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Wave Radio. Wave Radio/CD. The "Wave Radio" (which has since become known as "Wave Radio I") was an AM/FM clock radio that was introduced in 1993. It was smaller than the Acoustic Wave Music System and used two 2.5-inch speakers. [ 3] A "Wave Radio/CD" model was introduced in 1998 and was essentially a Wave Radio I with a CD player.
2010 – a portable AM/FM audio receiver with 8-track player/recorder (c. 1977) XX-10 – a portable AM/FM audio receiver with compact cassette recorder; 37-009 – AM radio headphones; 37-001w – headphones; 37-002 – headphones; Model 2007 was demonstrated at the 1975 Winter Consumer Electronics Show, with a price of $399 (equivalent to ...
Through the 1980s and 1990s, Sony created many versions and variations in the cassette tape Walkman line [ 4] such as the DD series and WM series. Below is an incomplete list of cassette tape based Walkman models. Sony Walkman TPS-L2, from 1979. Sony Walkman WM-F15, released 1984. Sony Walkman WM-28, early 1980s. Sony Walkman WM-F77, Circa 1986.
Edwin Howard Armstrong (December 18, 1890 [ 2] – February 1, 1954 [ 3]) was an American electrical engineer and inventor, who developed FM ( frequency modulation) radio and the superheterodyne receiver system. He held 42 patents and received numerous awards, including the first Medal of Honor awarded by the Institute of Radio Engineers (now ...
Technics (テクニクス, Tekunikusu) is a Japanese audio brand established by Matsushita Electric (now Panasonic) in 1965. Since 1965, Matsushita has produced a variety of HiFi and other audio products under the brand name, such as turntables, amplifiers, radio receivers, tape recorders, CD players, loudspeakers, and digital pianos.
It belongs to FM radio station KWNR, in Henderson, Nevada, and broadcasts at 95.5 MHz. FM broadcasting is a method of radio broadcasting that uses frequency modulation ( FM) of the radio broadcast carrier wave. Invented in 1933 by American engineer Edwin Armstrong, wide-band FM is used worldwide to transmit high-fidelity sound over broadcast radio.
FM radio channel assignments in the U.S. In the United States, FM broadcasting stations operate on a 20.2 MHz-wide frequency band, spanning from 87.8 MHz to 108 MHz. This is divided into 101 0.2 MHz-wide channels, which are designated as channels 200 through 300. In actual practice, few except the FCC use these channel numbers; the frequencies ...
AM broadcasting. AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave (also known as "AM band") transmissions, but also on the longwave and shortwave radio bands.
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