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(!!!) (BEST PAIR) 8417 Westinghouse

(!!!) (BEST PAIR) 8417 Westinghouse "tan base" NOS 1960's large triple getters (114ma and 115.5ma) (rare)

By Tube World

$ 299.99

1 pair) 8417 Westinghouse "tan base" NOS 1966 in white box - large triple getters

1 tube) 1966 in white box - on left

Ma plate=115.5ma

Ma screen=2.5ma

Gm=22,800

1 tube) 4 small vertical scrapes on base mid-1960's - printing on glass - original box

Ma plate=114.0ma

Ma screen=3.5ma

Gm=22,100

 

Tested on Amplitrex:

Vplate=300V

Vscreen=300V

Vgrid=-12V

Good NOS Ma range 85-100ma

Good Gm = 21,000-23,000

 

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