The phone connector is cylindrical in shape, with a grooved tip to retain it. The phone connector was invented for use in telephone switchboards in the 19th century and is still widely used. A plug, the "male" connector, is inserted into the jack, the "female" connector. Inserting the plug connects its tip to one part of that circuit instead.Ī phone connector, also known as phone jack, audio jack, headphone jack or jack plug, is a family of electrical connectors typically used for analog audio signals. When the plug is removed, those contacts close to connect a circuit such a connection is said to be "normal". Note the flat open contact spring parallel to and inside the tip contact spring. TRS connectors have three parts: tip, ring and sleeve A pair of phone connectors: A plug (right) is inserted in a socket (jack, left). The tip is insulated from its adjacent sleeve and body. ( Learn how and when to remove this template message)Ī 6.35 mm ( 1⁄ 4 inch) two-contact phone plug used for various signals including electric guitar, loudspeaker, microphone and line-level audio. ( November 2022) ( Learn how and when to remove this template message) Unreliable citations may be challenged or deleted. Please help this article by looking for better, more reliable sources. Some of this article's listed sources may not be reliable.
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