(!!!!!) (Best Pair) 8417 Sylvania NOS 1970's (114.5ma and 116.5ma)
$ 249.99
1 pair) 8417 Sylvania NOS 1970's top and side getters
Iplate=
114.5ma
116.5ma
Iscreen=
4.5ma
5.1ma
Gm=
22,650
23,900
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
See more: vacuum tube


