The transmission of microphone, guitar, amplifier and other signals from peripherals requires a large diversity of cables.

A cable is usually made of a central copper wire (or many small wires) in a plastic sheath around which a conductive material is woven, which in turn is protected by a sheath in plastic. The outer conductor serves as a shield for the central conductor. Undesired signals such as radio waves are thus diverted to earth, so that the signal to be transmitted is not disturbed or minimally disturbed. Another system for avoiding malfunctions with cables is DI, which in short means that the signal to be used is also sent in reverse. This requires 3 conductors in a cable. Furthermore, it is also important that cable has good connectors because they realize the transfer to and from the equipment.

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