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Preamp tubes

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(!!) (Best Single) 12BY7A Tungsol NOS 1960 era (29.5ma)

(!!) (Best Single) 12BY7A Tungsol NOS 1960 era (29.5ma)

$ 14.99
(!!!) (BEST VALUE PAIR) 01A Sylvania engraved base used/good 1930's (2.4ma and 2.7ma) (same Gm)

(!!!) (BEST VALUE PAIR) 01A Sylvania engraved base used/good 1930's (2.4ma and 2.7ma) (same Gm)

$ 59.99
(!!!) (Recommended Single) 6EU7 RCA NOS 1971 (53/32 and 45/32)

(!!!) (Recommended Single) 6EU7 RCA NOS 1971 (53/32 and 45/32)

$ 37.99
(!!!!) (slightly microphonic pair) E182CC=7119 Philips Miniwatt SQ Holland NOS large

(!!!!) (slightly microphonic pair) E182CC=7119 Philips Miniwatt SQ Holland NOS large "O" getter halo 1962 (35/36ma and 36/34ma)

$ 189.99
7B7 Philco by Sylvania chrome top used/very good 1940's (98/60)

7B7 Philco by Sylvania chrome top used/very good 1940's (98/60)

$ 21.99
(!!!) (BEST SINGLE - RARE) CX-330 Cunningham balloon engraved base NOS 1920's (3.0ma)

(!!!) (BEST SINGLE - RARE) CX-330 Cunningham balloon engraved base NOS 1920's (3.0ma)

$ 49.99
(!!) (Best Single) UX-120=20 Radiotron used/tests like new 1920's (7.3ma)

(!!) (Best Single) UX-120=20 Radiotron used/tests like new 1920's (7.3ma)

$ 79.99
(!!!!) (Best Pair #2) 01A RCA Cunningham engraved base NOS 1930's (3.3ma and 3.2ma) (same Gm)

(!!!!) (Best Pair #2) 01A RCA Cunningham engraved base NOS 1930's (3.3ma and 3.2ma) (same Gm)

$ 99.99
01A Raytheon 4-Pillar box plate NOS 1930's (2.8ma)

01A Raytheon 4-Pillar box plate NOS 1930's (2.8ma)

$ 44.44
(!!!) (Best Pair #3) E182CC=7119 Amperex and Philips Miniwatt SQ Holland NOS

(!!!) (Best Pair #3) E182CC=7119 Amperex and Philips Miniwatt SQ Holland NOS "O" getter halo 1962-1966 (36ma/43ma and 43/37ma)

$ 229.99
(!!!) (Best Pair #2) E182CC=7119 Amperex and Philips Miniwatt SQ Holland NOS

(!!!) (Best Pair #2) E182CC=7119 Amperex and Philips Miniwatt SQ Holland NOS "O" getter halo 1962-1967 (38ma/36ma and 36/35ma)

$ 239.99
(!!!!) (BEST PAIR #1) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (18/19ma and 17.7/18.4ma)

(!!!!) (BEST PAIR #1) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (18/19ma and 17.7/18.4ma)

$ 119.99
(!!!!) (Single) E80CC=6085 Mullard SQ Holland gold pins NOS 1967 (5.7/6.8ma)

(!!!!) (Single) E80CC=6085 Mullard SQ Holland gold pins NOS 1967 (5.7/6.8ma)

$ 109.99
7A4=XXL Sylvania branded JEWEL NOS 1940's in tan box (118/50)

7A4=XXL Sylvania branded JEWEL NOS 1940's in tan box (118/50)

$ 11.99
7A4=XXL Sylvania used/tests like new 1949 no printing (86/50)

7A4=XXL Sylvania used/tests like new 1949 no printing (86/50)

$ 6.99
(!!!) (Single) JAN-6C4WA GE NOS 1972 (8.8ma)

(!!!) (Single) JAN-6C4WA GE NOS 1972 (8.8ma)

$ 10.99
(!!) 6AK5 Western Electric NOS

(!!) 6AK5 Western Electric NOS "D" getter 1955 (5.8ma)

$ 32.99
(!!) 403B=6AK5 Western Electric

(!!) 403B=6AK5 Western Electric "D" getter used/good 1947 (4.8ma) (1st version)

$ 24.99
(!!) 403B=6AK5 Western Electric

(!!) 403B=6AK5 Western Electric "D" getter NOS 1969 (4.5ma)

$ 21.99
7F7 Sylvania round black plates used/good 1960's (1.9/1.7ma)

7F7 Sylvania round black plates used/good 1960's (1.9/1.7ma)

$ 7.29
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