Tubes

6BH6 RCA .

6BH6 USED or off-brand, not tested,. As-is, no guarantee. .

6BJ6 USED or off-brand, not tested,. As-is, no guarantee.

6BK4 or A or B .

6BK4C or /6EL4A

6BK7B .

6BL7GTA

6BM8 / ECL82 .

6BN4 .

6BN6 .