RCA phono jack


(n.) A type of RCA connector that was originally developed by The RadiornCorporation of America (RCA) for internalrnchassis connections in radios and televisionsrnduring the 1930s. It became popular for use inrncables used to connect phonograph cartridgesrnto preamplifiers because it is inexpensive andrneasily fitted with the small diameter shieldedrncables used for the cartridge leads. It has becomernthe standard connector used in line-levelrnconsumer and project studio sound equipmentrnand is used for composite video signals. Arnphono jack is also known as a pin jack.rn