Are You A Disciplined Audiophile?

@deep_333 Thank you for the video and a great example of how you can tilt anything to your perspective. His routine for measuring TS parameters is quite valid except for the driver being held in a very loose manner. It should be locked in place on a non resonant surface not sitting on rubber bumpers. He does show you what happens when you put the driver on a very floppy surface. I clamp the drivers in a bench vise. Here is mistake number 1.  He uses two different drivers (of the same type) manufactured at different times with no way of controlling things like poor tolerances of changes in materials. The proper way to run this experiment is to use the same driver, measuring it new and then serially after periods of time. New, after a 1 hour burn in and then a year or two later. Having said that the difference he measures between the drivers is more than one could explain by loose tolerances. Remember what I said. Drivers not not break in, they break down. Subwoofer drivers do not last near as long as other drivers. I keep two spares available as I lose one every two or three years. So, what did he measure, the speaker breaking in or breaking down? Subwoofers will loosen after a short burn in period which is usually done by the manufacturer. After that it is all downhill. By break-in people are usually implying that whatever it is sounds BETTER after a period of time. (Why never worse?) What a particular system sounds like has more to do with the person's mood than the age of their equipment. 

I just lost a driver last week. It is something like 10 years old. The post mortem revealed a delaminated voice coil. Rock and Roll:-) 

Why does every thread have to become so decisive?  
Who cares what I believe or how I spend your money?

Sheesh!
 

Now what were we talkin’ bout?
Discipline…. Yeah that it.

He uses two different drivers (of the same type) manufactured at different times with no way of controlling things like poor tolerances of changes in materials. The proper way to run this experiment is to use the same driver, measuring it new and then serially after periods of time.

@mijostyn I know all about that....If you recall on my earlier post, I asked you to measure it yourself. His video is just showing the methodology for the type of guys who’ve probably never done it before...no point in nitpicking what he did to try and come out on top on a forum thread.

Get a driver, measure it... break the same driver’s living daylights in for a couple of months... measure it again...prove it to yourself.

One would need to do repeated measurements with multiple same-model drivers, simultaneously, to control for QC / tolerance. Pretty straightforward.

No such thing as a more or less “disciplined” audiophile in the way OP mentions, that I can think of, since everyone is a sample size of 1 who’s more or less prone to acclimatization.

Amazing what a bit of background knowledge it science and stats can save you from having to just wonder. 😉

In my listening experience, component break-in is a real thing.   I sent my Krell K300i back to the factory for service and upon return it sounded like crap.   Tight, recessed midrange, no bass slam, rolled off/squeeky highs.   Yuk.   I just let it play at low volume for 3 days while we were out.   Came back and my old Krell sound was back.   Beautiful.

I had exactly the same experience with my NAD M33, Tubadour IIISE, Innuos Zen Mini Mk3, etc.   all have benefitted significantly from a short break-in. 
 

So, to the OP’s original question….  I try to wait and only change one thing at a time, but sometimes, I’m impatient.   It happens and I’m OK with that.