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(!!!) 35W4 RCA NOS 1971 (51/40)

(!!!) 35W4 RCA NOS 1971 (51/40)

$ 8.88
(!!!) 5881 Tungsol used/good 1957 (58ma)

(!!!) 5881 Tungsol used/good 1957 (58ma)

$ 59.99
(!!!) 6336 Chatham metal plates used 1954 (59/74ma)

(!!!) 6336 Chatham metal plates used 1954 (59/74ma)

$ 29.99
(!!!) 6336 Chatham metal plates used 1957 (57/53ma)

(!!!) 6336 Chatham metal plates used 1957 (57/53ma)

$ 21.99
(!!!) CX-331 Cunningham NOS 1920's (12ma) (rare)

(!!!) CX-331 Cunningham NOS 1920's (12ma) (rare)

$ 39.99
(!!!) JAN-CTL-6AR6 Tungsol NOS 1951 gray oval plates (88ma)

(!!!) JAN-CTL-6AR6 Tungsol NOS 1951 gray oval plates (88ma)

$ 21.99
(!!!) USN-CRC-1629=VT-138 RCA NOS 1940 (bright eye) (oldest single)

(!!!) USN-CRC-1629=VT-138 RCA NOS 1940 (bright eye) (oldest single)

$ 35.99
(!!) (1 Pair) 31 Cunningham NOS 1940's (11ma and 11.6ma)

(!!) (1 Pair) 31 Cunningham NOS 1940's (11ma and 11.6ma)

$ 34.99
(!!) (Best Pair) 6CA4 Tungsol branded RAD TEL NOS 1961 (52/40 and 52/40 x 2 tubes) 1% matched

(!!) (Best Pair) 6CA4 Tungsol branded RAD TEL NOS 1961 (52/40 and 52/40 x 2 tubes) 1% matched

$ 59.99
(!!) (Best Pair) 6J6A Tungsol NOS

(!!) (Best Pair) 6J6A Tungsol NOS "D" getter 1961 (9.4/10.5ma and 9.0/11.4ma)

$ 12.99
(!!) (BEST PRICE!) 6W4GT RCA NOS (10 tubes for $27.99)

(!!) (BEST PRICE!) 6W4GT RCA NOS (10 tubes for $27.99)

$ 27.99
(!!) (BEST PRICE!) 6W4GT Tungsol NOS (10 tubes for $27.99)

(!!) (BEST PRICE!) 6W4GT Tungsol NOS (10 tubes for $27.99)

$ 27.99
(!!) (Best Single) 12AU7A Tungsol tall ribbed plates NOS

(!!) (Best Single) 12AU7A Tungsol tall ribbed plates NOS "O" getter halo 1960 era (9.8/9.6ma)

$ 59.99
(!!) (Best Single) 5687 Tungsol rebranded CBS black plates

(!!) (Best Single) 5687 Tungsol rebranded CBS black plates "U" getter NOS 1950's (38/48ma)

$ 79.99
(!!) (Best Single) 5Y3GT Tungsol NOS 1956 (60/40 and 56/40)

(!!) (Best Single) 5Y3GT Tungsol NOS 1956 (60/40 and 56/40)

$ 49.99
(!!) (Best Single) 6146B Sylvania NOS 1970's (107ma)

(!!) (Best Single) 6146B Sylvania NOS 1970's (107ma)

$ 62.99
(!!) (Best Single) 6550 Tungsol gray plate with vent holes NOS 1966 (163ma)

(!!) (Best Single) 6550 Tungsol gray plate with vent holes NOS 1966 (163ma)

$ 389.99
(!!) (Best Single) 6AH4GT Sylvania branded Hytron

(!!) (Best Single) 6AH4GT Sylvania branded Hytron "D" getter NOS 1954 (48ma) (Highest mA and Gm)

$ 19.99
(!!) (Best Single) UY-227 RCA Radiotron Balloon tests like new 1930 era (10.2ma)

(!!) (Best Single) UY-227 RCA Radiotron Balloon tests like new 1930 era (10.2ma)

$ 39.99
(!!) (Best Tungsol #1) 6SL7GT Tungsol gray ribbed plates NOS 1950's (2.3/2.5ma) (Same Gm)

(!!) (Best Tungsol #1) 6SL7GT Tungsol gray ribbed plates NOS 1950's (2.3/2.5ma) (Same Gm)

$ 49.99
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