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8417 Sylvania used/good 1970's (125ma)

8417 Sylvania used/good 1970's (125ma)

By Tube World

$ 84.99

8417 Sylvania used/good 1970's

Ma plate=125mA

Ma screen=9ma

Gm=23,350

 

Tested on Amplitrex:

Vplate=300V

Vscreen=300V

Vgrid=-12V

Good used Ma range 70-85ma

Good Gm = 17-20,000

See more: vacuum tube
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