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

bdp24 Details Discussions Posts This discussion Message User 10,248 posts 12-10-2018 at 07:33pm Copy Comment URL Report Comment Edit Delete 5751, I don't recall the brand. Whatever Frank Van Alstine was putting in his modded-Dynaco PAS pre-amp in the 1980's. Zero hum, and just a hint of tube rush with the volume control at max.