IN YOUR EXPERIENCE ?? WHAT IS THE QUIETEST 12AX7 TYPE TUBE ??? 6072 ? Spiral Filament

I'm looking for the quietest 12ax7 style tube you have used....Not what you heard about , but what you have personally used.......Thanks Will

autospec12-10-2018 6:54pm

noromance Details Discussions Posts This discussion Message User 10,057 posts 12-22-2018 at 02:10pm Copy Comment URL Report Comment Edit Delete Shuguang Treasure black 12AX7LS from Grant Fidelity. Better than Telefunkens and dead silent. I use them in my phono amp and beat everything I’ve tried over the years (and that is a lot of tubes!)