(!) 404A Western Electric used/good (17ma)
By Tube World
$ 21.99
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
See more: vacuum tube
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 404A Western Electric used/good (17ma) "Pin It")