(!!!) (Best Single) 8417 Sylvania NOS 1970 era (111ma)

8417 Sylvania NOS top and side getter 1970 era

Iplate= 111ma

Gm= 20,100

Tested on Amplitrex:

Vplate=300V

Vscreen=300V

Vgrid=-12V

Good Ma range 90-110ma

Good Gm = 20-23,000

Recommended For:

- UFO

- Fisher SA-1000

- Dynaco

- Quicksilver

- Dynaco Mark VI introduced in 1976

- Gibson

- Bogen

- Harmon Kardon