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Preamp tubes

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(!!) (Recommended Pair) 6KZ8 Sylvania branded Raytheon NOS

(!!) (Recommended Pair) 6KZ8 Sylvania branded Raytheon NOS

$ 8.99
(!!!!) (Best Pair) JAN-5842WA Raytheon NOS 1984-1985 original boxes (24ma and 23ma) 1-3% matched

(!!!!) (Best Pair) JAN-5842WA Raytheon NOS 1984-1985 original boxes (24ma and 23ma) 1-3% matched

$ 84.99
(!!) (Recommended Single 1961) JLRV-12AT7WA=6201 GE Canada gray plates triple mica

(!!) (Recommended Single 1961) JLRV-12AT7WA=6201 GE Canada gray plates triple mica "U" getter NOS 1961 (9/12ma)

$ 24.99
(!!) (Best Value Single) JAN-5670W GE NOS 1986 (10/7.5ma)

(!!) (Best Value Single) JAN-5670W GE NOS 1986 (10/7.5ma)

$ 18.99
(!!) (Recommended Single) 311B Western Electric NOS 1967 glass slightly tilted, large getter, in white box (33ma)

(!!) (Recommended Single) 311B Western Electric NOS 1967 glass slightly tilted, large getter, in white box (33ma)

$ 139.99
(!!) (Recommended Single) 6350 RCA NOS rebranded United triple mica

(!!) (Recommended Single) 6350 RCA NOS rebranded United triple mica "U" getter halo 1950's (9/9.6ma)

$ 34.99
(!!) (Recommended Single) 6350 Sylvania black plate NOS

(!!) (Recommended Single) 6350 Sylvania black plate NOS "U" getter halo 1957 (9/10ma)

$ 34.99
(!!) (Recommended Single) 6AK5 Tungsol gray plate NOS 1956 (8.3ma)

(!!) (Recommended Single) 6AK5 Tungsol gray plate NOS 1956 (8.3ma)

$ 7.99
(!!) (Recommended Single) 6U8A GE NOS 1977 (14.2ma/10ma)

(!!) (Recommended Single) 6U8A GE NOS 1977 (14.2ma/10ma)

$ 10.99
(!!) EC92 Siemens Halske NOS rebranded Philips Miniwatt 1968

(!!) EC92 Siemens Halske NOS rebranded Philips Miniwatt 1968 "O" getter halo (6.8ma)

$ 29.99
(!!!) (Recommended Single) EC92=6AB4 Siemens Halske NOS 1967 (9.2ma)

(!!!) (Recommended Single) EC92=6AB4 Siemens Halske NOS 1967 (9.2ma)

$ 69.99
(!!) (Single) GB-6SL7WGT Sylvania Gold Brand brown base round black plates

(!!) (Single) GB-6SL7WGT Sylvania Gold Brand brown base round black plates "O" getter NOS 1950's (1.7/1.7ma) 1% section balance

$ 29.99
(!!) (Single) JAN-5755 Raytheon Black Plates NOS 1967 (1.6/2.0ma)

(!!) (Single) JAN-5755 Raytheon Black Plates NOS 1967 (1.6/2.0ma)

$ 15.99
(!!) JAN-CRP-5687WA Raytheon black plates

(!!) JAN-CRP-5687WA Raytheon black plates "O" getter halo 1962 used/tests like new (44.5/39ma)

$ 39.99
(!!) (Recommended Sylvania) 6EU7 Sylvania branded RCA NOS 1970's (68/32 and 76/32)

(!!) (Recommended Sylvania) 6EU7 Sylvania branded RCA NOS 1970's (68/32 and 76/32)

$ 39.99
(!!!!) (Best Pair) 6BL7GT GE

(!!!!) (Best Pair) 6BL7GT GE "D" getter NOS 1957 same build (34/36ma and 37/32ma)

$ 26.99
(!!) (slightly microphonic single) 12BZ7 RCA gray plates NOS 1966 (2.3/3.0ma)

(!!) (slightly microphonic single) 12BZ7 RCA gray plates NOS 1966 (2.3/3.0ma)

$ 19.99
(!!) (Slightly microphonic single) 6SN7GT Brimar UK NOS slightly microphonic 1960 era (6.8/7.8ma)

(!!) (Slightly microphonic single) 6SN7GT Brimar UK NOS slightly microphonic 1960 era (6.8/7.8ma)

$ 199.99
(!!) (slightly microphonic) 12AU7A Raytheon black ribbed plates

(!!) (slightly microphonic) 12AU7A Raytheon black ribbed plates "D" getter halo black coated glass 1951 (8.8/9.6ma)

$ 39.99
5963 RCA black ribbed plates

5963 RCA black ribbed plates" and D getter halo NOS 1957 (sold out - read review)

$ 0.00
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