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(!!!!!) (Best Value Pair) 6SN7GTB GE NOS 1964-1965 same build (6.4/7.0ma and 6.6/7.6ma)
(!!!!) (GE Pair) 6BQ7A GE NOS "O" getter halo 1973-1980 (10.5/9.7ma and 11.4/9.4ma) (Schiit, DNA, Modwright)
(!!!!) (GE Pair) 6BQ7A GE NOS "O" getter halo 1976 (7/10ma and 7/9ma) (Schiit, DNA, Modwright)
(!!!) (Recommended Pair) 6BL7GTA GE and GE branded Admiral 1960's (38/40ma and 35/45ma)
(!!!) (Recommended Single) 6BX7GT GE "O" getter gray plates 1963 (71/76ma)
(!!!) (Recommended Single) 6BX7GT GE branded Westinghouse "O" getter gray plates 1960's (43/48ma)
(!!!) (Recommended Single) 6BX7GT GE branded Westinghouse black plates NOS "O" getter 1962 (71/79ma)
(!!!) (Single 1956) 6BX7GT GE triple mica "D" getter halo NOS 1956 (41/40ma)
(!!) (#1 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (45.2ma and 46ma)
(!!) (#1 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (48ma and 48.2ma)
(!!) (#3 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (44ma and 45ma)
(!!) (Recommeded Pair) 6BX7GT GE branded NOS "D" getter 1958 - 1 tube branded RCA (72ma/95ma and 92/87ma) (highest mA and Gm)
(BEST PRICE) 1R5 US Brands NOS (4 for $12.99)
12BE6 Motorola by Toshiba Japan tests like new 1965 (1.9ma Gm=1000)
12SN7GT CBS NOS 1950's (9.0/9.6ma)
12SN7GT Raytheon used/good 1949 (6.2/6.2ma)
197T119AO1 Motorola/GE Planar Triodes NOS (4 in stock)
1R5 US Brands NOS (25 in stock)
35B5 used/good (2 in stock)
48C847730 Motorola Vibrator NOS