blueranger,
I have not seen very plausible looking arguments to establish that all those things need "burn in" and change sound.
But it is very well established that our perception alters readily.
On an anecdotal level: I often play around with the positioning of my speakers, distance, angling, height, tilt, just to test stuff out.
I notice that some times I’ll do something like raise and tilt the speakers a bit, and it may result (due to acoustics) in an alteration of the sound that I find a bit good, a bit bad. Say, a little more emphasis in the presence region, a bit less warmth down low.
But over time, I adapt. A week later, I may either find myself MORE cognizant of the things I don’t like, or LESS so. For instance, I may no longer perceive a lack of warmth, and now it sounds "right" to me. Nothing has changed physically about my system; my brain has adapted, changed my perception.
In fact, it’s been a subject of discussion at various points on here and other forums that the way we perceive our systems can seem to change even daily. What was "wow" yesterday may seem "Meh" today.
Maybe you do have some issue on your AC line causing what you hear.But in terms of "break in" being the issue:
Consider the elasticity of our perception, against whether there is really good technical reasons to think your new AC line needs "break in."
I have not seen very plausible looking arguments to establish that all those things need "burn in" and change sound.
But it is very well established that our perception alters readily.
On an anecdotal level: I often play around with the positioning of my speakers, distance, angling, height, tilt, just to test stuff out.
I notice that some times I’ll do something like raise and tilt the speakers a bit, and it may result (due to acoustics) in an alteration of the sound that I find a bit good, a bit bad. Say, a little more emphasis in the presence region, a bit less warmth down low.
But over time, I adapt. A week later, I may either find myself MORE cognizant of the things I don’t like, or LESS so. For instance, I may no longer perceive a lack of warmth, and now it sounds "right" to me. Nothing has changed physically about my system; my brain has adapted, changed my perception.
In fact, it’s been a subject of discussion at various points on here and other forums that the way we perceive our systems can seem to change even daily. What was "wow" yesterday may seem "Meh" today.
Maybe you do have some issue on your AC line causing what you hear.But in terms of "break in" being the issue:
Consider the elasticity of our perception, against whether there is really good technical reasons to think your new AC line needs "break in."