(!) (Slightly microphonic) JG-5814A GE NOS triple mica "U" getter halo 1956 (10.2/10.4ma) 1-2% section balance (high Ma and Gm)
(!) (~ Best Value ~) JG-12AT7WA=6201 GE gray plates triple mica "U" getter low hours/like new 1958 (8.8/10.6ma)
(!) 6201=12AT7WB GE gray plates NOS 1969 (6.2ma/6.6ma)
(BEST PRICE) EM1 Philips Austria NOS 1956 (bright green eyes) (4 tubes for $379.99)
(slightly microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1956 (40.5/45.5ma)
(slightly microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1957 (34.5/36.5ma)
102F Western Electric ST-14 NOS 1956 slightly tilted glass (0.8ma Gm=600)
117L7/M7GT Hyvac USA NOS (76/50)
117L7/M7GT Super Silverton used/good (80/50)
117L7/M7GT Tungsol NOS 1952 (74/50)
117L7/M7GT Tungsol used/good (80/50)
117L7/M7GT Tungsol used/like new 1956 (76/50)
117L7/M7GT US made 1950 era used/good (68/50)
117L7GT Hytron NOS 1950
117L7GT Sylvania NOS 1940's (2 in stock)
117L7GT Tungsol NOS 1948 (78/50)
25L6GT RCA NOS 1974 slightly tilted glass (95/60)
25L6GT Sylvania NOS 1947 (67/45)
2X2 National Union NOS (3 in stock)
2X2A RCA NOS 1956