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Somewhat later, farm radios were made to be run on 6 V from a car or tractor battery, using an electromechanical vibrator to create a pulsating DC current that could be stepped up through a transformer to create the high voltage needed for the plates of the tubes- exactly as contemporary car radios did.
A clock radio with a flat, half-disc shape, in white or black body, and red or green LED display. AM and FM bands (analog tuner), dual alarms (buzzer + radio), volume knob. Mains powered but it has a 9V backup battery.
The term All American Five (abbreviated AA5) is a colloquial name for mass-produced, superheterodyne radio receivers that used five vacuum tubes in their design. These radio sets were designed to receive amplitude modulation (AM) broadcasts in the medium wave band, and were manufactured in the United States from the mid-1930s until the early 1960s.
In 1975, JVC introduced the first combined portable battery-operated radio with inbuilt TV, as the model 3050. The TV was a 3-inch (7.6 cm) black-and-white CRT. One year later, JVC expanded the model to add a cassette recorder, as the 3060, creating the world's first boombox with radio, cassette and TV. [citation needed]
Table radio also called a "Mantel radio" - A self-contained radio with speaker designed to sit on a table, cabinet, or fireplace mantel. [5] [6] Table radios typically plug into a wall outlet, although some "cordless" battery powered table radios exist. Clock radio - A bedside table radio that also includes an alarm clock. The alarm clock can ...
The RCA model R7 Superette superheterodyne table radio. This is a list of notable radios, which encompasses specific models and brands of radio transmitters, receivers and transceivers, both actively manufactured and defunct, including receivers, two-way radios, citizens band radios, shortwave radios, ham radios, scanners, weather radios and airband and marine VHF radios.
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A boombox, in its most basic form, is composed of two or more loudspeakers, an amplifier, a radio tuner, and a cassette and/or CD player component, all housed in a single plastic or metal case with a handle for portability. Most units can be powered by AC or DC cables or batteries.
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