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English: Zenith Stereophonic High Fidelity Phonograph (radiogram), around 1960. Date: 4 January 2006, 13:37:28 ... Zenith Stereophonic High Fidelity Phonograph ...
Zenith radiogram console stereo, circa 1960.. Home audio dates back before electricity, to Edison's phonograph, a monaural, low fidelity sound reproduction format. Early electrical phonographs as well as many other audio formats started out as monaural formats.
HH Scott Model 350, c. 1961: the first FM multiplex stereo tuner sold in the U.S. The Zenith-GE pilot-tone stereo system is used throughout the world by FM broadcasting stations. It was eventually determined that the bandwidth assigned to individual FM stations was sufficient to support stereo transmissions from a single transmitter.
Curtis Mathes Stereophonic High-Fidelity Music Center (exhibited at Norman & Vi Petty Rock & Roll Museum) During the next few years Curtis Mathes worked to design a modular TV and modular TV parts and chassis, so that warranty service would involve quickly switching a part, tube, tuner or picture tube.
Audio Fidelity Records, was a record company based in New York City, most active during the 1950s and 1960s. They are best known for having produced the first mass-produced American stereophonic long-playing record in November 1957 (although this was not available to the general public until March of the following year).
By the late 1950s, Garrard (of Britain) and Dual (Germany) dominated the high-end record changer market in the United States. [7] From the late 1950s through the late 1960s, VM Corporation ( Voice of Music ) of Benton Harbor, Michigan , US, dominated the lower-priced original equipment manufacturer (OEM) American record changer market. [ 7 ]
Experts say vehicle-based attacks are simple for a 'lone wolf' terrorist to plan and execute, and challenging for authorities to prevent.
In the United States, it competed with, and ultimately lost to, the Zenith/GE system, which the FCC chose as the standard in 1961. While both systems used multiplexing to transmit the L-R stereo signal, the Crosby system used a frequency-modulated 50 kHz subcarrier, whereas the competing Zenith/GE system used an amplitude-modulated 38 kHz ...