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(!!!!) (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
(!!!!) (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
(!!!) (Single) 12AU7=ECC82 Telefunken Germany <> bottom smooth plates NOS 1968 (14.5ma/8.6ma)

(!!!) (Single) 12AU7=ECC82 Telefunken Germany <> bottom smooth plates NOS 1968 (14.5ma/8.6ma)

$ 144.44
(!!!!) (slightly microphonic single) ECC82=12AU7 Telefunken Diamond Bottom smooth plates NOS 1961 very good printing (10.0/10.8ma) (high Gm)

(!!!!) (slightly microphonic single) ECC82=12AU7 Telefunken Diamond Bottom smooth plates NOS 1961 very good printing (10.0/10.8ma) (high Gm)

$ 99.99
(!!!!!) (BEST PAIR #1) 12AU7=ECC82 Telefunken Germany smooth plates NOS 1968 fair printing (9.0/9.8ma and 10/8.8ma) (Same Gm) 1-3% matched

(!!!!!) (BEST PAIR #1) 12AU7=ECC82 Telefunken Germany smooth plates NOS 1968 fair printing (9.0/9.8ma and 10/8.8ma) (Same Gm) 1-3% matched

$ 429.99
(!!!) (Single) 12AU7=ECC82 Telefunken Germany <> bottom ribbed plates like new 1959 (9.6ma/11.8ma)

(!!!) (Single) 12AU7=ECC82 Telefunken Germany <> bottom ribbed plates like new 1959 (9.6ma/11.8ma)

$ 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
(!!!!!) (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
(!!!!) (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
(!!!!) (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
(!!) (Good Value) 12AT7 Telefunken Diamond Bottom used/good early 1960's (7.8ma/10.8ma)

(!!) (Good Value) 12AT7 Telefunken Diamond Bottom used/good early 1960's (7.8ma/10.8ma)

$ 49.99
(!!) (Good Value) 12AT7 Telefunken Germany <> bottom used/good 1960's no printing (7.6ma/7.6ma) 1-2% section balance

(!!) (Good Value) 12AT7 Telefunken Germany <> bottom used/good 1960's no printing (7.6ma/7.6ma) 1-2% section balance

$ 49.99
(!!!) (Best Single) 12AT7=ECC81 Siemens Halske Germany branded Telefunken NOS 1961 (12.2ma/10ma)

(!!!) (Best Single) 12AT7=ECC81 Siemens Halske Germany branded Telefunken NOS 1961 (12.2ma/10ma)

$ 59.99
(!!!) (Recommended Single) 12AT7 Telefunken Germany <> bottom NOS 1957 (9.8ma/7.2ma)

(!!!) (Recommended Single) 12AT7 Telefunken Germany <> bottom NOS 1957 (9.8ma/7.2ma)

$ 99.99
(!!) (Best used single) 12AT7 Telefunken Diamond Bottom used/good early 1960's (9.0ma/9.4ma)

(!!) (Best used single) 12AT7 Telefunken Diamond Bottom used/good early 1960's (9.0ma/9.4ma)

$ 59.99
(!!!!) (Best Value Single) 12AX7 Telefunken Germany smooth plates low hours/tests like new 1965 some stains on glass (Gm=1600/1700 and 1.2/1.3ma)

(!!!!) (Best Value Single) 12AX7 Telefunken Germany smooth plates low hours/tests like new 1965 some stains on glass (Gm=1600/1700 and 1.2/1.3ma)

$ 219.99
(!!!!) (Best Single #1) ECC81=12AT7 Telefunken Germany <> bottom NOS 1965 (12.6ma/11.3ma) (mic grade)

(!!!!) (Best Single #1) ECC81=12AT7 Telefunken Germany <> bottom NOS 1965 (12.6ma/11.3ma) (mic grade)

$ 109.99
(!!!!) (Best Pair #1) ECC82=12AU7 Philips and Pope Holland NOS 1971-1972 (12.6/12.8ma and 12.3/12.6ma) 1-3% section balance (Highest mA and Gm)

(!!!!) (Best Pair #1) ECC82=12AU7 Philips and Pope Holland NOS 1971-1972 (12.6/12.8ma and 12.3/12.6ma) 1-3% section balance (Highest mA and Gm)

$ 279.99
(!!!!!) (Best Single) ECC83=12AX7 Telefunken Germany <> bottom smooth plates NOS 1969 (1.3/1.1ma and Gm=1800/1600)

(!!!!!) (Best Single) ECC83=12AX7 Telefunken Germany <> bottom smooth plates NOS 1969 (1.3/1.1ma and Gm=1800/1600)

$ 339.99

(October 27th, 2026)

5 pairs) 6L6GC RCA, Sylvania and GE - 6 pairs) 12AU7WA RT France 1961 - 6) 12AX7 Mullard UK 1961-1969 - 6) 12AX7 Brimar Ediswan UK 1960's...
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