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Preamp tubes

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6K11=6Q11 GE branded Admiral NOS 1964 (85/80, 90/60, 86/60)

6K11=6Q11 GE branded Admiral NOS 1964 (85/80, 90/60, 86/60)

$ 39.99
(!!!!) (Best Pair #1) 01A RCA Cunningham engraved base NOS 1930's (3.5ma and 3.4ma) (same Gm)

(!!!!) (Best Pair #1) 01A RCA Cunningham engraved base NOS 1930's (3.5ma and 3.4ma) (same Gm)

$ 109.99
(!) 75=VT-75 Sylvania Zenith used/good 1930's (27/19)

(!) 75=VT-75 Sylvania Zenith used/good 1930's (27/19)

$ 19.99
75=VT-75 Ken Rad Dual-Diode Triode used/good 1930's (26/19)

75=VT-75 Ken Rad Dual-Diode Triode used/good 1930's (26/19)

$ 16.99
6D6 National Union used/tests like new 1930's (66/40)

6D6 National Union used/tests like new 1930's (66/40)

$ 5.99
53 Arcturus engraved base used/tests like new 1930's (72/38 and 73/38)

53 Arcturus engraved base used/tests like new 1930's (72/38 and 73/38)

$ 10.99
12SF5GT Ken Rad NOS (1.2ma Gm=1800)

12SF5GT Ken Rad NOS (1.2ma Gm=1800)

$ 5.99
(!) (Best Single) 12SF5GT National Union NOS 1950 (2.1ma Gm=1600)

(!) (Best Single) 12SF5GT National Union NOS 1950 (2.1ma Gm=1600)

$ 6.99
(!!!!) (1 Pair) 5654=6AK5 Raytheon Toshiba Japan NOS 1970's (6.9ma and 7.3ma)

(!!!!) (1 Pair) 5654=6AK5 Raytheon Toshiba Japan NOS 1970's (6.9ma and 7.3ma)

$ 14.99
(!!!!) (Best Pair #1) JAN-5842WA Raytheon NOS 1984 original boxes (28ma and 30ma) 1-5% matched

(!!!!) (Best Pair #1) JAN-5842WA Raytheon NOS 1984 original boxes (28ma and 30ma) 1-5% matched

$ 84.99
(!!!!) (BEST PAIR #2) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (15.7/14.9ma and 15.0/14.2ma)

(!!!!) (BEST PAIR #2) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (15.7/14.9ma and 15.0/14.2ma)

$ 119.99
EF95=6AK5 Raytheon Toshiba Japan NOS 1960's (6.1ma)

EF95=6AK5 Raytheon Toshiba Japan NOS 1960's (6.1ma)

$ 5.99
(!) (Best SIngle) EF95=6AK5 Raytheon Toshiba Japan NOS 1960's (8.6ma)

(!) (Best SIngle) EF95=6AK5 Raytheon Toshiba Japan NOS 1960's (8.6ma)

$ 6.99
EF95=6AK5 Raytheon USA NOS 1957 (7.5ma)

EF95=6AK5 Raytheon USA NOS 1957 (7.5ma)

$ 5.99
(!!) (Recommended Single) 5654=6AK5W Tungsol gray plate NOS 1950's (6.8ma)

(!!) (Recommended Single) 5654=6AK5W Tungsol gray plate NOS 1950's (6.8ma)

$ 6.99
(!) (Single) 37 GE smooth plate NOS 1943 (7.1ma)

(!) (Single) 37 GE smooth plate NOS 1943 (7.1ma)

$ 24.99
(!) (Single) 37 Silvertone smooth plate used/tests like new 1930's 1 top mica is folded down (7.1ma)

(!) (Single) 37 Silvertone smooth plate used/tests like new 1930's 1 top mica is folded down (7.1ma)

$ 14.99
(!) (Single) 37 Philco by Sylvania smooth plate tests like new 1940's (8.3ma)

(!) (Single) 37 Philco by Sylvania smooth plate tests like new 1940's (8.3ma)

$ 21.99
JAN-CHS-12J5GT Sylvania round plate NOS 1944 (6.5ma)

JAN-CHS-12J5GT Sylvania round plate NOS 1944 (6.5ma)

$ 4.99
(!!!) (Single) 12BH7 Raytheon Oval Black Plates

(!!!) (Single) 12BH7 Raytheon Oval Black Plates "D" getter used/good 1950's (7/6.5ma)

$ 34.99
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