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(!) (#1 404A Pair) 404A=5847 Western Electric used/tests like new 1963-1965 (24ma and 25ma)

(!) (#1 404A Pair) 404A=5847 Western Electric used/tests like new 1963-1965 (24ma and 25ma)

$ 59.99

1 matched pair) 404A Western Electric used/tests like new 1963-1965

1 tube) 25.0ma Gm=14,400

1 tube) 24.0ma Gm=15,000

 

Tested on Amplitrex

Vplate=150V

Vscreen=150V

Vgrid=-1.5V

Good like new Ma range 18-20ma

Good used Gm range 12,000 - 13,000

 

 

 

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