Speaker Break-In - What Physically Changes During Break-In To Enable Better Sound?

Shadorne-Your not making any sense whatsoever. You need to do more homework.
A piston is a piston, doesn't matter what brand it is if its deemed high end. And unless its burned in at the factory before boxing, which most speaker companies do not have the time for, it will always need to be burned in to loosen up the throw motion of the piston.

@audiozen 

This is a speaker forum not a car forum. There are actually no pistons in a speaker. I hope this makes sense.

zzzzzzzzzzzzzzz.....

Even if a mechanical device ( high end or other) is pushed to its limits for testing purposes within a short period of time that the factories time constraints allow, it does NOT mean it's been through its break in cycle. It's no different than any combustion engine or any other (electric or other) motor . Porsche with its gt3 used to recommend a 1000 mile break in, before pushing it to its limit or before a full output is realized. Do you think they use inferior parts in that motor? I don't see how any properly designed and build  driver will operate with full efficiency until it has been thoroughly broken in. This is physics, not marketing.

shadorne-Hmmm...now let me see..when watching a close-up video on YouTube of a mid-range driver excursion test the cone is constantly moving back and forth on a suspended surround. The constant back and forth motion is caused by a piston moving constantly in and out working just like a car piston which is why the inventor of this type of driver, Edgar Villchur, called it a piston driver in 1952. You really need to do your homework.