RCA later marketed a special turntable for 45 RPM records, the model 9JY. The connector was labeled on the back of radio with one of the following terms: " Victrola", " Phono", "Pick-up", "Television". īy no later than 1938, RCA migrated the female connector to the rear panel of many of their desktop AM radio models to allow customers an easy method to attach an external phonograph or television at a later date. Originally, the concept was intended as an easy method to unhook sources while troubleshooting the console during servicing. The amplifier chassis had female connectors which accepted male cables from the radio chassis and phonograph player. Plug here."īy no later than 1937, RCA introduced this design as an internal connector in their radio- phonograph floor consoles. Tag reads "An inexpensive RCA Victor record player will make a fine Victrola of this radio. Rear panel of a 1939 RCA model 45EM vacuum tube desktop AM radio with a female RCA jack.
RCA jacks are often used in phono inputs, a set of input jacks usually located on the rear panel of a preamp, mixer or amplifier, especially on early radio sets, to which a phonograph or turntable is attached. 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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