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Altec 604 Duplex Loudspeaker Original Altec 604 Sales Literature, Page 1 Cutaway View Of Altec 604 Duplex Loudspeaker Comparison of the different horns used in the Altec 604 and 604B and the one used in the 604C-G Altec 605A Advertisement, 1959 Altec 604E SuperDuplex Specification Sheet, Page 1 Altec Lansing 604-8K Duplex Loudspeaker Current version of the Altec 604
On September 10, 2008, Altec Lansing Technologies went through a corporate makeover changing its name to Altec Lansing LLC and its logo from a "whirlpool" to an abstraction of a multi-cellular horn. [20] On 1 October 2009 Altec Lansing LLC announced that it was to be acquired by Prophet Equity for approximately 18 million dollars. [21]
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.
James Bullough Lansing (born James Martini, January 2, 1902 – September 29, 1949) was a pioneering American audio engineer and loudspeaker designer who was most notable for establishing two audio companies that bear his name, Altec Lansing and JBL, the latter taken from his initials, JBL.
The double bell euphonium is a duplex instrument based on the euphonium. The larger bell produces the mellow tone of a standard euphonium; the second smaller bell has a brighter tone, similar to a baritone horn or valve trombone. The instrument is sometimes dismissed as a novelty, but has had some enthusiastic adherents, including few ...
Altec is a provider of equipment and services to the electric utility, telecommunications, tree care, lights and signs, and contractor markets. Topics referred to by the same term This disambiguation page lists articles associated with the title Altec .
The first duplexers were invented for use on the electric telegraph and were known as duplex rather than duplexer. They were an early form of the hybrid coil. The telegraph companies were keen to have such a device since the ability to have simultaneous traffic in both directions had the potential to save the cost of thousands of miles of ...
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