Driver breakin period, what’s the science?

significant difference

components in the crossovers, driver surrounds esp mids and bass

the better the speaker and the more resolving the system is, the more this can be noticed, happens over the first 100 hrs at least... for mine, changes were noticeable up for 300-400 hrs...

this is significant... those who say no just don’t know...

significant difference

Not even 1db of difference

Kenjit
its not about loudness changes, but about loosening up of sq.

I think better resolution and clarity in more complex areas of music is what happens as driver mechanism loosens up.  Very stiff up front my guess.

Heavy, high excursion butyl rubber surrounds, and stiff spiders (springs), they take a while to loosen up. To sound clean and go DEEP, 50-100 hours (over night on a tone generator)

I have GR servos. LOL took a couple of hours to hear them and all night to loosen up enough to hear well.. Weirdest thing I ever seen.. Like magic. I though they were broke. They were moving but, no sound. I think it had to do with the correction side of the driver, and the servo amps.

Lighter foams and springs, less time. 20-50 hours..

I’ve seen teflons caps in XO take a 200-300 hours too. The drivers were broke in long before the caps were.. Sound wonkie as all get out.. for a while.. Ear bleeding stuff, mercy.

Regards

Spiders a few minutes, surrounds  few hours. I doubt it's anything audible. Mostly you getting used to them, keep listening and forget about break-in.