(!!!) (Recommended Single) EF94=6AU6 Tungsol used/tests like new 1957 (10ma)
(!!!) (Recommended Single) EZ80 Mullard France NOS "O" getter halo 1970 (62/40 and 64/40)
(!!!) (Single) E81CC=12AT7WA Siemens Munich Germany NOS 1975 (10.8/9.3ma)
(!!!) (Single) ECC81=12AT7 Siemens Halske branded Mullard like new 1966 (8.2/7.4ma)
(!!!) (Single) ECC81=12AT7 Telefunken Germany <> bottom NOS 1963 (6.8ma/7.6ma) (recommended for mic)
(!!!) (Single) ECC85 Siemens Germany NOS 1962 (9.5/8.2ma)
(!!!) (slightly microphonic single) ECC801S Telefunken <> bottom rebranded 12AT7/ECC81 Telefunken NOS 1962 (9.2ma/10.2ma)
(!!) (Best Mullard Pair) EZ80=6V4 Mullard La Radiotechnique Chartres plant France NOS "O" getter halo 1970 (63-64/40 x 2 tubes) 1% matched
(!!) (BEST PRICE) 6AQ5 and 6AQ5A Mixed Brands used/good (4 for $14.99)
(!!) (Best Single) 12AU6 Telefunken Diamond <> Bottom "Selected" sticker on tube NOS (8.8ma)
(!!) (Best Single) EC92=6AB4 Siemens Halske Germany NOS 1971 (10.2ma)
(!!) (Best Single) ECC808=6KX8 Mullard Made in Germany by VALVO NOS 1969 (2.1/2.2ma)
(!!) (Best Sounding EF89) EF89=6DA6 Mullard UK NOS 1959 (7.5ma)
(!!) (Best Sounding EF89) EF89=6DA6 Telefunken Germany <> bottom NOS 1960's (9 in stock)
(!!) (Best used single) 12AT7 Telefunken Diamond Bottom used/good early 1960's (9.0ma/9.4ma)
(!!) (Best Value Single) 12AX7 EI Yugoslavia Smooth Plates TELEFUNKEN copy NOS 1981 (1.0/1.5ma and Gm=1700/2100)
(!!) (Best Value Single) EF14 Telefunken Germany used/good 1950 (12.5ma)
(!!) (BEST VALUE) 12AT7 Telefunken Germany used/good 1965 (9.2ma/8.4ma)
(!!) (Good Value Single) ECF80 VALVO FRANCE (La Radiotechnique) NOS 1962
(!!) (Good Value) 12AT7 Telefunken Diamond Bottom used/good 1960's (8.2ma/10.4ma)
