(!!!!) (Recommended Pair) 6V6GT Sylvania NOS 1940's (46.5ma and 47.8ma)
(!!!!) (Recommended Pair) CV1067=6J5G GEC (M-O Valve) UK coated glass NOS 1950's (7.2ma and 7.2ma) 1-2% matched
(!!!!) (Recommended Pair) ECC82=12AU7 Telefunken Diamond Bottom ribbed plates used/tests like new 1960's (9.2ma/8.4ma and 9.3/9.4ma)
(!!!!) (Recommended Single 1953) 12BH7 Sylvania black oval plates "square=D" getter halo NOS 1953 reboxed (11.2/15.2ma)
(!!!!) (Recommended Single) 12AX7 RCA black plates branded GE "U" getter NOS 1956 (1.1/0.9ma and Gm=1600/1400)
(!!!!) (Recommended Single) 12BH7A Sylvania gray oval plates "O" getter halo NOS 1962 (10.2/11.8ma)
(!!!!) (Recommended Single) 2A3 RCA gray plates NOS 1960 (104ma)
(!!!!) (Recommended Single) 5751 GE 5-Star gray plates NOS 1965 (2.3/2.1ma)
(!!!!) (Recommended Single) 6350 GE NOS 1960's (11.2/13.2ma)
(!!!!) (Recommended Single) 6SL7WGT Sylvania brown base round black plates "D" getter tests like new 1957 (2.1/2.3ma)
(!!!!) (Recommended Single) JG-5751WA GE black plates triple mica D getter 1958 like new (2.6/2.6ma) 1% section balance
(!!!!) (Recommended Single) JG-5751WA GE black plates triple mica D getter 1958 like new (2.9/2.8ma)
(!!!!) (Recommended Single) JG-5751WA GE NOS black plates triple mica D getter halo 1955 (2.1/2.5ma)
(!!!!) (Recommended Single) Z729=EF86 GEC UK mesh-plate NOS "D" getter halo 1950's (3.1ma)
(!!!!) (Recommended Single) Z729=EF86 GEC UK NOS "D" getter halo 1950's (2.9ma Gm=2000)
(!!!!) (Single 1950's) 12BH7A RCA branded Westinghouse narrow black plates NOS "U" getter mid-1950's (10.6/7.4ma) (1st series made)
(!!!!) (Single) 5751 GE NOS gray plates NOS 1981 (2.6/2.9ma) (Same Gm)
(!!!!) (Slightly microhonic Single) 5751 RCA Hewlett Packard black plates NOS 1968 (2.4/2.6ma)
(!!!!) 5AS4A Raytheon "D" getter 1960 era (58/40 and 62/40) (uprated 5U4GB)
(!!!!) 6AK5 GE NOS 1973 (10.2ma)
