7A4=XXL Sylvania NOS (2 in stock) (Hallicrafters)
By Tube World
$ 11.99
2) 7A4 Sylvania NOS
Hallicrafters SX42 Radio 1947-1949
See more: vacuum tube
By Tube World
2) 7A4 Sylvania NOS
Hallicrafters SX42 Radio 1947-1949