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The Altec Lansing Professional line was relaunched in April 2002 by Altec Lansing Technologies using a few former executives and sound engineers of the old Oklahoma City-based Altec Lansing Corporation, bringing Altec's professional and consumer products under the same roof for the first time since 1986.
The permanent magnet upgrade of the 601 was released in 1944 as the 604, at which point the 601 was discontinued. [5] The 604 was the same basic design using a 15-inch LF driver, but with a larger 3" voice coil, individual Alnico V magnets for the LF and HF drivers, and a cast aluminum frame.
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.
1946 – Lansing leaves Altec and founded a new company, James B. Lansing Sound Inc. 1947 – JBL has a 15" speaker (38 cm), model D-130, using for the first time a 4" (100 mm) voice coil in a speaker cone; 1949 – James. B. Lansing dies of suicide; William Thomas became president of the company
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 human brain is sensitive to small variations in reflected sound, and this is part of the reason why a loudspeaker system sounds different at different listening positions or in different rooms. A significant factor in the sound of a loudspeaker system is the amount of absorption and diffusion present in the environment. Clapping one's hands ...
The wavelength in air of sinusoidal noise at approximately 800 Hz is double the distance of the average person's left ear to the right ear; [1] such a noise coming directly from the front will be easily reduced by an active system but coming from the side will tend to cancel at one ear while being reinforced at the other, making the noise ...
From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...