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(!!!) (#1 420A Single) 420A WE NOS

(!!!) (#1 420A Single) 420A WE NOS "D" getter 1967 (1.8/2.2ma) (recommended)

$ 68.88

1 tube) 420A WE NOS 1967 "D" getter

1.8ma Gm=1500

2.2ma Gm=1600

 

Tested on Amplitrex

Vplate=180V

Vgrid=-.1V

Good Ma = 1.5-2.2ma

Good Gm = 1500

 

 

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