Log in using the new customer accounts page.
(!!!!) (Best Overall Single) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (10ma)
(!!!!) (Best Pair #1) 12AU7A RCA clear top NOS 1963-1964 (8.4/8.6ma and 8.2/8.4ma) (Close Gm matching) (Best audio grade 12AU7)
(!!!!) (Best Pair #1) 448A Western Electric tipped top used/test like new 1965 (27.2ma and 27.3ma) 1-2% matched
(!!!!) (Best Pair #1) 5670W GE NOS 1986 (9.0/8.2ma and 8.6/9.0ma) 1-3% matched
(!!!!) (Best Pair #1) 5814A Philips JAN NOS 1985-1987 (9.2/9.8ma and 9.1/10.2ma) 1-3% matched (close Gm)
(!!!!) (Best Pair #1) 6BX7GT Sylvania triple mica "O" getter NOS 1960 era (74/66.5ma and 78.5/68.5ma) (same Gm)
(!!!!) (Best Pair #1) 6J5GT Raytheon metal base black ribbed plate NOS 1940's (8.5ma and 8.7ma) (1-3% matched)
(!!!!) (Best Pair #2) 5814A Philips JAN NOS 1985 (10.5/8.2ma and 10/8.3ma) (close Gm)
(!!!!) (Best Pair #2) 5842Q Raytheon NOS 1983 (23ma and 24ma) 1-3% matched
(!!!!) (Best Pair #2) 6AC7 GE NOS 1980-1982 (10ma/11.2ma)
(!!!!) (Best Pair #2) 6BX7GT Sylvania triple mica "D" getter NOS 1950's (52.2/47ma and 48/44ma)
(!!!!) (Best Pair #2) 6BX7GT Sylvania triple mica "D" getter NOS 1950's (60/55ma and 52/54ma)
(!!!!) (Best Pair #2) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (8.4/8.8ma and 8.4/9.0ma) 1-2% matched (same Gm)
(!!!!) (Best Pair #2) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (8.6/8.8ma and 8.8/9.2ma) 1-3% matched
(!!!!) (Best Pair #2) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (8.8/8.4ma and 8.4/8.8ma) 1-2% matched
(!!!!) (Best Pair #2) E810F=7788 Amperex PQ USA NOS gold pins 1974-1976 (53ma and 53.5ma)
(!!!!) (Best Pair #2) EC92=6AB4 Siemens Halske NOS branded Philips 1967 (9ma and 9ma)
(!!!!) (BEST Pair #3) 6CW4 GE NOS 1974-1978 (105/60 and 107/60) (strong emission)
(!!!!) (Best Pair #3) 6J5GT Ken Rad black ribbed plates NOS 1942 (8.4ma and 8.0ma) 1-3% matched (Same Gm)
(!!!!) (Best Pair #3) 6J5GT Raytheon black ribbed plate NOS 1940's tilted bottom mica (8.6ma and 8.2ma) (best value)
