(!!!!) (Best Single 1959) ECC82=12AU7 Miniwatt Holland "D" getter 1959 (ct3-delta9I) (11.2/11.4ma)
(!!!) (Best Single 1961) ECC82=12AU7 Miniwatt Holland NOS 1961 (9.8/9.2ma)
(!!!) (Best Single 1967) ECC82=12AU7 Philips Holland NOS 1967 (11.2/10.6ma) (same Gm)
(!!!) (Best Sylvania Pair) 6Y6GA Sylvania NOS "D" getters same build (64ma and 65ma)
(!!) (2nd Best RCA Pair) 6Y6GA RCA clear top black plate 1971-1973 (72.5ma and 70ma)
(!!) (Best RCA Pair) 6Y6GA RCA clear top black plate 1965 (67.5ma and 68ma)
(!!) (Best Single) JAN-CNU-805 National Union NOS 1940-1945 reboxed large getter
(!!) (Good Value Single) 12AU7 Amperex "Hewlett Packard" Holland "o" getter halo used/good 1968 (8.2/8.4ma)
(!!) (Good Value Single) 12AU7 Amperex Holland "o" getter halo used/like new 1965 no printing 1965 (10.6/10.6ma) 1% section balance
(!!) (Recommended Pair) 6Y6GA Sylvania NOS same build (56.6ma and 57ma)
(!!) (Single) 6Y6G Tungsol NOS 1954 (74ma)
(!!) (Single) JAN-CKR-6Y6G Ken Rad NOS 1944 (56ma)
(!!) (Single) JAN-CKR-6Y6G Ken Rad NOS 1944 (75ma)
(!) 6Y6G=VT-168A Raytheon coated glass NOS 1944 (60ma)
6Y6G Arcturus by Tungsol coated glass used/good/70% 1940's (43ma) tested on amplitrex
6Y6G GE 1943 used/good black plate, double filaments, crack in base (56ma) tested on amplitrex
6Y6G GE used/good/75% 1958 (46ma) tested on amplitrex (high Gm)
6Y6G National Union coated glass used/good/75% 1952 (46ma) tested on amplitrex
6Y6G RCA clear glass gray plate NOS 1959 (52ma)
6Y6G Sylvania rebranded Raytheon coated glass used 1953 (45ma) tested on amplitrex
