XLR connector

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XLR connector

A plug and socket used in professional audio equipment, lighting controls (see DMX512) and other applications. It uses a balanced connection and locks into the socket. XLR connectors are twice the size of the standard RCA plugs and sockets found on consumer equipment. See analog stereo.

Hot Plugging
The ground channel on the socket is designed to make contact with the ground pin on the plug before the other pins make contact. This avoids external signals and momentary distortion when cables are plugged in and out in a live session.

The XLR name comes from a particular X connector from Cannon Electric, which was modified with a latch (the L) and a synthetic rubber compound (the R). See A/V ports, balun and plugs and sockets.

XLR3 Connector
Although XLR connectors can have from two to six pins, this 3-pin XLR plug and socket is typically found on quality equipment for analog audio signals. Looking at the socket (left), the rightmost pin is ground; the leftmost is hot, and the bottom one is neutral.
References in periodicals archive ?
Ports PTA and PTB are directly connected to 25pin cannon connector where provide digital input (PTB) and output (PTA) functions.
* ITT Industries, Cannon appointed Roy Wang director of operations for Cannon connector products in Asia.
Tenders are invited for Hand Crimping Tool For Cannon Connector 1-02Awg 20/4 Similar To Model No.Af8, M225 20/0-01 With Turret Model No.: Thia.
Tenders are invited for Pressure Sensor 0-4 Bar For Transformer With Accessories Cable Washer And Cannon Connectors Plug And Plug Socket .Cable Must Be Connected With Plug Socket Connector To Concerning Pin With Boot Sleeves On Plug Socket Along With Cable And Connector For Wag-9 And Wap-7 3Phase Loco.Specn.No.
Tenders are invited for Pressure Sensor 0-4 Bar For Transformer Of Wag-9 With Accessories Cable, Washer And Cannon Connectors Plug And Plug Socket .
It makes these ITT Cannon connectors available for the first time to a wide range of customers in the European commercial aerospace market and supply chain.