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6DL5=EL95 Telefunken Germany <> bottom used/good 1964 (21ma)
EF804 Telefunken Germany NOS 1959 (2.4ma)
(!!!) (Best Value) 12AU7=ECC82 Daystrom Mullard UK ribbed plates used/good 1960 (8.0/8.4ma) (161 series) (smooth presentattion)
(!!) (Recommended pair) E83F=6689 Philips SQ Holland NOS gold pins 1974 (9.4ma and 9.6ma)
JG-6189=12AU7WA GE triple mica NOS 1963 (8.6/10.4ma)
(!!!) (Recommended Pair) 6DJ8=ECC88 Telefunken Germany <> bottom NOS branded Valvo 1960's (12/12.8ma and 13.8/12.6ma)
(!!!!) (Best Pair #1) 12AU7WA=6189 RT Radio Technique France NOS 1961 (9.4/9.0ma and 9.2/9.2ma) (close Gm) 1-3% matched
(!!!) (Best Single #2) 5814A=12AU7 GE "5 STAR" with "O" getter halo 1967 (10.6/10.2ma) (Same Gm) 1-2% section balance
DY80 Telefunken NOS
CV4069=12AU7 Brimar UK NOS with flying leads (no pins)
(!!!) (Good Value Single) 12AU7 EICO Holland used/good 1961 (8.0/9.6ma)
12AT7 East Germany branded "M" Mühlhausen NOS 1970's (7.2/7.6ma)
6EJ7 RCA by Siemens Germany NOS 1972 (12.4ma)
EF89=6DA6 Philips Miniwatt Holland used/good 1960 (7.6ma)
(!) (Best Single) 7247=12DW7 Amperex Globe Logo by Matsushita Japan NOS 1967 similar sound to Mullard (1.5ma and 11.6ma) (High mA and Gm)
(!!!!) (Best Single #1) 12AU7WA=6189 RT Radio Technique France NOS 1961 (10.6/10.2ma) (High Gm)
EL84 Telefunken Germany <> bottom used/good 1960's no printing (39.2ma)
6EJ7 RCA by Siemens Germany NOS 1971 (10ma)
(!) ECC82=12AU7 Valvo Holland used/good 75-90% 1968 (7.8/9.0ma)
(!!!) (slightly microphonic) 12AU7A Westinghouse black plates "D" getter halo 1964 NOS (9.6/10.6ma) (similar to RCA black plates)
