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(!!!!!) (Best Overall Pair) JAN-6384 Tungsol low hours/test like new 1967-1972 (68.5ma and 66ma)

(!!!!!) (Best Overall Pair) JAN-6384 Tungsol low hours/test like new 1967-1972 (68.5ma and 66ma)

$ 179.99
(!!!!!) (Best Overall Pair) JAN-CRC-5V4G RCA NOS black plates 1956 (61-62/40 and 62-62/40) 1-2% matched (next best to GZ32 Mullard UK)

(!!!!!) (Best Overall Pair) JAN-CRC-5V4G RCA NOS black plates 1956 (61-62/40 and 62-62/40) 1-2% matched (next best to GZ32 Mullard UK)

$ 119.99
(!!!!!) (Best Overall Pair) JAN-CRC-5V4G RCA NOS black plates 1956 (62-62/40 and 62-62/40) 1-2% matched (next best to GZ32 Mullard UK)

(!!!!!) (Best Overall Pair) JAN-CRC-5V4G RCA NOS black plates 1956 (62-62/40 and 62-62/40) 1-2% matched (next best to GZ32 Mullard UK)

$ 119.99
(!!!!!) (Best Overall Pair) JAN-CRC-5V4G RCA NOS black plates 1956 (64-62/40 and 63-62/40) 1-3% matched (next best to GZ32 Mullard UK)

(!!!!!) (Best Overall Pair) JAN-CRC-5V4G RCA NOS black plates 1956 (64-62/40 and 63-62/40) 1-3% matched (next best to GZ32 Mullard UK)

$ 119.99
(!!!!!) (Best Single) 45 Raytheon NOS 1940's (38ma) (Highest Ma and Gm)

(!!!!!) (Best Single) 45 Raytheon NOS 1940's (38ma) (Highest Ma and Gm)

$ 129.99
(!!!!!) (Single) 45 RCA/Cunningham engraved base used/65-70% (19ma)

(!!!!!) (Single) 45 RCA/Cunningham engraved base used/65-70% (19ma)

$ 49.99
(!!!!) (Best Overall Pair) 5U4GB RCA NOS 1975 same date codes (61-60/40 and 60-60/40) 1-2% matched (Best Sound)

(!!!!) (Best Overall Pair) 5U4GB RCA NOS 1975 same date codes (61-60/40 and 60-60/40) 1-2% matched (Best Sound)

$ 168.88
(!!!!) (Best Pair #1) 5881 Tungsol used/good 1960's (63.2ma and 66ma)

(!!!!) (Best Pair #1) 5881 Tungsol used/good 1960's (63.2ma and 66ma)

$ 134.99
(!!!!) (Best Pair #2) 5881 Tungsol used/strong 1951 (67ma and 71ma) (1st series made)

(!!!!) (Best Pair #2) 5881 Tungsol used/strong 1951 (67ma and 71ma) (1st series made)

$ 198.88
(!!!!) (Best Pair #3) 5881 Tungsol branded RCA used/good 1963 (60ma and 62ma)

(!!!!) (Best Pair #3) 5881 Tungsol branded RCA used/good 1963 (60ma and 62ma)

$ 99.99
(!!!!) (Best Single #1) 5881 Tungsol branded CBS NOS 1961 (88ma)

(!!!!) (Best Single #1) 5881 Tungsol branded CBS NOS 1961 (88ma)

$ 138.88
(!!!!) (Best Single) 6550 Tungsol branded RCA NOS vented plate NOS 1965 (130ma) (Recommended for Audio Research Ref power supply)

(!!!!) (Best Single) 6550 Tungsol branded RCA NOS vented plate NOS 1965 (130ma) (Recommended for Audio Research Ref power supply)

$ 329.99
(!!!!) (Best Single) JAN-5998 Tungsol NOS black plates NOS 1966 same build as 421A Western Electric (87ma/73ma)

(!!!!) (Best Single) JAN-5998 Tungsol NOS black plates NOS 1966 same build as 421A Western Electric (87ma/73ma)

$ 448.88
(!!!!) (BEST SINGLE) JAN-CHY-5U4G CBS NOS 1957 (58/40 and 60/40)

(!!!!) (BEST SINGLE) JAN-CHY-5U4G CBS NOS 1957 (58/40 and 60/40)

$ 139.99
(!!!!) (Best Tungsol Single) 6V6GT Tungsol gray plate/coated glass NOS 1945 era - some surface oxidation on metal can (45.5ma)

(!!!!) (Best Tungsol Single) 6V6GT Tungsol gray plate/coated glass NOS 1945 era - some surface oxidation on metal can (45.5ma)

$ 88.88
(!!!!) (Best Value Pair) 5881 Tungsol and Tungsol branded RCA NOS 1957-1959 (63ma and 63ma)

(!!!!) (Best Value Pair) 5881 Tungsol and Tungsol branded RCA NOS 1957-1959 (63ma and 63ma)

$ 259.99
(!!!!) (PAIR) 5V4GA RCA NOS gray plates 1967-1971 slightly tilted glass (60-60/40 and 59-59/40)

(!!!!) (PAIR) 5V4GA RCA NOS gray plates 1967-1971 slightly tilted glass (60-60/40 and 59-59/40)

$ 68.88
(!!!!) (Single) 6550 Tungsol branded Sylvania smooth gray plate used/goo 1960 era (116ma)

(!!!!) (Single) 6550 Tungsol branded Sylvania smooth gray plate used/goo 1960 era (116ma)

$ 199.99
(!!!!) (Single) 6CG7 Tungsol NOS 1960 era black shield between plates - pin #3 slightly shorter (8.6ma/10ma)

(!!!!) (Single) 6CG7 Tungsol NOS 1960 era black shield between plates - pin #3 slightly shorter (8.6ma/10ma)

$ 34.99
(!!!!) 5654=6AK5W GE Dumont NOS 1970's (10.2ma)

(!!!!) 5654=6AK5W GE Dumont NOS 1970's (10.2ma)

$ 5.99
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