For F1/Moto GP piston rods that must endure 15K RPM- sure.
Vacuum tubes- another audiophool extravagance?🤣
Cryogenic Treatment of Tubes, and why you should not.
Came across this paper while ago on cryo treating tubes and thought iI'd share it here. There is some other great information on tubes on the site as well.
Cryogenic Treatment of Tubes: An Engineer’s Perspective - Effectrode