(!!!!) (Recommended Pair) EL84 Telefunken Germany <> bottom NOS 1963-1966 (68ma and 69.5ma) (recommended for FIXED-BIAS amp only due to high current)
(!!!!) (Recommended Pair) EL84 Telefunken Germany <> bottom NOS and used/good 1950's-1962 (43.2ma and 42.6ma)
(!!!!) (Recommended Single) E188CC=7308 Telefunken <> bottom gold pins low hours/tests like new (16.0ma/16.2ma) (rare)
(!!!!) (Recommended Single) E188CC=7308 Telefunken <> bottom gold pins NOS 1960's (12.6ma/19ma) (rare)
(!!!!) (Recommended Single) EF86 Telefunken Germany <> bottom NOS gray shield 1972 (2.8ma) (Neumann, Lawson, Soundelux, Manley)
(!!!!) (Recommended Single) EF86 Telefunken Germany <> bottom NOS gray shield 1972 (2.9ma) (Neumann, Lawson, Soundelux, Manley)
(!!!!) (SINGLE) ECC81=12AT7 Telefunken Germany <> bottom NOS 1965 (9.8ma/13.4ma)
(!!!!) (Single) ECF80=6BL8 Telefunken Germany NOS 1971 (11.7/9ma)
(!!!!) (Single) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (7.0ma)
(!!!) (2ND BEST SINGLE) EL84 Telefunken Germany <> bottom low hours/like new 1966 (47.6ma)
(!!!) (BEST EM87) EM87 Valvo Germany branded Telefunken Germany NOS 1961 (2 in stock)
(!!!) (Best Mullard Pair) EZ80=6V4 Mullard La Radiotechnique Chartres plant France NOS "O" getter halo 1970 (64-64/40 x 2 tubes) 1% matched
(!!!) (Best Mullard Single) ECF80=6BL8 IEC Mullard UK NOS 1966 (16ma/12ma) (Highest mA and Gm)
(!!!) (BEST PAIR #2) ECC808=6KX8 Telefunken Diamond Bottom NOS 1969 (1.1/1.1ma and 1.1/1.4ma)
(!!!) (BEST PAIR) EF184 Mullard branded Philips NOS 1964-1965 (11.4ma and 11.8ma)
(!!!) (BEST PAIR) EF184 Mullard branded Philips NOS 1965 (10.8ma and 11.2ma) 1-3% matched
(!!!) (BEST PAIR) EF184 Mullard branded Philips NOS 1965 (11.2ma and 11.6ma) 1-3% matched
(!!!) (BEST PAIR) EF184 Mullard branded Philips NOS 1965 (12.0ma and 12.4ma)
(!!!) (Best Siemens Pair) EL84 Siemens Halske Germany 1966-1969 (40ma and 42.5ma)
(!!!) (Best Single EC86) EC86 Telefunken gold pins NOS 1964 (13ma)
