Feedback by Tube Model- 6CA7/EL34 all types

6CA7- ‘they are exceptional tubes’

from customer Lyle C. by email:

“Greetings,
I bought a quad of the Shuguang Black Treasure 6CA7’s from you recently and love them. They are exceptional tubes, absolutely killing the EH 6CA7 and Tung Sol reissue EL34’s I’ve tried.”