Differences between 6922 and 12AU7?

For the tube pre-amp. What are the characteristics, and which tube is more popular?

ssing20b3006-30-2003 2:42pm

elgordo Details Discussions Posts This discussion Message User 530 posts 06-30-2003 at 05:36pm Copy Comment URL Report Comment Edit Delete Then there is the fact that the 12AU7 is a 12 volt filament while the 6922 runs on 6 volts.