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(!!!) (Best 0verall Single) GB-6350 Sylvania Gold Brand black plates NOS 1963 square

(!!!) (Best 0verall Single) GB-6350 Sylvania Gold Brand black plates NOS 1963 square "" getter (14/13ma)

$ 59.99
(!!!) (BEST PAIR #1) 6AN8A RCA NOS 1969 (17.4/12.6ma and 18.6/13.4ma)

(!!!) (BEST PAIR #1) 6AN8A RCA NOS 1969 (17.4/12.6ma and 18.6/13.4ma)

$ 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 #4) 6J5GT Ken Rad black ribbed plates NOS 1942 (7.2ma and 7.2ma) 1-2% matched

(!!!) (Best Pair #4) 6J5GT Ken Rad black ribbed plates NOS 1942 (7.2ma and 7.2ma) 1-2% matched

$ 52.99
(!!!) (Best Pair 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (50-53/40 and 50-54/40)

(!!!) (Best Pair 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (50-53/40 and 50-54/40)

$ 54.99
(!!!) (Best Pair) 12BA6 Tungsol NOS 1960 era (10.2ma / 11.0ma)

(!!!) (Best Pair) 12BA6 Tungsol NOS 1960 era (10.2ma / 11.0ma)

$ 19.99
(!!!) (Best Pair) 12BA6 Westinghouse NOS 1960 era (9.8ma / 10.4ma)

(!!!) (Best Pair) 12BA6 Westinghouse NOS 1960 era (9.8ma / 10.4ma)

$ 18.99
(!!!) (Best Pair) 6A7G Marconi Radiotron Canada NOS 1950 era (47/29 and 47/29)

(!!!) (Best Pair) 6A7G Marconi Radiotron Canada NOS 1950 era (47/29 and 47/29)

$ 38.99
(!!!) (Best Pair) 6BL7GTA Sylvania branded GE NOS 1967-1968 (42.5/39.5ma and 40.2/43.2ma)

(!!!) (Best Pair) 6BL7GTA Sylvania branded GE NOS 1967-1968 (42.5/39.5ma and 40.2/43.2ma)

$ 27.99
(!!!) (Best Single #1 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (59/40 and 62/40) (Best Sound)

(!!!) (Best Single #1 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (59/40 and 62/40) (Best Sound)

$ 29.99
(!!!) (Best Single #1) 5881 Tungsol NOS 1954 (79.5ma)

(!!!) (Best Single #1) 5881 Tungsol NOS 1954 (79.5ma)

$ 139.99
(!!!) (Best Single #1) 6SN7GTB Silvertone by Sylvania NOS 1960 era (10.4ma and 10.8ma) 1-2% section balance (Same Gm)

(!!!) (Best Single #1) 6SN7GTB Silvertone by Sylvania NOS 1960 era (10.4ma and 10.8ma) 1-2% section balance (Same Gm)

$ 74.99
(!!!) (Best Single #2) 6X5GT=VT-126B RCA black plates NOS 1943 (52/40 and 56/40) (Best Sound)

(!!!) (Best Single #2) 6X5GT=VT-126B RCA black plates NOS 1943 (52/40 and 56/40) (Best Sound)

$ 29.99
(!!!) (Best Single #3) 6SN7GTB Sylvania NOS 1960 era (8.6ma and 7.6ma)

(!!!) (Best Single #3) 6SN7GTB Sylvania NOS 1960 era (8.6ma and 7.6ma)

$ 64.99
(!!!) (Best SIngle 1950's) 12AT7 Brimar UK black plates

(!!!) (Best SIngle 1950's) 12AT7 Brimar UK black plates "O" getter halo NOS late 1950's (11.6/12.8ma)

$ 89.99
(!!!) (Best Single) 12AT7 Brimar UK branded Knight by Mullard black plates

(!!!) (Best Single) 12AT7 Brimar UK branded Knight by Mullard black plates "O" getter NOS 1966 (9.2/10.2ma)

$ 59.99
(!!!) (Best Single) 5U4GB Hytron NOS

(!!!) (Best Single) 5U4GB Hytron NOS "O" getter halo 1960 era (59/40 and 60/40)

$ 49.99
(!!!) (Best Single) 6350 Sylvania Hewlett Packard black plates

(!!!) (Best Single) 6350 Sylvania Hewlett Packard black plates "D" getter halo tests like new 1950's (12.8/12.6ma) (Same Gm) 1-2% section balance

$ 39.99
(!!!) (Best Single) 6AN8 RCA branded Raytheon

(!!!) (Best Single) 6AN8 RCA branded Raytheon "D" getter gray plates NOS 1960 era (16.5/15.5ma)

$ 21.99
(!!!) (Best Single) 6BX7GT RCA NOS 1967 (48ma/49ma)

(!!!) (Best Single) 6BX7GT RCA NOS 1967 (48ma/49ma)

$ 21.99
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