(!!!) (Recommended Pair) 8417 GE NOS 1969 and 1986 same build (91ma and 94.6ma)
$ 249.99
1 pair) 8417 GE NOS same build
1 tube) 91.0ma Gm= 21,600 (1986)
1 tube) 94.6ma Gm= 21,720 (1969) (IZ)
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