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Zenith Data Systems Corporation (ZDS) was an American computer systems manufacturing company active from 1979 to 1996.It was originally a division of the Zenith Radio Company (later Zenith Electronics), after they had purchased the Heath Company and, by extension, their Heathkit line of electronic kits and kit microcomputers, from Schlumberger in October 1979.
They were joined in 1921 by Eugene F. McDonald, [4] and Zenith Radio Company was incorporated in 1923. The fledgling company soon became known for its high-quality radios and electronic innovations. Zenith introduced the first portable radio in 1924, [4] [5] the first mass-produced AC radio in 1926, [5] and push-button tuning in 1927. [4]
The Zenith 'T/O' began life in October 1941 with the production of the Model 7G605 'Trans-ocean Clipper'. Priced at $75, it was introduced in January 1942 but ceased production in April 1942 as Zenith shifted their production to war-related equipment. During this short production run, some 35,000 units were produced and sales data showed that ...
Seeing the potential in personal computers, Zenith Radio Company bought Heath Company from Schlumberger in 1979 for $63 million, [16] [17] renaming the computer division Zenith Data Systems (ZDS). Zenith purchased Heath for the flexible assembly line infrastructure at the nearby St. Joseph facility as well as the R&D assets.
The ZP-150 was offered for US$1,995 when bundled with the US$800 Microsoft Works software, but could be found in the Fall 1985 Heathkit catalog for US$1,195.The price came down to US$999 in the Winter 1986 edition of the same catalog and US$699 in the Fall 1987 edition, as it was being phased out with the release of the Z-181 and Z-183.
These records often included instructions for setting up a stereo system, 'balancing' the speakers, and a variety of ambient recordings to show off the stereo effect. [86] When playing back stereo recordings, the best results are obtained by using two identical speakers, in front of and equidistant from the listener, with the listener located ...
A four channel quadraphonic diagram showing the usual placement of speakers around the listener. Quadraphonic (or quadrophonic, also called quadrasonic or by the neologism quadio [1] [formed by analogy with "stereo"]) sound – equivalent to what is now called 4.0 surround sound – uses four audio channels in which speakers are positioned at the four corners of a listening space.
The Zenith Carburetter Company Limited was a British company making carburettors in Stanmore Middlesex, founded in 1912 as a subsidiary of the French Société du carburateur Zénith. [1] In 1965, [ 2 ] the company joined with its major pre-war rival Solex Carburettors, and over time, the Zenith brand name fell into disuse.