This has the effect of maximizing the efficiency with which
A traditional reed bulb horn
A patent horn loudspeaker
A horn loudspeaker is a loudspeaker or loudspeaker element which uses an acoustic horn to increase the overall efficiency of the driving element. A common form consists of a compression driver which p
Horn (acoustic)
…Acoustic horns are used in: horn loudspeakers brass and woodwind musical instruments…
A midrange horn driver used in a home speaker system from Klipsch. The width of the front opening is roughly 46 cm.
Various horn prototypes in the lab of Theo Wangemann, Thomas Edison's chief horn designer. From about 1888 to 1925, a horn was used to concentrate sound waves in the process of recording onto Edison cylinders, and another horn was used to amplify the recordings during playback.
Francis Barraud's original painting of Nipper looking into an Edison Bell cylinder phonograph
A collapsible cone horn with removable flared bell. This horn was patented in 1901 for gramophone record playback.