8417 Sylvania branded GE used/good 1970's (87ma)

8417 Sylvania branded GE used/good 1970's good top and side getter

87ma

Gm=19,450

Tested on Amplitrex:

Vplate=300V

Vscreen=300V

Vgrid=-12V

Good used Ma range 70-90ma

Good used Gm = 17,000 - 19,000

For:

- UFO

- Fisher SA-1000

- Dynaco

- Quicksilver

- Dynaco Mark VI introduced in 1976

- Gibson

- Bogen

- Harmon Kardon