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What is "break in" and what difference does it make? In amps? Preamps? Speakers? More?

Hi folks,

Newbie question. I read often about a break-in period for speakers, amps. Can someone explain what this means, technically and to the listener's ears?

Is there a difference in what one hears when it comes to speaker break-in vs. component break-in?

Are there levels (quality) where break-in makes no difference?

Thanks.
hilde45

Showing 1 response by avanti1960

avanti1960
1,551 posts
 
instead of calling it "break in" we should really call it "interval of stability". 
from the time an electronic component is made until the time it eventually goes out of service every single part in that component is undergoing physical and chemical changes.   
"interval of stability" is the time it takes for a newly made electronic component to reach a point in its life where it has reached a relative stability, that is where the rate of change has slowed to the point where it has become relatively stable.  
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