(Good Value) 8417 Sylvania NOS 1970”s (76.6ma) 8417 Sylvania: 8417 Sylvania

8417 Sylvania NOS top and side getter 1970”s

Iplate= 76.6ma

Gm= 17,200

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