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12AU7A Sylvania Dumont NOS 1960's (10/8.8ma)
(READ REVIEW) JG-5814A=12AU7 GE triple mica NOS "o" getter 1958-1959 (9.8/9.6ma) 1-2% section balance
(!) 12AU7A Sylvania NOS 1960 (10/10.1ma) 1-2% section balance
(!!!) (Single) 12AU7=ECC82 Telefunken Germany <> bottom ribbed plates like new 1959 (9.6ma/11.8ma)
(!!!) (Best Value) 12AU7=ECC82 Daystrom Mullard UK ribbed plates like new 1963 (9.0/10.2ma) (162 series) (smooth presentattion)
(READ REVIEW) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1970 good printing (11.6ma and 11.5ma) (same Gm) 1-2% section balance
(!!) (Single) 12AU7 Tungsol gray ribbed plates D getter NOS 1957 (11.5/8ma)
(!!!!) (Best Single #2) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1960 good printing (10.4ma and 11.0ma) (close Gm) (oldest single)
(!!!!) (Single) 12AU7 RCA Italy ribbed plates NOS 1960's (8/10.6ma)
(!!!!) (Best Single #1) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1960 good printing (11.0ma and 10.6ma) (Same Gm)
(!!!!!) (Best Pair #2) 12AU7=ECC82 Mullard UK ribbed plates NOS 1961-1964 (10/9.6ma and 10.8/10ma) (Rogue, Hovland, Audio Note, Prima Luna) (Close Gm)
(!!!!) (Best Single #1) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1964 good printing (11.0ma and 11.7ma)
(!!!!) (Best Single 1969) ECC82=12AU7 Philips Holland NOS 1969 (11.2/11.7ma) 1-3% section balance
(!!!!) (Single) 12AU7 EI Yugoslavia (Telefunken copy) smooth plates branded Philips NOS 1974 (8.2/7.8ma) (High Gm)
(!!!!) (Best Pair #2) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (8.4/9.0ma and 8.4/9.0ma) 1-3% matched
(!!!!) (Best Pair #3) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (9.0/8.6ma and 8.8/9.0ma) 1-3% matched
(!!) (BEST VALUE SINGLE) 12AU7A RCA branded CONN clear top used/good 1960's (8.4/8.2ma)
(!!!) (Good Value Single) 12AU7 Philips Australia NOS 1965 (8.5/8.0ma) (same internals as Holland made)
