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(!!!!!) (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
(!!!!!) (Best Single) EL34 Mullard UK branded Siemens XF2 double halo

(!!!!!) (Best Single) EL34 Mullard UK branded Siemens XF2 double halo "O-O" NOS 1966 (80ma)

$ 288.88
(!!!!!) (Best Single) EL34 Mullard UK branded Siemens XF3 single halo

(!!!!!) (Best Single) EL34 Mullard UK branded Siemens XF3 single halo "O" NOS 1973 (78ma)

$ 259.99
(!!!!!) (Best Value Single) EL34 Mullard UK branded Pinnacle XF2 double halo

(!!!!!) (Best Value Single) EL34 Mullard UK branded Pinnacle XF2 double halo "O-O" NOS 1965 (67ma)

$ 219.99
(!!!!) (Best Overall Single) E88CC=6922 Telefunken Germany <> bottom NOS 1962 (16.4/17.5ma) (mic grade)

(!!!!) (Best Overall Single) E88CC=6922 Telefunken Germany <> bottom NOS 1962 (16.4/17.5ma) (mic grade)

$ 349.99
(!!!!) (Best Pair #1) E88CC=6922 Siemens Halske Germany NOS 1970 (A4 series) (18.8/18.0ma and 16.8/18.6ma) (close Gm) (phono-grade)

(!!!!) (Best Pair #1) E88CC=6922 Siemens Halske Germany NOS 1970 (A4 series) (18.8/18.0ma and 16.8/18.6ma) (close Gm) (phono-grade)

$ 398.88
(!!!!) (Best Pair #1) ECL82=6BM8 Mullard UK branded Mazda NOS 1970's (2.2/34ma and 2.0/33ma) 1-3% matched

(!!!!) (Best Pair #1) ECL82=6BM8 Mullard UK branded Mazda NOS 1970's (2.2/34ma and 2.0/33ma) 1-3% matched

$ 139.99
(!!!!) (BEST PAIR #1) EL84 Siemens Halske Germany NOS 1977 (46.5ma and 46ma)

(!!!!) (BEST PAIR #1) EL84 Siemens Halske Germany NOS 1977 (46.5ma and 46ma)

$ 259.99
(!!!!) (Best Pair 1955) CV378=GZ37 Mullard UK

(!!!!) (Best Pair 1955) CV378=GZ37 Mullard UK "D" getter NOS 1955 no printing (56-56/40 and 57-57/40)

$ 378.88
(!!!!) (Best Pair 1960) 12AX7 Philips Miniwatt Holland large

(!!!!) (Best Pair 1960) 12AX7 Philips Miniwatt Holland large "O" halo low hours/tests like new 1960 (1.0/1.3ma and 1.0/1.2ma) 1-3% matched

$ 338.88
(!!!!) (Best Pair) 5751 RCA black plates NOS 1976 (2.5/3.1ma and 2.5/2.8ma) (Best Audio Grade 5751)

(!!!!) (Best Pair) 5751 RCA black plates NOS 1976 (2.5/3.1ma and 2.5/2.8ma) (Best Audio Grade 5751)

$ 249.99
(!!!!) (Best Siemens Pair) EL84 Siemens Halske Germany used/test like new 1971 (48.2ma and 48.5ma) (High Gm)

(!!!!) (Best Siemens Pair) EL84 Siemens Halske Germany used/test like new 1971 (48.2ma and 48.5ma) (High Gm)

$ 129.99
(!!!!) (Best Single 1966) 12AX7 Philips Holland NOS 1966 (Gm=1700/2100 and 1.2/1.7ma)

(!!!!) (Best Single 1966) 12AX7 Philips Holland NOS 1966 (Gm=1700/2100 and 1.2/1.7ma)

$ 159.99
(!!!!) (Good Value Pair) 12AX7=ECC83 Philips Holland ribbed plates

(!!!!) (Good Value Pair) 12AX7=ECC83 Philips Holland ribbed plates "O" getter halo used and like new (1.1/1.0ma and 1.1/1.0ma) 1-2% matched

$ 199.99
(!!!!) (Recomended Single) 336A Western Electric NOS 1967 (34ma)

(!!!!) (Recomended Single) 336A Western Electric NOS 1967 (34ma)

$ 299.99
(!!!!) (Single) 6550 Tungsol branded Sylvania smooth gray plate used/goo 1960 era (116ma)

(!!!!) (Single) 6550 Tungsol branded Sylvania smooth gray plate used/goo 1960 era (116ma)

$ 199.99
(!!!!) (Single) ECC82=12AU7 Mullard BVA UK NOS ribbed plates 1967 in Kradlepack box (9.2/9.4ma)

(!!!!) (Single) ECC82=12AU7 Mullard BVA UK NOS ribbed plates 1967 in Kradlepack box (9.2/9.4ma)

$ 144.44
(!!!!) (Slightly microhonic Single) 5751 RCA Hewlett Packard black plates NOS 1968 (2.4/2.6ma)

(!!!!) (Slightly microhonic Single) 5751 RCA Hewlett Packard black plates NOS 1968 (2.4/2.6ma)

$ 39.99
(!!!) (Best Pair #1) EL84 Siemens Halske Germany NOS 1967-1968 (48.5ma and 49ma) 1-3% matched

(!!!) (Best Pair #1) EL84 Siemens Halske Germany NOS 1967-1968 (48.5ma and 49ma) 1-3% matched

$ 259.99
(!!!) (Best Pair #3) EL84 Siemens Halske Germany NOS 1969-1971 (54.0ma and 57.6ma) (Highest mA and Gm)

(!!!) (Best Pair #3) EL84 Siemens Halske Germany NOS 1969-1971 (54.0ma and 57.6ma) (Highest mA and Gm)

$ 259.99
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