7V7 Various US Brands NOS (27 in stock)
7W7 US Brands NOS (4 in stock)
7X6 US Brands NOS (5 in stock)
7X7 Sylvania branded Tungsol NOS (3 in stock)
7X7=XXFM Sylvania branded Emerson NOS 1949 (97/60)
7Y4 Brimar England NOS 1950's (4 in stock) (rectifier)
7Y4 US Brands NOS (5 in stock) (rectifier)
7Y4 used/good (2 in stock)
7Z4 US Brands NOS (8 in stock)
7Z4 US Brands used/good (2 in stock)
7A4=XXL Sylvania NOS (0 in stock) (Hallicrafters)
7B7 Sylvania NOS 1946
(!!) 7N7 Sylvania branded Philco used/good short bottle parallel gray plates 1948 (7.2/7.6ma)
7N7 Sylvania branded GE chrome top used/good 1956 (6.0/6.2ma)
(READ REVIEW) 7B4 US Brands NOS (2 in stock)
7C6 Sylvania NOS branded RCA 1952 (24/15)
7C6 RCA Victor like new 1948-1950 (23/15)
7F7 Sylvania round gray plates NOS 1952 (2.4/2.5ma)
7F7 Sylvania staggered round black plates NOS 1957 (2.2/2.2ma)
(!) (Recommended Single) 7F7 Sylvania rebranded JAN-CBRZ-7F7 round gray plates used/like new 1940's (2.9/3.2ma) (highest testing single)
