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(!!!) (BEST PAIR) 8417 Westinghouse "tan base" NOS 1960's large triple getters (114ma and 115.5ma) (rare)
(!!!) (BEST PAIR) 8417 Westinghouse "tan base" NOS 1960's large triple getters (114ma and 115.5ma) (rare)
$ 249.99
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
See more: vacuum tube
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 (BEST PAIR) 8417 Westinghouse "tan base" NOS 1960's large triple getters (114ma and 115.5ma) (rare) "Pin It")