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Realistic was a private label consumer electronics brand produced by RadioShack. Initially only a home audio equipment brand, its product line expanded to include CB radios , walkie-talkies , and video camcorders by the 1980s.
Gregory Clark Mackie was born on September 22, 1949, in Mukilteo, Washington to parents Clair and Nathalia Mackie. His father Clair served as a ham radio operator in World War II and remained active in ham radio clubs the rest of his life, [1] exposing his son Greg to scores of electronic catalogs and parts at an early age.
Goodmans Industries was founded in either 1923, [1] 1925, [2] or 1926, [3] in Wembley, Middlesex. [2] The company started as a manufacturer of loudspeakers for public address systems. The company was sold in 1959 to Relay Exchanges Ltd and through a series of sales and mergers ended up under ownership of Radio Rentaset Ltd, Thorn-EMI plc, and ...
The tweeters (one per speaker) use horn-loaded compression. The woofers and mids use lightweight fibre cones with ceramic magnets and ventilated aluminium coils. The cabinets were made out of wood and were marketed for bass reflex. The cabinets have modular front baffles made from styrofoam (polystyrene) with open-weave steel-mesh grilles.
The Realistic Concertmate MG-1 is an analog synthesizer co-developed by Tandy and Moog Music as a basic, low-priced synthesizer to be sold by Radio Shack under their "Realistic" brand. With estimated unit sales of 23,000 from 1982 to 1983, the MG-1 became the best-selling synthesizer ever manufactured by Moog Music, [ 2 ] and is one of the most ...
Mark Levinson Audio Systems Ltd. (MLAS) was founded 1972 in Woodbridge, Connecticut (a suburb of New Haven) by Mark Levinson.Original MLAS products were designed by John Curl (Hence the JC abbreviation to many of the early products) under the supervision of Mark Levinson, with a team of associates.
7.1 channel surround is another setup, most commonly used in large cinemas, that is compatible with 5.1 surround, though it is not stated in the ITU standards. 7.1 channel surround adds two additional channels, center-left (CL) and center-right (CR) to the 5.1 surround setup, with the speakers situated 15 degrees off center from the listener. [24]
KEF introduced the world's first coincident-source speaker driver, called Uni-Q, in 1988, which is now in its 12th generation; and it is still featured in almost all its speakers today. KEF is the first company in the HiFi industry to use metamaterial to absorb the unwanted sound from the rear of a speaker driver; the technology is called ...