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(!!!!!) (Best Pair) ECC801S=12AT7 Telefunken Germany <> bottom NOS triple mica 1965 and 1966 (9.6/9.6mA and 9.5/9.2mA) (1-3% matched) (transparent and open)

(!!!!!) (Best Pair) ECC801S=12AT7 Telefunken Germany <> bottom NOS triple mica 1965 and 1966 (9.6/9.6mA and 9.5/9.2mA) (1-3% matched) (transparent and open)

$ 688.88
(!!!!!) (Best Sound for the Money Pair) JAN-12AT7WC Sylvania black plates NOS 1978-1980 (7.8/8.8ma and 7.2/9.4ma)

(!!!!!) (Best Sound for the Money Pair) JAN-12AT7WC Sylvania black plates NOS 1978-1980 (7.8/8.8ma and 7.2/9.4ma)

$ 62.99
(!!!!!) (Best Value Pair) 12AT7=ECC81 Telefunken Germany Diamond Bottom <> used/good 1960's (7.6/6.2ma and 6.2/7.2ma)

(!!!!!) (Best Value Pair) 12AT7=ECC81 Telefunken Germany Diamond Bottom <> used/good 1960's (7.6/6.2ma and 6.2/7.2ma)

$ 88.88
(!!!!) (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 Single #2) ECC81=12AT7 Telefunken Germany <> bottom NOS 1960's faded printing (8.8ma/9.8ma) (mic grade)

(!!!!) (Best Single #2) ECC81=12AT7 Telefunken Germany <> bottom NOS 1960's faded printing (8.8ma/9.8ma) (mic grade)

$ 98.88
(!!!!) (BEST SINGLE #3) JG-12AT7WA=6201 GE NOS

(!!!!) (BEST SINGLE #3) JG-12AT7WA=6201 GE NOS "blue tip - red dot" triple mica, "O" getter halo, gray plates 1960 (8.6/11.8ma)

$ 32.99
(!!!!) (Best Single) 12AT7=ECC81 Mullard Amperex UK NOS 1971 (9/8ma)

(!!!!) (Best Single) 12AT7=ECC81 Mullard Amperex UK NOS 1971 (9/8ma)

$ 59.99
(!!!!) (BEST SINGLE) 6201=12AT7WC GE

(!!!!) (BEST SINGLE) 6201=12AT7WC GE "5 STAR" NOS double mica, copper grid posts, gray plates, 1972 (9.8/10.5ma)

$ 39.99
(!!!!) (Best Single) ECC801S=12AT7 Telefunken Germany <> bottom NOS 1966 (10.2/10.3ma) 1-2% section balance (transparent - open)

(!!!!) (Best Single) ECC801S=12AT7 Telefunken Germany <> bottom NOS 1966 (10.2/10.3ma) 1-2% section balance (transparent - open)

$ 349.99
(!!!!) (Best Sound/Best Price) 12AT7 GE gray plates NOS 1961 (10/15ma and 14.5/10ma) (sweet sound)

(!!!!) (Best Sound/Best Price) 12AT7 GE gray plates NOS 1961 (10/15ma and 14.5/10ma) (sweet sound)

$ 49.99
(!!!!) (Best Value Pair) JAN-12AT7WC Sylvania black plates NOS 1981 (6.8/7.6ma and 7.2/6.2ma)

(!!!!) (Best Value Pair) JAN-12AT7WC Sylvania black plates NOS 1981 (6.8/7.6ma and 7.2/6.2ma)

$ 49.99
(!!!!) (Recommended Single 1954) GL-6201=12AT7WA GE

(!!!!) (Recommended Single 1954) GL-6201=12AT7WA GE "5 STAR" black plates triple mica D getter 1954 tests like new (8.2/8.4ma)

$ 49.99
(!!!!) (Single) 12AT7 Philips by Mullard UK NOS 1965 (14.3/8.5ma)

(!!!!) (Single) 12AT7 Philips by Mullard UK NOS 1965 (14.3/8.5ma)

$ 69.99
(!!!!) (Single) 12AT7 RCA NOS 1965 (7.2/12.8ma) (good tone)

(!!!!) (Single) 12AT7 RCA NOS 1965 (7.2/12.8ma) (good tone)

$ 33.33
(!!!!) (Single) 12AT7=ECC81 Mullard UK used/tests like new 1968 (10.2/12.2ma)

(!!!!) (Single) 12AT7=ECC81 Mullard UK used/tests like new 1968 (10.2/12.2ma)

$ 59.99
(!!!) (Best 12AT7WC Single) JAN-12AT7WC Sylvania black plates NOS 1978 (9/10ma)

(!!!) (Best 12AT7WC Single) JAN-12AT7WC Sylvania black plates NOS 1978 (9/10ma)

$ 24.99
(!!!) (Best SIngle 1950's) 12AT7 Brimar UK black plates

(!!!) (Best SIngle 1950's) 12AT7 Brimar UK black plates "O" getter halo NOS late 1950's (11.6/12.8ma)

$ 89.99
(!!!) (Best Single) 12AT7 Brimar UK branded Knight by Mullard black plates

(!!!) (Best Single) 12AT7 Brimar UK branded Knight by Mullard black plates "O" getter NOS 1966 (9.2/10.2ma)

$ 59.99
(!!!) (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
(!!!) (Best Single) JAN-12AT7WA Raytheon NOS black plates - triple mica - O getter halo 1968 (13.8/13.4ma)

(!!!) (Best Single) JAN-12AT7WA Raytheon NOS black plates - triple mica - O getter halo 1968 (13.8/13.4ma)

$ 49.99
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