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Car Stereo is the #1 Car Audio Online Resource Welcome to the Internet Guide to Car Audio Car Stereo is the #1 Car Audio Online ResourceMY ACCOUNT   
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Sound which is modified or changed in some way is called distortion. It can be caused by equipment which doesn't faithfully reproduce the original input signal. The percentage of distortion is a measure of the amount of signal change produced by a component. Any good amplifier states its power in terms of rms (root mean square), or continuous power. That is, how much power it puts out continuously with a minimum of unwanted noise, or total harmonic distortion (thd). Many amplifiers list their power in peak terms, or how much power the amp will put out in a peak burst, but not hold continuously. Such amps generally have a high distortion figure, if shown at all. In a speaker, distortion is produced by several things, most related to poor construction. For example, poor alignment of the voice coil in the magnet gap can cause uncontrolled vibrations of the cone. Voice coil rubbing is the most common cause of speaker distortion, generally caused by being overdriven.


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