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Popular loudspeakers included the Altec Lansing Duplex 600-series coaxial loudspeaker, studio monitors from the 1940s to the 1980s, [9] and the Altec "Voice of the Theatre" line of loudspeakers widely used in movie theaters, concert halls, and also in rock concerts from the 1960s to the 1990s, such as custom designs used at Woodstock Festival.
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.
It combined a B-215 dual 15-in low-frequency horn, a MR102 12-in mid-frequency horn and a Community BRH90 high frequency horn into one gigantic box, and was the first commercially available horn-loaded single enclosure box system. [1] In the late 1970s and 80s, EAW’s MK, FR, and KF Series loudspeaker systems were pivotal in the industry.
Western Electric Co., Inc. was an American electrical engineering and manufacturing company that operated from 1869 to 1996. A subsidiary of the AT&T Corporation for most of its lifespan, Western Electric was the primary manufacturer, supplier, and purchasing agent for all telephone equipment for the Bell System from 1881 until 1984, when the Bell System was dismantled.
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 ...
Owner of unique powder horn turns down $25,000 on 'Antiques Roadshow' Mary Kinney. Updated July 14, 2016 at 10:38 PM. ... one of the owner's ancestors. It featured soldiers, a mermaid and even a ...
A patent horn loudspeaker. Loudspeakers are often built into horn-shaped enclosures or use horns. Most often the higher-frequency elements (tweeters and midranges) use horns, sometimes with acoustic diffraction lenses to spread the sound waves in a horizontal pattern at ear-level and limit the vertical pattern. An audio driver (e.g., a speaker ...
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