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The term loudspeaker may refer to individual transducers (also known as drivers) or to complete speaker systems consisting of an enclosure and one or more drivers.. To adequately and accurately reproduce a wide range of frequencies with even coverage, most loudspeaker systems employ more than one driver, particularly for higher sound pressure level (SPL) or maximum accuracy.
[4] In early 2015, most or all of Polk's non-technical jobs were moved from the Baltimore office to the headquarters of the parent company, Sound United, in Carlsbad, California. At that time, Polk's engineers joined with those of Definitive Technology, and the Audio and Acoustics Research and Development [ARAD] center was established in Owings ...
Denon (株式会社デノン, Kabushiki Gaisha Denon) is a Japanese electronics company dealing with audio equipment. The Denon brand came from a merger of Denki Onkyo (not to be confused with the other Onkyo) and others in 1939, but it originally started as Nippon Chikuonki Shoukai in 1910 by Frederick Whitney Horn, an American entrepreneur.
A tweeter or treble speaker is a special type of loudspeaker (usually dome, inverse dome or horn-type) that is designed to produce high audio frequencies, typically up to 100 kHz. The name is derived from the high pitched sounds made by some birds (tweets), especially in contrast to the low woofs made by many dogs , after which low-frequency ...
7.1.2 and 7.1.4 immersive sound along with 5.1.2 and 5.1.4 format adds either 2 or 4 overhead speakers to enable sound objects and special effect sounds to be panned overhead for the listener. Introduced for theatrical film releases in 2012 by Dolby Laboratories under the trademark name Dolby Atmos .
A guitar speaker cabinet is typically a wooden box that contains one or more guitar speakers. The smallest guitar cabinets have one 6.5" or 8" speaker; these are usually practice amplifier units designed for private practice. Some cabinets designed for rehearsals and small- to mid-size venues contain two 10" or 12" speakers.
In a departure from previous models, the Boom combines Squeezebox functionality with a DSP, a 30 W [6] integrated amplifier and bi-amped stereo two-way speakers to produce a self-contained device which requires only a network connection (either wired or wireless) and power.
During the early 1950s, Ampex began marketing one- and two-track machines using 1 ⁄ 4-inch (6.4 mm) tape. In May 1953 the firm announced production of two- and three-track machines on 1/4 inch tape. [11] The line soon expanded into three- and four-track models using 1 ⁄ 2-inch (13 mm) tape. In the early 1950s, Ampex moved to Redwood City ...