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screen life return (XLR)

The XLR connector, also known as the Cannon connector, is a high quality multi-pin connector for balanced signal routing. The XLR connector is available as a 3-pin, 5-pin and 7-pin connector for audio

, with the 3-pin also being known as the mini XLR connector. It is characterized by its robustness and high reliability, has no defined impedance, can be used for analog and digital audio signals and is used with microphones and professional mixing consoles. The AES/EBU interface

can be used for transmission.

XLR variants, photo: ck-light.ch

XLR variants, photo: ck-light.ch

Symmetrical conductors have the advantage that interference signals on or radiated to both signal-carrying lines compensate for each other. This is also the reason for the abbreviation XLR with Screen (X) for ground, Life (L) for the in-phase signal

and Return (R) for the out-of-phase signal.

DIN connection diagram for XLR cables

DIN connection diagram for XLR cables

The XLR connector consists of a metallic shield and has an automatic lock. The XLR cable is an audio cable with two balanced conductors for the audio signals and a ground conductor. It has a diameter of 8 mm, a dielectric of Teflon or PVC, and a braided shield. The cable impedance is 66 ohms.

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Englisch: screen life return - XLR
Updated at: 08.10.2010
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