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(!!!) 6DE7 GE Canada black plates NOS 1967 (4.6/42ma) (Woo Audio)
(!!!) 6DE7 GE Great Britain made in Japan NOS 1970 (3.8/30ma) (Woo Audio)
(!!!) 6DE7 GE Great Britain made in Japan NOS 1970 (5.6/24ma) (Woo Audio)
(!!!) 6DE7 Sylvania black plates "U" getter NOS 1950's (8/31ma) (Woo Audio)
(!!!) CX-301-A Cunningham NOS 1930 era (2.6ma Gm=800)
(!!!) JAN-5814A Sylvania NOS 1967 (8.4/9.2ma)
(!!!) JAN-5814A Sylvania NOS 1967 (8.6/11.2ma)
(!!) (#1 37 Pair) 37 RCA like new 1940's (7.7ma and 7.8ma) 1% matched
(!!) (#1 37 Pair) 37 RCA NOS 1940's (7.3ma and 7.5ma)
(!!) (#1 37 Pair) 37 RCA NOS 1940's (8.5ma and 8.5ma) 1% matched
(!!) (#1 5847 Amperex Pair) JAN-5847A=404A Amperex USA Gold Pins NOS 1981 (30.5ma and 32ma)
(!!) (#1 5847 Amperex Pair) JAN-5847A=404A Amperex USA Gold Pins NOS 1981 (37ma and 39ma)
(!!) (#1 6HM5 Japan Pair) 6HA5=6HM5 Hitachi Japan branded RCA NOS 1970's (14.5ma and 15ma) (Highest Ma and Gm)
(!!) (#2 6HM5 Japan Pair) 6HA5=6HM5 Hitachi Japan branded RCA NOS 1970's (12ma and 13ma)
(!!) (#4 Type 30 PAIR) USN-CRC-30 RCA NOS 1940's "L" bracket (2.4ma and 2.8ma)
(!!) (#Recommended Single) 12AZ7 Tungsol black plates "U" getter halo NOS mid-1950's (9.0ma/9.2ma) 2% section balance
(!!) (1 PAIR) 12AV7 GE branded Westinghouse NOS 1963 (15.6/17.8ma and 15/16.2ma)
(!!) (1 PAIR) 18FX6A RCA NOS - 1 tube branded El Menco (76/60 and 76/60)
(!!) (1 Pair) 408A Western Electric NOS 1971-1974 (70/60 and 71/60)
(!!) (1 Pair) 6SH7GT Ken Rad 1950's rebranded Raytheon NOS 1970 (11.2ma and 11.3ma)