How much does volume matter when breaking in amps and cables?

Thus spoke Zarathu.

Break-in! If it ain't mechanical, it don't need no freakin' break-in!

Since there is SO MUCH misinformation in this thread, I am going to add to what I’ve said above:

First, I have to ask where did "reducing the amount of returns" come into play with "break-in"?

What kind of garage made stuff and low tier dealers are you people buying from and dealing with to think that break-in has to do with returns? Real manufacturers stand behind their products! As I stated earlier, if you run our equipment for 12.5 days straight and can’t tell if you like it by then, we give our dealers 30 days to return it.

So for those of you thinking it has to do with returns, you’re just simply wrong and my suggestion is to purchase things from dealers who stand behind what they sell as they should be selling brands that stand behind what they build.

Good dealers who sell good brands will tell you about the break-in period because good manufacturers know how much time that takes and are telling them so they can set that level of expectation for you.  

Uh, nobody said it’s not mechanical. Hel-loo! Wake up and smell the Java! ☕️

Many good and valid points have been noted on this thread.

I would like to add that with speakers / components it is the drivers and the capacitors that take the longest time to break in. Some of the more exotic caps take a very long time!
Cabling/wire breakin, as baffling as it may seem does take about 200 hours, although as previously noted the initial sound when new doesn’t change significantly after that time. However, I have had a few exceptions...
To me, speaker cabling should have some power driving through them. With interconnects, just a signal is enough.

Of course this is my opinion from experience.
ozzy