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(!!!!) (Best Pair #1) 6BX7GT Sylvania triple mica

(!!!!) (Best Pair #1) 6BX7GT Sylvania triple mica "O" getter NOS 1960 era (74/66.5ma and 78.5/68.5ma) (same Gm)

$ 44.99
(!!!!) (Best Pair #2) 6BX7GT Sylvania triple mica

(!!!!) (Best Pair #2) 6BX7GT Sylvania triple mica "D" getter NOS 1950's (52.2/47ma and 48/44ma)

$ 42.99
(!!!!) (Best Pair #2) 6BX7GT Sylvania triple mica

(!!!!) (Best Pair #2) 6BX7GT Sylvania triple mica "D" getter NOS 1950's (60/55ma and 52/54ma)

$ 44.99
(!!!!) (Recommended Pair) 6BX7GT RCA NOS 1965-1966 (61.5/54ma and 49.2/58ma)

(!!!!) (Recommended Pair) 6BX7GT RCA NOS 1965-1966 (61.5/54ma and 49.2/58ma)

$ 39.99
(!!!!) (SINGLE) 6BL7GTA RCA NOS 1966 (33.4/33.0ma)

(!!!!) (SINGLE) 6BL7GTA RCA NOS 1966 (33.4/33.0ma)

$ 13.99
(!!!!) 12BH7A Westinghouse gray ribbed plates used/good

(!!!!) 12BH7A Westinghouse gray ribbed plates used/good "U" getter 1960 era (8.4/11ma)

$ 27.99
(!!!) (Best Pair #1) 6BL7GTA GE black plates NOS 1959-1960 (50/49ma and 49/52.5ma)

(!!!) (Best Pair #1) 6BL7GTA GE black plates NOS 1959-1960 (50/49ma and 49/52.5ma)

$ 29.99
(!!!) (Best Pair) 6BL7GTA Sylvania branded GE NOS 1967-1968 (42.5/39.5ma and 40.2/43.2ma)

(!!!) (Best Pair) 6BL7GTA Sylvania branded GE NOS 1967-1968 (42.5/39.5ma and 40.2/43.2ma)

$ 27.99
(!!!) (Best RCA Pair #2) 6BL7GTA RCA clear top side getter NOS 1966-1969 (38.5/39.5ma and 40.5/36.0ma)

(!!!) (Best RCA Pair #2) 6BL7GTA RCA clear top side getter NOS 1966-1969 (38.5/39.5ma and 40.5/36.0ma)

$ 28.99
(!!!) (Best RCA Pair) 6BL7GTA RCA clear top side getter NOS 1965-1969 (46.8/49.2ma and 44.0/46.5ma)

(!!!) (Best RCA Pair) 6BL7GTA RCA clear top side getter NOS 1965-1969 (46.8/49.2ma and 44.0/46.5ma)

$ 29.99
(!!!) (Best Single) 6BX7GT Sylvania

(!!!) (Best Single) 6BX7GT Sylvania "O" getter NOS 1960's (73.6ma/83.3ma)

$ 19.99
(!!!) (Best Single) 6BX7GT Sylvania Motorola triple mica

(!!!) (Best Single) 6BX7GT Sylvania Motorola triple mica "O" getter NOS 1963 (73.6ma/75.6ma) (close triode balance)

$ 21.99
(!!!) (Best Single) CK5687WA Raytheon black plates

(!!!) (Best Single) CK5687WA Raytheon black plates "O" getter like new 1960 (35/38ma)

$ 59.99
(!!!) (Recommended Pair) 6BL7GTA GE and GE branded Admiral 1960's (38/40ma and 35/45ma)

(!!!) (Recommended Pair) 6BL7GTA GE and GE branded Admiral 1960's (38/40ma and 35/45ma)

$ 24.99
(!!!) (Single) CK-5687 Raytheon black plates

(!!!) (Single) CK-5687 Raytheon black plates "O" getter like new 1960 (30/33.5ma)

$ 44.99
(!!!) 6BL7GTA GE branded Marconi NOS 1960 era tilted glass (46/53ma) (High Gm) strong single

(!!!) 6BL7GTA GE branded Marconi NOS 1960 era tilted glass (46/53ma) (High Gm) strong single

$ 12.99
(!!) (BEST SINGLE) 6BL7GTA Tungsol NOS 1960 era (43/44ma)

(!!) (BEST SINGLE) 6BL7GTA Tungsol NOS 1960 era (43/44ma)

$ 13.99
(!!) (BEST SINGLE) 6BX7GT Sylvania triple mica NOS 1950's (55/57ma) (1-3% section balance)

(!!) (BEST SINGLE) 6BX7GT Sylvania triple mica NOS 1950's (55/57ma) (1-3% section balance)

$ 21.99
(!!) (Best Value Single 1961) 5687WA Tungsol bronze plates

(!!) (Best Value Single 1961) 5687WA Tungsol bronze plates "O" getter halo used/very good 1961 (33.4/34.8ma)

$ 34.99
(!!) (GOOD VALUE SINGLE) 5687 Tungsol rebranded IBM bronze plates

(!!) (GOOD VALUE SINGLE) 5687 Tungsol rebranded IBM bronze plates "U" getter used/good 1959 (29/36ma)

$ 34.99
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