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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.
The Paragon is a horn-loaded, stereo speaker system within a single 9-foot-wide (2.7 m) housing. [3] It is based on a diffusion principle developed by Richard Ranger as consultant to JBL. Launched in 1957, the Paragon is the world's earliest production stereo loudspeaker for home use, [ 5 ] and also the most expensive speaker at the time. [ 2 ]
Sensurround involved the installation of large, low frequency, horn-loaded speakers which contained specially designed 18-inch Cerwin-Vega Model 189 ES drivers in custom black wood cabinets. Three horn configurations were available, Model-C (Corner), Model-W (Folded Bass Bin) and Model-M (Modular).
The multiple-entry horn (also known under the trademarks CoEntrant, Unity and Synergy horn) is a manifold speaker design; it uses several different drivers mounted on the horn at stepped distances from the horn's apex, where the high-frequency driver is placed. Depending on implementation, this design offers an improvement in transient response ...
Full-range drive units may be found in applications ranging from inexpensive multimedia loudspeakers to more costly esoteric systems, the latter often using large transmission line or horn loaded enclosures to increase low frequency output. There is an active hobbyist speaker construction group on the Web focusing on full-range drivers and ...
A transmission line loudspeaker is a loudspeaker enclosure design which uses the topology of an acoustic transmission line within the cabinet, compared to the simpler enclosures used by sealed (closed) or ported (bass reflex) designs.
Horn-loaded compression drivers can achieve very high efficiencies, around 10 times the efficiency of direct-radiating cone loudspeakers. They are used as midrange and tweeter drivers in high power sound reinforcement loudspeakers , and in reflex or folded-horn loudspeakers in megaphones and public address systems .
Its relatively low adoption in commercial speakers can mostly be attributed to the large resulting dimensions of the speaker produced and the expense of manufacturing a rigid tapering tube. The Voigt pipe was designed in 1934 by Paul G. A. H. Voigt and is also referred to as a tapered quarter-wave pipe (TQWP) or tapered quarter-wave tube (TQWT).
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