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(!!!) (Good Value Single) 12AU7 EICO Holland used/good 1961 (8.0/9.6ma)
(!!!) (Good Value Single) 12AU7 Philips Australia NOS 1970 era (9.6/8.8ma) (same internals as Holland made)
(!!!) (Good Value Single) JAN-6189=12AU7WA Sylvania NOS 1960 era in white box (8.6/10ma)
(!!!) (Good Value) JG-5814A GE triple mica "U" getter halo like new 1955 in white box (8.8/9.6ma)
(!!!) (Recommended Black Plates) 12AU7A Westinghouse black plates 1960 era rebranded United 1981 "D" getter halo (8.4/9.8ma) (similar to RCA black plates)
(!!!) (Recommended Pair) 12AU7A GE NOS 1965-1975 (8.8/8.8ma and 9.2/8.8ma) (Same Gm) (smooth and warm)
(!!!) (Recommended Pair) 5963 gray plates NOS 1967-1973 (9.4/9.09ma and 8.4/9.0ma)
(!!!) (Recommended Single 1957) 12AU7A Sylvania gray pinched plates "D" getter halo NOS 1957 (9.2/10.2ma)
(!!!) (Recommended Single) 12AU7=ECC82 Mullard UK branded Philips NOS 1969 (9.0/9.2ma) 1-2% section balance
(!!!) (Recommended Single) 12AU7A GE NOS 1963 (8.6/9.5ma)
(!!!) (Recommended Single) 12AU7A RCA clear top NOS 1960 era (9.6/9.8ma) (Same Gm)
(!!!) (Recommended Single) 12AU7A RCA clear top NOS 1969 (8.4/8.2ma)
(!!!) (Recommended Single) 5814A=12AU7 GE "5 STAR" with "O" getter halo 1963 (10/14ma)
(!!!) (Recommended Single) CV491=12AU7=ECC82 Brimar England NOS ribbed plates 1974 (9.4/9.2ma)
(!!!) (Single 1960) 5814A=12AU7 GE "5 Star" triple mica NOS "o" getter 1960 (8.0/7.9ma)
(!!!) (SINGLE) 12AU7 RCA tall black plates "D" getter used/good 1950's (9.8/8.2ma)
(!!!) (Single) 12AU7=ECC82 Mullard BVA UK ribbed plates used/good 1970 Mitcham plant (8.4/8.2ma) (sweet sound)
(!!!) (Single) 12AU7=ECC82 Telefunken Germany <> bottom ribbed plates like new 1959 (9.6ma/11.8ma)
(!!!) (Single) 12AU7=ECC82 Telefunken Germany <> bottom smooth plates NOS 1968 (14.5ma/8.6ma)
(!!!) (Single) 12AU7A RCA clear top NOS 1968 (8/11ma)
