The Godzilla of home raddios

[maxhifi]

Originally Posted by dieseljeep

It's a direct coupled dual triode. Cathode follower configuration. The octal base tube was either a glass tube and the metal one was the M/G type. Type 6N6!
The UX base tube was the 6B5, same basic tube!

Did some reading about it - Really unusual tube. One of the few that the audio crowd hasn't latched on to. The MG tubes look neat, very mid 1930s modern.