Do speaker cables need a burn in period?

The most of the “good” speakercables takes about 200 hours.

This subject always made me grin. A friend who has a degree in electronic engineering laughed at these thoughts. He said speaker cables do not carry enough current to affect their physical nature. Also, what is "burn in" or "break in" anyway? What actually happens? What happens to the cable that actually changes the sound? I've yet to see that explained to the point where it makes any sense. However, if that is what you want to believe, so be it. What if the cable "sounds" worse after break in? A change in sound isn't always to the positive. Have fun!

Did milk squirt out of your engineer friend’s nose? One wonders if engineers are inherently closed-minded sometimes or if they’re taught to be like that.

My experience is that cables sound better after a week of not being moved, and a few hundred hours of playing time, whether purchased new or used.  You will know what you think in a week or two. Don't worry that electrical engineers cannot explain this. There is very very much that engineers and scientists cannot explain...

As we sailed into the mystic......