The word phono in phono connector is an abbreviation of the word phonograph, because this connector was originally created to allow the connection of a phonograph turntable to a radio receiver. It is also called RCA phono connector or phono connector. The connectors male plug and female jack are called RCA plug and RCA jack. The name RCA derives from the company Radio Corporation of America, which introduced the design in the 1930s.
The RCA connector is a type of electrical connector commonly used to carry audio and video signals. RCA plugs for composite video (yellow) and stereo audio (white and red)
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