What Is Analog Audio Cable?

- Jul 03, 2018-

Analog audio cables can be broadly classified into three categories: microphone cables, guitar/line cables, and speaker cables. Typically, the central portion of the audio cable is a conductor that is the carrier of the audio signal. The outer part of the conductor is covered with non-conductive plastic or rubber, and the outer layer is a shielding layer composed of a conductor, which on the one hand isolates the external interference and on the other hand constitutes the ground line (loop) of the signal. The outermost layer of skin protects the inner layers and makes the cable durable. Audio cables generally use copper wire as a conductor because of its low cost, good electrical conductivity, and flexibility. However, copper exposed to the air is easily oxidized to become a poor conductor of copper oxide, which affects the conduction of current.



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