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(!!!!) (BEST OVERALL SINGLE) 12AU7A GE NOS 1958 copper grid posts (11.8/11.4ma) 1-3% section balance

(!!!!) (BEST OVERALL SINGLE) 12AU7A GE NOS 1958 copper grid posts (11.8/11.4ma) 1-3% section balance

$ 39.99
(!!!!) (Best Single #2) 12AU7=ECC82 Mullard UK shield logo NOS 1965 (11.2/12.6ma) (smooth rich sound)

(!!!!) (Best Single #2) 12AU7=ECC82 Mullard UK shield logo NOS 1965 (11.2/12.6ma) (smooth rich sound)

$ 144.44
(!!!!) (Best Single 1969) ECC82=12AU7 Philips Holland NOS 1969 (11.2/11.7ma) 1-3% section balance

(!!!!) (Best Single 1969) ECC82=12AU7 Philips Holland NOS 1969 (11.2/11.7ma) 1-3% section balance

$ 139.99
(!!!!) (BEST SINGLE 1985) 12AU7A GE NOS 1985 copper grid posts (9.2/9.4ma) 1-2% section balance

(!!!!) (BEST SINGLE 1985) 12AU7A GE NOS 1985 copper grid posts (9.2/9.4ma) 1-2% section balance

$ 29.99
(!!!!) (Best Single) ECC82=12AU7 Philips Holland NOS 1972 (12/12ma) 1-2% section balance

(!!!!) (Best Single) ECC82=12AU7 Philips Holland NOS 1972 (12/12ma) 1-2% section balance

$ 139.99
(!!!!) (Single 1961) 12AU7=ECC82 Mullard BVA UK shield logo NOS 1961 (7.5/9ma) (Gf1 series) (smooth rich sound)

(!!!!) (Single 1961) 12AU7=ECC82 Mullard BVA UK shield logo NOS 1961 (7.5/9ma) (Gf1 series) (smooth rich sound)

$ 104.99
(!!!!) (Single) 12AU7 EI Yugoslavia (Telefunken copy) smooth plates branded Philips NOS 1974 (8.2/7.8ma) (High Gm)

(!!!!) (Single) 12AU7 EI Yugoslavia (Telefunken copy) smooth plates branded Philips NOS 1974 (8.2/7.8ma) (High Gm)

$ 49.99
(!!!!) (Single) 12AU7 RCA Italy ribbed plates NOS 1960's (8/10.6ma)

(!!!!) (Single) 12AU7 RCA Italy ribbed plates NOS 1960's (8/10.6ma)

$ 24.99
(!!!!) (SINGLE) 12AU7A GE NOS 1963 copper grid posts (8.9/10.2ma)

(!!!!) (SINGLE) 12AU7A GE NOS 1963 copper grid posts (8.9/10.2ma)

$ 29.99
(!!!!) (SINGLE) 12AU7A GE NOS 1972 copper grid posts (10.6/9.8ma) (warm and smooth)

(!!!!) (SINGLE) 12AU7A GE NOS 1972 copper grid posts (10.6/9.8ma) (warm and smooth)

$ 34.99
(!!!!) (SINGLE) 12AU7A GE NOS 1976 copper grid posts (9.4/8.8ma)

(!!!!) (SINGLE) 12AU7A GE NOS 1976 copper grid posts (9.4/8.8ma)

$ 31.99
(!!!) (BEST PRICE) 12AU7A GE used/good 1969 - 1980 (4 for $29.99)

(!!!) (BEST PRICE) 12AU7A GE used/good 1969 - 1980 (4 for $29.99)

$ 29.99
(!!!) (BEST PRICE) 12AU7A GE used/good 1971 - 1978 (4 for $29.99)

(!!!) (BEST PRICE) 12AU7A GE used/good 1971 - 1978 (4 for $29.99)

$ 29.99
(!!!) (Good Value Pair) 12AU7A RCA clear top used/good 1960's (7.5/9.6ma and 7.5/9.2ma)

(!!!) (Good Value Pair) 12AU7A RCA clear top used/good 1960's (7.5/9.6ma and 7.5/9.2ma)

$ 59.99
(!!!) (Recommended Black Plates) 12AU7A Westinghouse black plates 1960 era rebranded United 1981

(!!!) (Recommended Black Plates) 12AU7A Westinghouse black plates 1960 era rebranded United 1981 "D" getter halo (8.4/9.8ma) (similar to RCA black plates)

$ 39.99
(!!!) (Recommended Pair) 12AU7A GE NOS 1965-1975 (8.8/8.8ma and 9.2/8.8ma) (Same Gm) (smooth and warm)

(!!!) (Recommended Pair) 12AU7A GE NOS 1965-1975 (8.8/8.8ma and 9.2/8.8ma) (Same Gm) (smooth and warm)

$ 59.99
(!!!) (Recommended Single 1957) 12AU7A Sylvania gray pinched plates

(!!!) (Recommended Single 1957) 12AU7A Sylvania gray pinched plates "D" getter halo NOS 1957 (9.2/10.2ma)

$ 49.99
(!!!) (Recommended Single) 12AU7A GE NOS 1963 (8.6/9.5ma)

(!!!) (Recommended Single) 12AU7A GE NOS 1963 (8.6/9.5ma)

$ 24.99
(!!!) (Single) 12AU7A RCA clear top NOS 1968 (8/11ma)

(!!!) (Single) 12AU7A RCA clear top NOS 1968 (8/11ma)

$ 44.99
(!!!) (slightly microphonic) 12AU7A Westinghouse black plates

(!!!) (slightly microphonic) 12AU7A Westinghouse black plates "D" getter halo 1964 NOS (9.6/10.6ma) (similar to RCA black plates)

$ 29.99
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