6A7 tube substitutes?

[Boobtubeman]

What i meant was 6C6 will sub a 77 and a 6D6 will sub a 78, is there a # that will sub a 6A7??

SR

[dieseljeep]

Originally Posted by Boobtubeman

What i meant was 6C6 will sub a 77 and a 6D6 will sub a 78, is there a # that will sub a 6A7??

SR

The 6A7 is a pentagrid converter tube and the only one that I know of, with the same characteristics in a UX7 base. More modern counterparts are the 6A8, 6SA7, even 6BE6.
I'm surprised that the prices went that high.