(!!!) (Best Sylvania Single) 8417 Sylvania NOS branded Westinghouse NOS 1973 (113mA) Title: 8417 Sylvania NOS 1970”s branded Westinghouse NOS 1973

8417 Sylvania NOS branded Westinghouse NOS 1973 two top getter discs

Iplate=113ma

Gm=24,200

Tested on Amplitrex:

Vplate=300V

Vscreen=300V

Vgrid=-12V

Good NOS Ma range 80-110ma

Good NOS Gm = 20-23,000

Recommended For:

– UFO

– Fisher SA-1000

– Dynaco

– Quicksilver

– Dynaco Mark VI introduced in 1976

– Gibson

– Bogen

– Harmon Kardon