If you have ever heard the careful tube rolling comparisons by Tyco Dogg on YouTube,, I think you might change your tune that one can’t hear meaningful differences on YouTube. You can. And the format may be lossy, but it’s not terrible, especially if you have listened to JRAD concerts and the like.
I have used Tyco Doggs work to help select 6SN7 tubes for my three preamps. I became familiar with the 5692 and VT231 tubes through his work and understood how much better they sound than most new production tubes.