In article ,
JustMe wrote:
I'm willing to accept it's *possible* for a speaker to change slightly
with use. However, I'd expect a decent maker to do this at the factory
before final quality check if it is a real issue.

Then you should also expect to pay more for that speaker in the shop.

To have something perform its best?

Decent speakers will be checked before leaving the factory. Not much of a
problem to run them for a few hours if this really was necessary.

--
*I don't suffer from insanity -- I'm a carrier

Dave Plowman London SW
To e-mail, change noise into sound.