horn diaphragm

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• Horn speaker — A horn speaker is a loudspeaker which uses a horn to increase the overall efficiency of the driving element, typically a diaphragm driven by an electromagnet. The horn itself is a passive component and does not amplify the sound from the driving… …   Wikipedia

• Horn (acoustic) — A horn is a tapered sound guide designed to provide an acoustic impedance match between a sound source and free air. This has the effect of maximising the efficiency with which sound waves from the particular source are transferred to the air.… …   Wikipedia

• horn — hornish, adj. hornless, adj. hornlessness, n. hornlike, adj. /hawrn/, n. 1. one of the bony, permanent, hollow paired growths, often curved and pointed, that project from the upper part of the head of certain ungulate mammals, as cattle, sheep,… …   Universalium

• horn — /hɔn / (say hawn) noun 1. a hard, projected, often curved and pointed, hollow and permanent growth (usually one of a pair, a right and a left) on the head of certain mammals, as cattle, sheep, goats, antelopes, etc. (true horn). 2. each of the… …  

• horn — [[t]hɔrn[/t]] n. 1) zool. one of the hard, keratinous, permanent, hollow, and usu. paired growths projecting from the head of certain ungulates, esp. bovids 2) zool. a similar growth, sometimes of compacted hair, as the median horn on a… …   From formal English to slang

• horn — Synonyms and related words: Klaxon, Mayday, SOS, acoustical network, aerophone, air raid alarm, alarm, alarm bell, alarm clock, alarm signal, alarum, alert, all clear, alpenhorn, alphorn, althorn, alto horn, ballad horn, baritone, bass horn,… …   Moby Thesaurus

• diaphragm horn — noun : a foghorn that produces a loud signal by the vibration of a disk diaphragm …   Useful english dictionary

• diaphragm — Synonyms and related words: IUD, abdomen, abomasum, acoustical network, bag, barrier, bay window, beerbelly, belly, birth control device, brattice, breadbasket, buffer, buffer state, bulkhead, bumper, capacitor speaker, center, cloison, coaxial… …   Moby Thesaurus

• Vehicle horn — Klaxon redirects here. For the English dance punk band, see Klaxons. A single reed bulb horn. A vehicle horn is a sound making device used to warn others of the approach of the vehicle or of its presence. Automobiles, trucks, ships, and trains… …   Wikipedia

• Train horn — Nathan model M5 locomotive air horn Train horns are audible warning devices found on most diesel and electric locomotives. Their primary purpose is to alert persons and animals to the presence of a train, especially when approaching a grade… …   Wikipedia

• Air horn — The air horn is a device designed to create an extremely loud noise. It is usually composed of a pressurized air source coupled to a horn through a valve which allows the device to be turned on and off. Air horns have been installed on large semi …   Wikipedia