58 Ken Rad used/good 1930's (48/36)
58 National Union NOS 1952 (64/36)
58 Raytheon 4-Pillar used/tests like new (62/36)
58 Raytheon used/good 1940's (52/36)
58 RCA Cunningham used/good 1940's (62/36)
58 Sylvania NOS 1947 (66/36)
60FX5 US Brands NOS (5 in stock)
6C6 Cunningham Radiotron used/good 1930's (42/31)
6C6 Raytheon used/tests like new 1930's hairline crack in base (2.1ma)
6D6 US Brands used/good (2 for $8)
75=VT-75 RCA Dual-Diode Triode NOS 1948 (36/19)
75=VT-75 Tungsol Dual-Diode Triode used/good 1940's (34/19)
78 US Brands NOS (3 in stock)
78 US Brands used/good (6 in stock)
80 Hytron engraved base used/strong 1930's (60/40 and 62/40)
800=VT-64 RCA DeForest black plate engraved base used/good 1930's (38ma, Gm=1750) (tested on Amplitrex)
800=VT-64 RCA Radiotron charcoal black plate engraved base used 1930's (42ma, Gm=2000)
AF3 Miniwatt used/good 1940's
AF7 Miniwatt used/good 1930's
AF7 Triotron used/good 1940's