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(!!!!!) (Single) GZ34 Amperex Bugle Boy by Mullard used/tests like new 1962 faded printing some vertical scratches on base (60/40 and 62/40)
(!!!!) (Best Pair #1) ECC83=12AX7 BRIMAR EDISWAN VALVE England gray ribbed plates "o" getter NOS 1960's (1.6/1.5ma and 1.5/1.7ma)
(!!!!) (Best Pair #2) ECC83=12AX7 BRIMAR EDISWAN VALVE England gray ribbed plates "o" getter NOS 1960's (1.2/1.2ma and 1.3/1.3ma) 1-5% matched
(!!!!) (Best Pair #2) ECC83=12AX7 BRIMAR EDISWAN VALVE England gray ribbed plates "o" getter NOS 1960's (1.3/1.5ma and 1.8/1.3ma) (close Gm)
(!!!!) (Best Pair 1955) CV378=GZ37 Mullard UK "D" getter NOS 1955 no printing (56-56/40 and 57-57/40)
(!!!!) (Best Pair) JAN-CHS-6SL7WGT Sylvania brown base short round black plates "D" getter NOS 1955 (2.1/2.5ma and 2.1/2.4ma) 1-3% matched
(!!!!) (PAIR) 5751 Hitachi Japan glossy black ribbed plates triple mica double D getters 1960's (2.0/2.2ma and 1.8/2.2ma) (rare)
(!!!!) (READ REVIEW) GB-5931 Sylvania brown base gold brand 1960's (60/40 and 65/40)
(!!!!) (Single) EF86 Philips Miniwatt Holland NOS 1963 (2.9ma)
(!!!) (BEST 6X4 MULLARD) CV493=EZ90=6X4 Mullard UK NOS D getter 1955 in white box (60/40 and 60/40) 1% section balance
(!!!) (Best Pair #3) 407A Western Electric NOS "O" getter 1972-1983 (40-40/26 and 42-43/26)
(!!!) (BEST PAIR #3) 6463 GE NOS 1965 (14.5/12.8ma and 13.5/13.7ma)
(!!!) (BEST SINGLE #3) GZ32 Miniwatt Dario France NOS 1955 partially faded printing (62/40 and 62/40) small rattle inside base
(!!!) (Best SIngle 1950's) 12AT7 Brimar UK black plates "O" getter halo NOS late 1950's (11.6/12.8ma)
(!!!) (Best Single 1956) 12BH7A GE gray oval plates NOS "U" getter 1956 (10/9.8ma)
(!!!) (Best Single) 12AT7 Brimar UK branded Knight by Mullard black plates "O" getter NOS 1966 (9.2/10.2ma)
(!!!) (Best Single) 12AZ7 Tungsol black plates "D" getter halo NOS 1955 (12ma/14ma)
(!!!) (BEST SINGLE) GZ32 Miniwatt Dario France NOS 1955 era (63/40 and 63/40) small rattle inside base
(!!!) (Good Value Single) 12AX7 GE tall narrow ribbed plates used/good "D" getter 1952 (Gm=1300/1600) (oldest 12AX7)
(!!!) (Good Value) JG-5814A GE triple mica "U" getter halo like new 1955 in white box (8.8/9.6ma)
