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2. Horn (acoustic) - Wikipedia

   en.wikipedia.org/wiki/Horn_(acoustic)

   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 sound waves from the particular source are transferred to the air. Conversely, a horn can be used at the receiving end to optimize the transfer of ...

3. Horn loudspeaker - Wikipedia

   en.wikipedia.org/wiki/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(s). A common form (right) consists of a compression driver which produces sound waves with a small metal diaphragm vibrated by an electromagnet, attached to a horn, a flaring duct to conduct the sound waves to the open air.

4. List of loudspeaker manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_loudspeaker...

   Thiel Audio: United States TOA Corp. Japan U-Turn Audio: United States Vandersteen: United States Velodyne Acoustics: United States Veritone Minimum Phase Speakers: United States Vifa: Denmark Wharfedale: United Kingdom (brand) Wilson Audio: United States Wilson Benesch: United Kingdom Yamaha: Japan Yorkville Sound: Canada ZR Speaker Lab ...

5. Loudspeaker enclosure - Wikipedia

   en.wikipedia.org/wiki/Loudspeaker_enclosure

   MTX Audio loudspeaker enclosures (with rear panel reflex port tubes) which can mount 15-inch woofers, mid-range drivers and horn and/or compression tweeters. In this photo, only one driver is mounted. A cabinet with loudspeakers mounted in the holes. Number 1 is a mid-range driver.

6. Phase plug - Wikipedia

   en.wikipedia.org/wiki/Phase_plug

   Various loudspeaker designs were produced in the 1920s, including General Electric engineers Chester W. Rice and Edward W. Kellogg mating an acoustic horn to the speaker driver in 1925. [4] In 1926, Bell System engineers Albert L. Thuras and Edward C. Wente modified the horn loudspeaker by inserting the first phase plug between the driver and ...

7. Compression driver - Wikipedia

   en.wikipedia.org/wiki/Compression_driver

   A compression driver is a small specialized diaphragm loudspeaker which generates the sound in a horn loudspeaker. It is attached to an acoustic horn, a widening duct which serves to radiate the sound efficiently into the air. It works in a "compression" mode; the area of the loudspeaker diaphragm is significantly larger than the throat ...

8. Long-range acoustic device - Wikipedia

   en.wikipedia.org/wiki/Long-range_acoustic_device

   A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance. It has been used as a method of crowd control , which has caused permanent hearing damage , having an extremely high decibel capacity (up to 160 dB measured at one ...

9. Leslie speaker - Wikipedia

   en.wikipedia.org/wiki/Leslie_speaker

   Different models have different combinations of speakers, but the most common model, the 122, consists of a single woofer for bass and a single compression driver and acoustic horn for treble. [12] The audio emitted by the speakers is isolated inside an enclosure, aside from a number of outlets that lead towards either a rotating horn or drum.