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Posted 13 March 2012 - 05:28 PM
Posted 13 March 2012 - 08:38 PM
Physical damage to cone or surround. A fatigued speaker can develop splits and cracks in the cone or surround, and once this happens, it can no longer move air as designed. Continued use will only place more stress on this weak point and enlarge the split or crack. Even worse, without adequate protection of the face of the speaker, some projectile (beer bottle, cue ball, Pete Townsend’s guitar) can pierce the cone more dramatically, rendering the speaker useless. The only exception to this is the “dustcap,” the little round bump in the middle of your woofer that covers the voice coil and magnet pole assembly; it’s principal purpose is simply to keep dirt and junk out of the voice coil gap, and if it is slightly dented but not actually pierced, that’s only a cosmetic problem and the speaker’s sound will be unaffected.
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