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(!!!!) (SINGLE) 6973 RCA branded GE gray plate NOS 1974 (40ma)

(!!!!) (SINGLE) 6973 RCA branded GE gray plate NOS 1974 (40ma)

$ 98.88
(!!!!) (SINGLE) 6BL7GTA RCA NOS 1966 (33.4/33.0ma)

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

$ 13.99
(!!!!) (Single) 6DJ8=ECC88 Mullard Holland NOS 1963 (16.6/20.6ma) (Nova)

(!!!!) (Single) 6DJ8=ECC88 Mullard Holland NOS 1963 (16.6/20.6ma) (Nova)

$ 119.99
(!!!!) (Single) 6L6GC=6n3CE Russian NOS 1990 coin/wafer base (75.6ma)

(!!!!) (Single) 6L6GC=6n3CE Russian NOS 1990 coin/wafer base (75.6ma)

$ 49.99
(!!!!) (Single) 6SN7GT RCA NOS 1954 (7.8/7.6ma)

(!!!!) (Single) 6SN7GT RCA NOS 1954 (7.8/7.6ma)

$ 69.99
(!!!!) (SINGLE) EL34 Mullard XF2 branded Bugle Boy double halo

(!!!!) (SINGLE) EL34 Mullard XF2 branded Bugle Boy double halo "O" used/good 1965 some heat stains on plate (70ma)

$ 88.88
(!!!!) (Single) JAN-6189W=12AU7 Philips by Sylvania NOS 1987 (8.2/8.8ma)

(!!!!) (Single) JAN-6189W=12AU7 Philips by Sylvania NOS 1987 (8.2/8.8ma)

$ 24.99
(!!!!) (slightly microphonic single) ECC82=12AU7 Telefunken Diamond Bottom smooth plates NOS 1961 very good printing (10.0/10.8ma) (high Gm)

(!!!!) (slightly microphonic single) ECC82=12AU7 Telefunken Diamond Bottom smooth plates NOS 1961 very good printing (10.0/10.8ma) (high Gm)

$ 99.99
(!!!!) 12BH7A Westinghouse gray ribbed plates used/good

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

$ 27.99
(!!!!) 5998 Tungsol IBM black plates used/very good 1960 (80/96ma) (close Gm)

(!!!!) 5998 Tungsol IBM black plates used/very good 1960 (80/96ma) (close Gm)

$ 248.88
(!!!) (#1 6BX7GT RCA single) 6BX7GT RCA NOS 1961 (41/48ma)

(!!!) (#1 6BX7GT RCA single) 6BX7GT RCA NOS 1961 (41/48ma)

$ 19.99
(!!!) (2nd Best Pair) 311B Amperex made in Russia NOS 1977 (31.8ma and 33.2ma) (very good construction)

(!!!) (2nd Best Pair) 311B Amperex made in Russia NOS 1977 (31.8ma and 33.2ma) (very good construction)

$ 79.99
(!!!) (Best GE Single) 6EU7 GE NOS pinched gray plates 1975 (56/32 and 58/32)

(!!!) (Best GE Single) 6EU7 GE NOS pinched gray plates 1975 (56/32 and 58/32)

$ 41.99
(!!!) (Best Holland Single) ECF80=6BL8 Amperex Bugle Boy Holland NOS 1957 (14ma/11ma)

(!!!) (Best Holland Single) ECF80=6BL8 Amperex Bugle Boy Holland NOS 1957 (14ma/11ma)

$ 44.99
(!!!) (Best Matched Quad #1) 5Y3GT Philips Holland NOS 1960's (1 set of 4)

(!!!) (Best Matched Quad #1) 5Y3GT Philips Holland NOS 1960's (1 set of 4)

$ 119.99
(!!!) (Best Mullard Single) ECF80=6BL8 IEC Mullard UK NOS 1966 (16ma/12ma) (Highest mA and Gm)

(!!!) (Best Mullard Single) ECF80=6BL8 IEC Mullard UK NOS 1966 (16ma/12ma) (Highest mA and Gm)

$ 42.99
(!!!) (Best Pair #1) 6AR6=6098 Tungsol oval plate NOS 1951 (88ma and 84ma) (1st series made)

(!!!) (Best Pair #1) 6AR6=6098 Tungsol oval plate NOS 1951 (88ma and 84ma) (1st series made)

$ 49.99
(!!!) (Best Pair #1) EL84 Siemens Halske Germany NOS 1967-1968 (48.5ma and 49ma) 1-3% matched

(!!!) (Best Pair #1) EL84 Siemens Halske Germany NOS 1967-1968 (48.5ma and 49ma) 1-3% matched

$ 259.99
(!!!) (Best Pair #3) 407A Western Electric NOS

(!!!) (Best Pair #3) 407A Western Electric NOS "O" getter 1972-1983 (40-40/26 and 42-43/26)

$ 74.44
(!!!) (Best Pair #3) 6973 Sylvania and Sylvania branded GE gray plate NOS 1970's - 1980 (60ma and 58ma)

(!!!) (Best Pair #3) 6973 Sylvania and Sylvania branded GE gray plate NOS 1970's - 1980 (60ma and 58ma)

$ 199.99
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