Do speaker cables need a burn in period?

If there are no instruments that can measure it, then it doesn't exist on account of the fact we have instruments than can measure the EM force half way across the universe. We certainly have instruments that measure with 100 times the resolving power of the best biological ear on the commercial market. So if you can hear it it can most definitely be measured. 

Do I hear the soft refrain of dueling banjos? 😳

Better do what the man says, Kitty. 🙀

The devil will eventually be dead.

Better do what the man says, Andy. 🧟‍♂️