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(!!!!!) (Best Pair #3) EF86 Valvo Germany branded PHILIPS and POPE NOS 1970 (3.6ma/4.0ma)
(!!!!!) (Best Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (12.8/8.8ma and 11.7/9.0ma) (best sound)
(!!!!!) (Best Pair) EF86 Siemens Germany made by Valvo (Hamburg) NOS 1965 (3.4ma/3.4ma) 1-2% matched
(!!!!!) (Best Single) ECC82=12AU7 Telefunken Diamond Bottom <> smooth plates NOS 1967 (9.0/8.8ma) 1-2% section balance
(!!!!) (Best Pair) 12AU7 Philips Holland NOS 1971-1972 dimpled disc halo (10.2/10.6ma and 11.2/11.6ma)
(!!!!) (Best Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (12.5/10ma and 13.2/9.8ma) (best sound)
(!!!!) (Best Siemens Pair) EL84 Siemens Halske Germany used/test like new 1971 (48.2ma and 48.5ma) (High Gm)
(!!!!) (Single) E88CC=6922 Mullard Holland SQ used/good 1965 (10.2/9.5ma) (3D MIDS) (Good Gm)
(!!!!) 6336A Tungsol branded Heintz and Kaufman 1960's (62/76ma) ***
(!!!) (BEST PAIR) 5R4GYB RCA branded Westinghouse NOS 1966 (54-52/40 and 52-52/40)
(!!!) (Best Siemens Pair) EL84 Siemens Halske Germany 1966-1969 (40ma and 42.5ma)
(!!!) (Good Value) 6021=CV3986 Mullard UK Mitcham plant NOS 1971 (4.2/4.4ma and 4.2/4.4ma)
(!!!) (Pair 1950's) 807 RCA black plate NOS 1956-1959 in white boxes (60.5ma and 61.2ma) (same Gm)
(!!!) (Recommended Pair) 6005W Sylvania JAN black plate clear glass NOS 1971-1979 (53.0ma and 54.6ma)
(!!!) (Recommended Pair) ECC85=6AQ8 RCA Heerlen Holland NOS 1968 (21/16.5ma and 18.5/15.5ma) (close Gm)
(!!!) (Recommended Single) CV491=12AU7=ECC82 Brimar England NOS ribbed plates 1974 (9.4/9.2ma)
(!!!) (Siemens Single) 6DJ8 Siemens Halske Germany branded RCA NOS 1967 printed in 1969 (14.2/14.5ma)
(!!!) (Single 1966) 12AX7=ECC83 Philips Miniwatt Holland "O" getter NOS 1966 (1.8/1.3ma and Gm=1900/1600)
(!!!) (SINGLE) 6DJ8 Sylvania JAN NOS 1972 (13.5/17.4ma)
(!!) (Best Value Single) JAN-5670W GE NOS 1986 (10/7.5ma)
