(!!!) (Recommended Pair 1963) JG-5751 GE double mica gray plates NOS 1963 (2.0/1.9ma and 1.9/1.8ma) (same Gm)
(!!!) (Recommended Pair) 407A Western Electric NOS "D" getter 1962-1970 (36-39/26 and 34-38/26)
(!!!) (Recommended Pair) 407A Western Electric NOS "O" getter 1972-1983 (40-40/26 and 42-43/26)
(!!!) (Recommended Pair) 407A Western Electric NOS "O" getter 1978 (35-43/26 and 37-43/26)
(!!!) (Recommended Pair) 6BL7GTA GE and GE branded Admiral 1960's (38/40ma and 35/45ma)
(!!!) (Recommended Pair) 6DJ8=ECC88 Telefunken Germany <> bottom NOS branded Valvo 1960's (12/12.8ma and 13.8/12.6ma)
(!!!) (Recommended Pair) E80CC=6085 ITT NOS and Philips Miniwatt SQ Holland like new 1970-1973 (6.8/8.0ma and 7.9/8.0ma) (Highest mA and Gm)
(!!!) (Recommended Single 1963) JG-5751 GE double mica gray plates NOS 1963 (2.2/2.4ma)
(!!!) (Recommended Single) 12AT7 Fisher Telefunken Germany <> bottom NOS 1964 (7ma/11ma) (recommended for mic)
(!!!) (Recommended Single) 12AT7 Fisher Telefunken Germany <> bottom NOS 1964 (9ma/6.5ma) (recommended for mic)
(!!!) (Recommended Single) 6336A Tungsol NOS 1960 era (75/80ma) ***
(!!!) (Recommended Single) 6DJ8 Amperex Bugle Boy Holland like new 1965 (12.6/13.6ma)
(!!!) (Recommended Single) E80CC=6085 Philips SQ Holland NOS 1967 (5.8ma/6.9ma) (close Gm)
(!!!) (Recommended Single) JAN-5751 GE double mica gray plates NOS 1981-1982 (2.3/2.7ma)
(!!!) (Recommended Single) JAN-5814A RCA black plates NOS 1966 (9.8/11.4ma)
(!!!) (Recommended Single) JHS-6005 Sylvania NOS coated glass 1966 (46.5ma)
(!!!) (Single) ECC81=12AT7 Telefunken Germany <> bottom NOS 1963 (6.8ma/7.6ma) (recommended for mic)
(!!!) 6336 Chatham metal plates used 1954 (59/74ma)
(!!!) 6336 Chatham metal plates used 1957 (57/53ma)
(!!) (BEST PAIR) 6EU7 GE NOS 1970-1978 (46-47/32 and 47-47/32) 1-2% matched
