(!!!!) (Recommended Single) 6550C Svetlana Russian low hours/like new 1999 (149ma)
(!!!!) (Recommended Single) 6L6GC RCA black plates branded Westinghouse like new double "D" getters 1960 era (72ma)
(!!!!) (Recommended Single) 6V6G Sylvania branded Haltron coated glass NOS 1940's (50ma)
(!!!!) (Recommended used pair) 5881 Tungsol used/good 1960's (63.2ma and 66ma)
(!!!!) (Recommended Used Pair) 6550C Svetlana Russian used/good 1997-2000 (135ma and 136ma) ** (1-3% matched)
(!!!!) (Single 1965) EL34 Philips Miniwatt by Mullard XF2 double round getter halo "O-O" NOS 1965 (76ma)
(!!!!) (Single) 10 Sylvania "engraved base" 1930's NOS (29ma)
(!!!!) (Single) 6080 GE "5 Star" black plates NOS 1960 (130ma/143ma)
(!!!!) (Single) 6080 GE "5 Star" black plates NOS 1960 (142ma/113ma)
(!!!!) (Single) 6146B GE NOS 1985 (86ma)
(!!!!) (Single) 6L6GC=6n3CE Russian NOS 1990 coin/wafer base (75.6ma)
(!!!!) (Single) 6V6GT RCA used/tests like new 1960 (39ma)
(!!!!) (Single) 6V6GT Sylvania coated glass NOS 1956 (34.2ma)
(!!!!) (SINGLE) 7581A GE tan base NOS 1965 (62ma)
(!!!!) (SINGLE) EL34 Pope Mullard XF2 single halo "O" used/very good 1970 (82ma) (Gm like new)
(!!!!) (sold out) 429A Western Electric NOS 1978 (47-50/20)
(!!!!) (Used Pair) 6550C Winged C by Svetlana Russian used/good 2000-2001 faded top getters (116ma and 120ma) (same Gm) **
(!!!!) (~ Recommended Pair ~) JEA-6094 Bendix NOS 1961 and 1967 same build (54ma and 55.2ma)
(!!!!) 6336A Tungsol branded Heintz and Kaufman 1960's (62/76ma) ***
(!!!!) 6973 RCA gray plate like new 1965 (38ma)
