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(!!!!) (Good Value Single) 6SN7GTB Westinghouse USA black plates

(!!!!) (Good Value Single) 6SN7GTB Westinghouse USA black plates "D" getter halo like new 1960 (6.8/7ma)

$ 44.44
(!!!!) (Highest Testing Pair) 71A Philco and Aristocrat test like new 1930's similar build (32.2ma and 32.5ma) 1-3% matched

(!!!!) (Highest Testing Pair) 71A Philco and Aristocrat test like new 1930's similar build (32.2ma and 32.5ma) 1-3% matched

$ 69.99
(!!!!) (Pair) 01A Arcturus NOS 1940's (2.3ma and 2.7ma)

(!!!!) (Pair) 01A Arcturus NOS 1940's (2.3ma and 2.7ma)

$ 88.88
(!!!!) (Pair) 12SN7GTA GE coin-base side getter NOS 1980 (9.8/8.5ma and 10/9.4ma) (close Gm)

(!!!!) (Pair) 12SN7GTA GE coin-base side getter NOS 1980 (9.8/8.5ma and 10/9.4ma) (close Gm)

$ 37.99
(!!!!) (PAIR) 5751 Hitachi Japan glossy black ribbed plates triple mica double D getters 1960's (2.0/2.2ma and 1.8/2.2ma) (rare)

(!!!!) (PAIR) 5751 Hitachi Japan glossy black ribbed plates triple mica double D getters 1960's (2.0/2.2ma and 1.8/2.2ma) (rare)

$ 119.99
(!!!!) (Pair) 6J5GT Sylvania lightning logo NOS 1945-1946 (7.6ma and 7.4ma)

(!!!!) (Pair) 6J5GT Sylvania lightning logo NOS 1945-1946 (7.6ma and 7.4ma)

$ 49.99
(!!!!) (Pair) JAN-5842WA Raytheon NOS 1984 (17.5ma and 17.6ma) 1-2% matched

(!!!!) (Pair) JAN-5842WA Raytheon NOS 1984 (17.5ma and 17.6ma) 1-2% matched

$ 49.99
(!!!!) (Pair) JAN-5842WA Raytheon NOS 1984 (18.0ma and 18.4ma) 1-2% matched

(!!!!) (Pair) JAN-5842WA Raytheon NOS 1984 (18.0ma and 18.4ma) 1-2% matched

$ 59.99
(!!!!) (Read Review) 12AX7A=ECC83 Matsushita Japan NOS rebranded Raytheon NOS 1970 era (Gm=1800/1800 and 1.5/1.3ma) (similar to Mullard)

(!!!!) (Read Review) 12AX7A=ECC83 Matsushita Japan NOS rebranded Raytheon NOS 1970 era (Gm=1800/1800 and 1.5/1.3ma) (similar to Mullard)

$ 0.00
(!!!!) (Recommended Pair 1970's) 417A Western Electric NOS 1973-1977 (27ma and 31.2ma)

(!!!!) (Recommended Pair 1970's) 417A Western Electric NOS 1973-1977 (27ma and 31.2ma)

$ 279.99
(!!!!) (Recommended Pair) 311B Western Electric NOS 1973 and 1975 (35.2ma and 36.4ma)

(!!!!) (Recommended Pair) 311B Western Electric NOS 1973 and 1975 (35.2ma and 36.4ma)

$ 188.88
(!!!!) (Recommended Pair) 417A Western Electric NOS

(!!!!) (Recommended Pair) 417A Western Electric NOS "D" getter 1958 and 1961 (22ma and 22ma)

$ 299.99
(!!!!) (Recommended Pair) 417A Western Electric NOS 1969 (28ma and 33ma)

(!!!!) (Recommended Pair) 417A Western Electric NOS 1969 (28ma and 33ma)

$ 299.99
(!!!!) (Recommended Pair) 5842=417A Amperex

(!!!!) (Recommended Pair) 5842=417A Amperex "PQ" USA Nickel Pins "O" getter halo NOS 1985 (35ma and 37ma)

$ 79.99
(!!!!) (Recommended Pair) 6BQ7A RCA black plates NOS 1964-1968 (9.2/11.2ma and 10.2/11ma)

(!!!!) (Recommended Pair) 6BQ7A RCA black plates NOS 1964-1968 (9.2/11.2ma and 10.2/11ma)

$ 59.99
(!!!!) (Recommended Pair) 6BQ7A RCA black plates NOS 1967 same date codes (11.8/12ma and 11/12.2ma)

(!!!!) (Recommended Pair) 6BQ7A RCA black plates NOS 1967 same date codes (11.8/12ma and 11/12.2ma)

$ 59.99
(!!!!) (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
(!!!!) (Recommended Pair) 6EW7 Hitachi Japan branded Westinghouse BIG BOTTLE NOS 1970-1972 (4.9/4.6ma and 42/43ma)

(!!!!) (Recommended Pair) 6EW7 Hitachi Japan branded Westinghouse BIG BOTTLE NOS 1970-1972 (4.9/4.6ma and 42/43ma)

$ 37.99
(!!!!) (Recommended Pair) 6EW7 Hitachi Japan branded Westinghouse BIG BOTTLE NOS 1971 (5.3/5.4ma and 58/55ma)

(!!!!) (Recommended Pair) 6EW7 Hitachi Japan branded Westinghouse BIG BOTTLE NOS 1971 (5.3/5.4ma and 58/55ma)

$ 39.99
(!!!!) (Recommended Pair) 6FQ7 Zenith by GE NOS 1977 (6.5/10.6ma and 6.7/9.2ma)

(!!!!) (Recommended Pair) 6FQ7 Zenith by GE NOS 1977 (6.5/10.6ma and 6.7/9.2ma)

$ 49.99
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