Is it possible that tubes actually get better with age?

That part of the reason NOS tubes sound better is that, like wine, they evolve? What do you think, audiogon?

redwoodaudio02-13-2021 5:03am

ebm Details Discussions Posts This discussion Message User 9,311 posts 02-13-2021 at 05:22am Copy Comment URL Report Comment Edit Delete After 50 hours they get no better.
jasonbourne52 Details Discussions Posts This discussion Message User 2,863 posts 02-13-2021 at 05:34am Copy Comment URL Report Comment Edit Delete No! All tubes slowly decline in SQ as cathode emissions decrease. Cathode coatings have a finite amount of electrons.
jasonbourne52 Details Discussions Posts This discussion Message User 2,863 posts 02-13-2021 at 05:36am Copy Comment URL Report Comment Edit Delete Fewer cathode electrons = noise increase.
noromance Details Discussions Posts This discussion Message User 9,501 posts 02-13-2021 at 06:32am Copy Comment URL Report Comment Edit Delete Maybe the OP is asking if unused tubes sound better as they age like cellared wines.