(!) (PAIR) 5BQ7A Dumont by GE gray plates NOS 1973 “”U”” and “”O”” getter (7.0/7.4ma and 7.0/6.6ma)

1 pair) 5BQ7A Dumont by GE gray plates NOS 1973 “”O”” and “”U”” getters

1 tube) 7.0/7.4ma and Gm=6200/6300 “”O”” getter halo

1 tube) 7.0/6.6ma and Gm=6400/6300 “”U”” getter

sub for a 6BK7 or 6BQ7A

dual-triode