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      07-27-2012, 04:27 PM   #25
ReturnZero
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Drives: 2013 X3 35i M-Sport
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Speakers are moving parts, so as you play them they loosen up. Same as when you buy something with a hinge or other moving part, when it's new it's nice and stiff and after a while it gets loose and moves more freely. You also burn the coils in a bit, but I would venture a guess that this doesn't have as much of an effect.

When the speakers are stiff they sound more shrill, the wavelengths they produce aren't as smooth. Once they loosen up they get a bit warmer as their transitions are easier and smoother.

Cheaper speakers aren't very stiff to begin with, so they don't really "break-in" but more expensive ones are built with higher quality components, better materials, and are more stiff in the beginning. Hence, break-in.
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