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Tuesday, July 13, 2010

Types Of Cables And Connectors For Microphones

By Victoria Xabi

Microphone cables are available with a number of different types of connectors. Microphones generally create a balanced output in order to reduce the unwanted noise and hiss that can be produced by the interference of other electrical equipment. So that you can transmit a balanced output correctly, a microphone cable should have two separate signal wires. Some from the less expensive microphone cables are unbalanced.

The simplest type of connector used with microphone cables is the jack plug. This is the same type of plug that's commonly seen in the end of a headphone cable. The microphone cables that use jack plugs often be at the less expensive end from the range, and on wires that are designed for consumer use instead of for professionals. Stereo or balanced jack plug wires are available, but most jack plugs are unbalanced.

Professional grade microphone cables often feature XLR connectors rather than jack plugs. XLR connectors are used to transmit a balanced signal. They have multiple pins. Three pinned XLR plugs are common, with two pins to carry the audio signals and a third that is an earth pin. XLR connectors tend to produce higher quality signals and they are also more secure, since there is a catch that needs to be released before the plug can be pulled from its socket. This means that they are less likely to be accidentally pulled out.

Audio multicore or snake cables are often used by professionals. An audio multicore cable contains between 4 and 56 individual microphone cables, all packed into a single compact cable with a durable outer jacket. The individual cables are shielded in pairs. The connectors at the ends of audio multicore cables may be 1/4 inch jack plugs, or XLR plugs. The most expensive audio multicore cables are constructed from more flexible materials, but cheaper audio multicore cables tend to be very inflexible. This means that they can be difficult to handle and coil up. However, they can be very useful in situations where multiple cables are necessary. Having all of the cables inside a single jacket is far neater and more convenient.

Some microphone wires are also available that have USB connectors which are created to be utilized when recording directly into a computer.

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