Quote Originally Posted by tunghaichuan View Post
.....Stereo speakers are a different animal. They have synthetic cones and surrounds, which do not loosen up over time like the paper cones in guitar speakers. Stereo speakers are typically played clean with no distortion in the signal, their purpose is to reproduce recorded sound. Guitar speakers generate music and there can be lots of harmonic distortion in the signal.
Or as I like to say "Hi-Fi speakers are about reproducing the sound. Guitar speakers are about creating the sound"

I've never really tried to break any in myself though. The speakers in my 4x12 were made in the 60's so I'm assuming they were broken in long before I acquired them