(!!!) (PAIR 1950's) 6350 Sylvania black plates "D" getter NOS 1950's (11/9ma and 11.4/9.2ma)
(!!!) (READ REVIEW) 5V4G RCA branded GE NOS 1958 (60/40 and 60/40)
(!!!) (Recommended Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (56-59/40 and 57-60/40)
(!!!) (Recommended Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (57-61/40 and 57-62/40)
(!!!) (Recommended Pair) 1619 RCA NOS 1960-1964 (52ma and 53ma)
(!!!) (Recommended Pair) 6AC7 RCA NOS 1950's (11.5ma and 12.2ma)
(!!!) (Recommended Pair) 6AC7 RCA NOS 1970 era (10.0ma and 10.5ma)
(!!!) (Recommended Pair) 6BX7GT GE branded RCA NOS 1958 and 1963 (47ma/52ma and 45/50ma)
(!!!) (Recommended Pair) 6X5GT GE NOS 1961-1963 (50-50/40 and 49-49/40 x 2 tubes)
(!!!) (Recommended Pair) 7N7 Sylvania NOS branded GE and RCA 1960-1965 (9.4/8.0ma and 8.0/8.4ma) (close Gm)
(!!!) (Recommended Pair) JAN-1619=VT-164 RCA NOS 1943 some surface rust on metal cans (55ma and 57ma)
(!!!) (Recommended Pair) JTL-5654=6AK5W Tungsol gray plate "D" getter used/good 1956-1958 (6.4ma and 6.5ma)
(!!!) (Recommended Single 1957) 12AU7A Sylvania gray pinched plates "D" getter halo NOS 1957 (8.3/9.0ma)
(!!!) (Recommended Single 1957) 12AU7A Sylvania gray pinched plates "D" getter halo NOS 1957 (9.2/10.2ma)
(!!!) (Recommended Single) 12AX7 RCA "tall gray plates" and "D" getter halo branded Raytheon used/good 1950's (Gm=1900/2100) (1.3/1.7ma)
(!!!) (Recommended Single) 12BH7A Raytheon black oval plates "D" getter NOS 1950's (9.0ma/8.6ma)
(!!!) (Recommended Single) 5687 Tungsol branded Amperex black plate/bronze-black plate (38ma/43.5ma)
(!!!) (Recommended Single) 5881 Tungsol like new 1957 (86ma)
(!!!) (Recommended Single) 5Z3G RCA NOS 1954 (58/40 and 60/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1957 (57/40 and 58/40)
