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(!) (BEST VALUE PAIR) 6L6GC Sylvania gray plate used/tests like new 1960's same date codes (66ma and 72ma) (close Gm)
(!) (Best Value Single) ECC81=12AT7 Siemens Halske Germany "D" getter 1960 era used/good (8.8/7.5ma)
(!) (SINGLE) 6L6GB RCA Baldwin gray plate used/good 1959 (65ma)
(!) (Slightly microphonic) JG-5814A GE NOS triple mica "U" getter halo 1956 (10.2/10.4ma) 1-2% section balance (high Ma and Gm)
(!) EZ80=6V4 Tungsram Hungary NOS 1960's (58/40 and 60/40)
0C3W Tungsol rebranded 0C3 National NOS (2 in stock) (argon)
12AT7 Siemens Halske Germany D getter NOS 1957 (6ma/8ma)
12B4A RCA NOS 1960's (31.5ma)
12B4A Sylvania NOS 1960's (33ma)
5641=EY70 Sylvania NOS 1957 in white box (1 in stock)
5879 RCA triple mica "D" getter halo used/tests like new (1.7ma)
5879 RCA triple mica "D" getter halo used/tests like new (2.0ma)
5879 RCA triple mica "O" getter halo used/tests like new 1962 (1.5ma)
5963 RCA black ribbed plates" and D getter halo NOS 1957 (sold out - read review)
5U4GB RCA used/good 1968 (56/40 and 57/40)
6AG5 GE "D" getter NOS 1955 (7.6ma)
6L6GB GE Black Plate used/good 1957 (59ma)
6L6GB Sylvania Black Plate used/good 1955 faded top getter (57ma)
6L6GB Sylvania Black Plate used/good 1955 faded top getter (65ma) (high Ma and Gm)
6V6GT GE Delco used/good crack in base 1952 (36ma)
