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RCA connector
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RCA connector
The RCA connector is a type of electrical connector commonly used to carry analog audio and video signals. The name refers to the popular name of Radio Corporation of America, which introduced the design in the 1930s. Typically, the output is a plug type connector and the input a jack type connector. These are referred to as RCA plug and RCA jack respectively.
It is also called a phono connector, referring to its early use to connect a phonograph turntable to a radio receiver. As home audio systems became more complex, RCA cables became a standard way to connect components such as radio receivers, amplifiers, turntables, tape decks, and CD players. Their ubiquity led to them also being used for video: connecting analog televisions, videocassette recorders, DVD players, and game consoles. They remain in use as a simple, widely supported means of connection.
In some European countries such as France and Germany, the name cinch is still used as an antonomasia of the Chicago-based manufacturer Cinch, for such a connector and socket.
The following dates were derived from historical RCA documentation.
RCA introduced this connector by 1937, when it was used inside a RCA model U-109 radio-phonograph and model R-97 phonograph. In the U-109, the internal amplifier chassis had female connectors which accepted male cables from the internal radio chassis and built-in phonograph player. Originally, the concept was intended as an easy method to unhook sources while troubleshooting the console during servicing.[citation needed]
By 1938, RCA had 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. The connector was labeled on the back of radio with one of the following terms: "Victrola", "Phono", "Pick-up", or "Television". RCA later marketed a special turntable for 45 RPM records, the model 9JY.
In 1939, RCA introduced two radio-television floor consoles (TRK-9, TRK-12) which used the same internal connection concept but the audio output of the television chassis was connected to the radio/amplifier chassis via a male to male cable. Three lower-cost 1939 television models had an audio output connector on their rear panel instead of an integrated amplifier and speaker: RCA TT-5, Westinghouse WRT-700, GE HM-171.
In the 1950s, RCA connectors began to replace the older 1⁄4 inch (6.35 mm) phone connectors for many other applications in the consumer audio world when component high-fidelity systems started becoming popular during the transistor revolution.[citation needed] Refinement of the RCA connectors came with later designs, although they remained compatible.[citation needed]
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RCA connector
The RCA connector is a type of electrical connector commonly used to carry analog audio and video signals. The name refers to the popular name of Radio Corporation of America, which introduced the design in the 1930s. Typically, the output is a plug type connector and the input a jack type connector. These are referred to as RCA plug and RCA jack respectively.
It is also called a phono connector, referring to its early use to connect a phonograph turntable to a radio receiver. As home audio systems became more complex, RCA cables became a standard way to connect components such as radio receivers, amplifiers, turntables, tape decks, and CD players. Their ubiquity led to them also being used for video: connecting analog televisions, videocassette recorders, DVD players, and game consoles. They remain in use as a simple, widely supported means of connection.
In some European countries such as France and Germany, the name cinch is still used as an antonomasia of the Chicago-based manufacturer Cinch, for such a connector and socket.
The following dates were derived from historical RCA documentation.
RCA introduced this connector by 1937, when it was used inside a RCA model U-109 radio-phonograph and model R-97 phonograph. In the U-109, the internal amplifier chassis had female connectors which accepted male cables from the internal radio chassis and built-in phonograph player. Originally, the concept was intended as an easy method to unhook sources while troubleshooting the console during servicing.[citation needed]
By 1938, RCA had 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. The connector was labeled on the back of radio with one of the following terms: "Victrola", "Phono", "Pick-up", or "Television". RCA later marketed a special turntable for 45 RPM records, the model 9JY.
In 1939, RCA introduced two radio-television floor consoles (TRK-9, TRK-12) which used the same internal connection concept but the audio output of the television chassis was connected to the radio/amplifier chassis via a male to male cable. Three lower-cost 1939 television models had an audio output connector on their rear panel instead of an integrated amplifier and speaker: RCA TT-5, Westinghouse WRT-700, GE HM-171.
In the 1950s, RCA connectors began to replace the older 1⁄4 inch (6.35 mm) phone connectors for many other applications in the consumer audio world when component high-fidelity systems started becoming popular during the transistor revolution.[citation needed] Refinement of the RCA connectors came with later designs, although they remained compatible.[citation needed]
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