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(!) (Slightly microphonic) JG-5814A GE NOS triple mica "U" getter halo 1956 (10.2/10.4ma) 1-2% section balance (high Ma and Gm)
(read review) 12AY7 GE branded RCA gray plates "D" getter NOS 1954 (2.3/2.9ma)
(slightly microphonic) 6SN7GTA GE NOS 1952 copper grid posts (7.4/10ma)
* (read review) 6072 GE 5 star triple mica black plates "O" getter halo 1962
1299=3D6 NOS Sylvania NOS 1953 (104/52)
1635 RCA coated glass NOS 1950-1953 (2 in stock)
231D Western Electric NOS 1953 (1.6ma)
2A3 Ken Rad coated glass low hours/test like new 1947 (read review)
328A Western Electric "small punch" NOS 1953 (5.5ma)
5637 Sylvania NOS 1953 in white boxes (3 in stock)
5719 GE NOS 1953 (similar to 6AD4) (6 in stock)
6AH4GT GE used/good 1955 (20ma)
6AH4GT Hytron By GE "D" getter low/hours/like new 1950's (21ma)
6B4G Sylvania rebranded RCA used/good 1953 (77.5ma)
6BL7GT Sylvania low hours 1953 D = rectangle getter halo long scratch on base (33.5/37.5ma)
6BL7GT Sylvania used/good 1954 (39.2/40.4ma)
6BL7GTA GE gray plates NOS 1974 (47/53ma)
6BL7GTA Sylvania tests like new faded printing 1960's (59/85ma)
6L6 RCA metal can used/like new 1953 (71ma)
JAN-CEA-5852=6X5GT Bendix branded Eclipse Pioneer used/good 1957 (46/40 and 46/40) (TE-5 series)