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(!!!!!) (Best Overall Pair) 12AU7A RCA clear top NOS 1964-1965 good printing (10.2/12ma and 10.8/11.8) (close Gm)

(!!!!!) (Best Overall Pair) 12AU7A RCA clear top NOS 1964-1965 good printing (10.2/12ma and 10.8/11.8) (close Gm)

$ 159.99
(!!!!!) (Holland Single) 12AU7 Pope Holland NOS 1971 dimpled disc halo (12/13.4ma)

(!!!!!) (Holland Single) 12AU7 Pope Holland NOS 1971 dimpled disc halo (12/13.4ma)

$ 129.99
(!!!!!) (Nice Single) ECC82=12AU7 Telefunken Germany <> bottom ribbed plates used/good 1957 (8.5/8.2ma) (strong Gm)

(!!!!!) (Nice Single) ECC82=12AU7 Telefunken Germany <> bottom ribbed plates used/good 1957 (8.5/8.2ma) (strong Gm)

$ 99.99
(!!!!) (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 Pair #1) 12AU7WA=6189 RT Radio Technique France NOS 1961 (9.9/10ma and 9.4/9.2ma) (same Gm)

(!!!!) (Best Pair #1) 12AU7WA=6189 RT Radio Technique France NOS 1961 (9.9/10ma and 9.4/9.2ma) (same Gm)

$ 249.99
(!!!!) (Best Pair #1) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded

(!!!!) (Best Pair #1) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (8.4/9.0ma and 8.4/9.0ma) 1-3% matched

$ 269.99
(!!!!) (Best Pair #2) 12AU7WA=6189 RT Radio Technique France NOS 1961 (9.4/9.0ma and 9.2/9.2ma) (close Gm) 1-3% matched

(!!!!) (Best Pair #2) 12AU7WA=6189 RT Radio Technique France NOS 1961 (9.4/9.0ma and 9.2/9.2ma) (close Gm) 1-3% matched

$ 249.99
(!!!!) (Best Single #1) 12AU7=ECC82 Mullard UK shield logo NOS 1965 (11.2/12.6ma) (smooth rich sound)

(!!!!) (Best Single #1) 12AU7=ECC82 Mullard UK shield logo NOS 1965 (11.2/12.6ma) (smooth rich sound)

$ 144.44
(!!!!) (Best Single #1) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1960 good printing (11.0ma and 10.6ma) (Same Gm)

(!!!!) (Best Single #1) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1960 good printing (11.0ma and 10.6ma) (Same Gm)

$ 798.88
(!!!!) (Best Single #2) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded

(!!!!) (Best Single #2) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (8.8/8.0mA)

$ 129.99
(!!!!) (Best Single #2) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1960 good printing (10.4ma and 11.0ma) (close Gm) (oldest single)

(!!!!) (Best Single #2) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1960 good printing (10.4ma and 11.0ma) (close Gm) (oldest single)

$ 788.88
(!!!!) (Best Single #4) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1963 good printing (9.4ma and 10.7ma)

(!!!!) (Best Single #4) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1963 good printing (9.4ma and 10.7ma)

$ 748.88
(!!!!) (Best Single 1956) ECC82=12AU7 Siemens Halske

(!!!!) (Best Single 1956) ECC82=12AU7 Siemens Halske "Long Ribbed Plates" and large/wide "U" getter branded Haltron 1956 (10/9.2ma) (k62 series) (High Gm) (rare)

$ 299.99
(!!!!) (Best Single) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded

(!!!!) (Best Single) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (9.6/10.8mA)

$ 139.99
(!!!!) (Best Tungsol Pair 1959) 12AU7A Tungsol ribbed plates NOS

(!!!!) (Best Tungsol Pair 1959) 12AU7A Tungsol ribbed plates NOS "U" getter halo 1959 (8.5/8.8ma and 8.8/7.8ma)

$ 119.99
(!!!!) (Best Value Single) 12AU7 Philips Miniwatt Holland like new 1961 large

(!!!!) (Best Value Single) 12AU7 Philips Miniwatt Holland like new 1961 large "O" getter halo (9.6/11ma)

$ 99.99
(!!!!) (Best Value Single) ECC82=12AU7 Telefunken Germany <> Bottom ribbed plates NOS 1969 faded printing (10.8/10.0ma) (Highest Gm)

(!!!!) (Best Value Single) ECC82=12AU7 Telefunken Germany <> Bottom ribbed plates NOS 1969 faded printing (10.8/10.0ma) (Highest Gm)

$ 188.88
(!!!!) (Good Single 1950) 12AU7 Sylvania black plates

(!!!!) (Good Single 1950) 12AU7 Sylvania black plates "D" getter NOS 1950 (11/12.8ma)

$ 59.99
(!!!!) (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
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