(!!!!!) (Best Pair) 5U4GB CBS NOS 1950's double "D" getters (59-59/40 and 58-60/40)
(!!!!!) (Best Pair) 6V6GT Mullard UK NOS 1960 era (40.0ma and 40.6ma) (same Gm)
(!!!!!) (Recommended Pair) 5U4GB HYTRON NOS 1960 "O" getter halos (56-58/40 and 57-58/40)
(!!!!!) (Recommended Pair) 5U4GB HYTRON NOS 1960 "O" getter halos (60-64/40 and 60-66/40)
(!!!!!) (Recommended Pair) 6V6GT Mullard UK gray plate NOS 1960 era (41.5ma and 41.8ma)
(!!!!!) (Recommended Pair) 6V6GT Mullard UK gray plate NOS 1960 era (41.5ma and 42.8ma)
(!!!!!) (Recommended Pair) 6V6GT Mullard UK gray plate NOS 1960 era (44ma and 45ma)
(!!!!) (BEST PAIR) 6DN7 GE branded GE and CBS NOS 1959 same build (46.4/46.5ma and 8/9ma)
(!!!!) (Best Single) 5692 CBS Hytron Brown base NOS 1957 (9.4/9.0ma) (same Gm)
(!!!!) (BEST VALUE PAIR) 6V6G Mullard branded Haltron England NOS gray coated glass 1940's (43ma and 47.5ma)
(!!!!) (Good Value Pair) 6V6GTA RCA used/good 1962 and 1970's (30ma and 31.5ma)
(!!!!) (Good Value Single) 6SN7GTA GE "U" getter halo used/good 1954 (6.0/6.4ma)
(!!!!) (Recommended Pair) 6V6GTA GE NOS 1960's - 1970 (38ma and 40ma) (Fender, Two Rock, Victoria)
(!!!!) (Recommended Single) 6BL7GTA RCA NOS 1966 (30/34ma)
(!!!!) 6V6G Mullard branded Haltron England NOS gray coated glass 1940's (45.5ma)
(!!!) (Best Pair) 180C1=0B2 Valvo France like new 1959 (argon gas)
(!!!) (BEST PAIR) JHY-0B2WA CBS NOS 1960 (neon gas) (1 pair)
(!!!) (BEST PRICE) 12AU7A GE used/good 1961 - 1984 (4 for $29.99)
(!!!) (BEST PRICE) 12AU7A GE used/good 1969 - 1980 (4 for $29.99)