>>If you're referring the the other parts of the speaker breaking-in -- the surround and the spider -- then those are the same regardless of the actual cone material.

That is a good point, which I haven't heard before.

La la la la la la la la la la ....

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8