(!) 404A Western Electric used/good (17ma)

404A Western Electric used/good “”D”” getter (6652=1966)

17ma

Gm=11,600

Tested on Amplitrex

Vplate=150V

Vscreen=150V

Vgrid=-1.5V

Good used Ma range 13-18ma

Good used Gm range 10,000 – 12,000