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(!!!) (Recommended Single) 6BX7GT GE "O" getter gray plates 1963 (71/76ma)
(!!!) (Recommended Single) 6BX7GT GE branded Westinghouse "O" getter gray plates 1960's (43/48ma)
(!!!) (Recommended Single) 6BX7GT GE branded Westinghouse black plates NOS "O" getter 1962 (71/79ma)
(!!!) (Recommended Single) 6SN7GTB Westinghouse gray plates NOS 1965 (8.6/7.4ma)
(!!!) (Recommended Single) EF94=6AU6 Tungsol used/tests like new 1957 (10ma)
(!!!) (Single 1956) 6BX7GT GE triple mica "D" getter halo NOS 1956 (41/40ma)
(!!!) (Single) 7025 GE tall ribbed plates "U" getter 1960 used/good (Gm=1450/1450 and 0.9/0.9ma) 1% section balance
(!!!) (slightly microphonic pair) E182CC=7119 Mullard SQ Holland NOS "O" getter halo 1963 (33.8ma/33.8ma and 35.2/34.4ma) (Same Gm)
(!!!) (~ Best Value Single ~) EL84 Brimar England low hours/tests like new 1961 (50ma)
(!!!) 12AU7WA Mullard branded Chelmer Valve used/good 1961 (7.7/8.8ma)
(!!!) 6B4G Tungsol NOS 1940's (81ma)
(!!!) 6EU7 GE NOS pinched gray plates 1970 (48/32 and 50/32)
(!!) (Best CBS Single) 6SN7GTB CBS black plates side-getter NOS, the same shape as Sylvania 6SN7GTB 1959 (8.0/8.2ma)
(!!) (Best Pair #2) ECC81=12AT7 Philips by Mullard and Mullard UK NOS 1965-1970 (10.5/12ma and 11.2/10.6ma) (sweet sound)
(!!) (BEST PAIR) 272A Western Electric NOS "meshplate" 1961 and 1969 (6.1ma and 6.4ma)
(!!) (Best Pair) 6J6A Tungsol NOS "D" getter 1961 (9.4/10.5ma and 9.0/11.4ma)
(!!) (Best Single) 12BH7A Westinghouse Canada ribbed plates NOS 1967 (12.2/14.2ma)
(!!) (Best Value Single) 12AU7A=ECC82 Mullard UK ribbed plates used/tests like new 1962 (Gf1 series) (10.0/12ma) 1-2 section balance (Same Gm)
(!!) (Good Value Single) ECC82=12AU7 Philips Miniwatt Holland used/good 1965 (7.8/10ma)
(!!) (Good Value Single) EL84 Amperex Holland "D" getter used/75% 1959 (33ma)
