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经常从事音响制作的朋友大都遇到过加农(Cannon)接插件,加农是它的俗名,正式名字叫做XLR接插件。外形很像一支大号的雪茄烟。第一次世界大战时期有种威猛无比、所向披靡的平射炮,名为加农炮,炮筒修长,故而人们便把XLR接插件唤作加农插头、加农插座。加农接插件有3个脚,按照IEC-268号文件的规定,②脚接信号的热端,①脚是接电缆的屏蔽层,平衡式接法时,③脚接的是信号的冷端,若为非平衡式接
Often engaged in audio production friends encountered Cannon connector, Cannon is its common name, the official name is called XLR connector. Shape looks like a large cigar. During the First World War, there was a kind of mighty and invincible flat firearm called a cannon with a long slender barrel. People therefore called the XLR connector a Cannon plug and a Cannon outlet. Cannon connector has three legs, in accordance with the provisions of IEC-268 document, ② the hot end of the signal, the foot is connected to the cable shielding, balanced connection, the foot is connected to the signal cold end, If non-balanced access