I’ve never really heard any “break-in’ changes in my speakers … but then again i don’t think I’ve ever done any critical listening or speaker comparisons till they had run a few hours.
This is because I can’t evaluate anything till they are set up … so end up doing a quick listen to make sure everything seems to be working, then setup 2 channel, listen a bit to get an impression, then setup for video listen a bit and somewhere way later try to critically listen.
So far my experiential view is they either don’t need it or only need a few hours. That said …
As an engineer, I can see how this might vary depending on the speaker and manufacturer.
So a much longer break-in might be necessary. As stated above the parts might need to wear a bit for smoother motion or materials may need vibrate a bit to get to their intended characteristics.
Given that “break-in” has no real down side and that it might actually help in some cases … my thinking is …
Just do it …
