(!!) (Recommended Pair) 8417 Sylvania NOS 1970 era (92.6ma and 93.8ma)
$ 219.99
1 matched pair) 8417 Sylvania NOS 1970 era top and side getter
1 tube)
Iplate=92.6ma
Iscreen=4.0ma
Gm=21,300
1 tube)
Iplate=93.8ma
Iscreen=4.4ma
Gm=22,200
Tested on Amplitrex:
Vplate=300V
Vscreen=300V
Vgrid=-12V
Good used Ma range 90-110ma
Good Gm = 21-23,000
For:
- UFO
- Fisher SA-1000
- Dynaco
- Quicksilver
- Dynaco Mark VI introduced in 1976
- Gibson
- Bogen
- Harmon Kardon
See more: vacuum tube