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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: We agree to disagree ! (nt) posted by Cut-Throat on January 4, 2002 at 06:49:54:
Greetings Folks,Speakers truly do require a break-in period to reach steady-state performance. This is probably more easily quantifiable than it is for other components in the audio chain.
Speakers break-in principally by the long-term changes induced in the transducers' suspensions caused by repeated mechanical stress. These changes rather loosely obey first-order differential equations, and so the magnitiude of change is roughly exponential with time, i.e, they can be characterized loosely by time constants. One of the reasons why I say "loosely" is that hysteretic artifacts usually play a significant role: a speaker never truly equilibrates to a single steady-state condition; rather, after initial break-in, it continuously changes slowly, although generally minutely, with time and usage.
The components most likely to create long-term changes in speakers are organically-based materials which move as the transducers radiate.
The time constant for equilibration can vary for these materials from a few minutes to several hours.Hope that helps a bit,
MAP
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Follow Ups
- Truth somewhere in the middle... - MAP 12:21:51 01/04/02 (0)
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