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Electret Microphones

There are many kinds of microphones out there. Before you buy a microphone you will need to determine your needs, what you wish to spend and where you will find them. One kind of microphone you may be looking for is an electret microphone.

There are several places to find an electret microphone and many manufacturers who make them. Anyone who has used an electret microphone will be able to help you make a good choice and can explain how the microphone works. There are sound magazines and catalogues that sell electret microphones and they will be able to supply information, too. If you want to get the most information about an electret microphone you may want to do some research at one or more of the online sites that sell this type of equipment. Online sites can offer help and answer any questions you may have about the electret microphone. You will also be able to look at the different brands and compare prices.

There are some facts about an electret microphone that you may find interesting. This kind of microphone is a form of capacitor microphone. The charge is permanently locked into a diaphragm and backplate. It is the same way magnetic energy is locked into a magnet.

Sometimes there are materials used in an electret microphone that are not suited to forming electrets. When this happens there may be compromises used when the an electret microphone is manufactured. This can effect the sound quality of an electret microphone.

There are some very good electret microphones available, however. You may want to consider a back-electret microphone because only the backplate of the capacitor is an electret. Because of this the diaphragm can be made from any suitable material.

An electret microphone will need power for the internal amplifier. A convenient way to provide the power for the internal amplifier is a small internal battery.

If the battery in an electret microphone runs down it may have the capacity to be phantom powered. This may also work if the battery is not fitted.

The best electret microphones on the market today can now rival capacitor microphones. The electret microphone was once considered impractical but it is now the most common type of microphone currently used.

Since an electret microphone does not need polarizing voltage it is unlike other condenser microphones.

If you are looking for a microphone that features the long-term stability and ultra-flat response needed for a measuring microphone, you should consider an electret microphone.