(!!!!) (Factory Matched Pair) 8417-P Sylvania NOS same build 1960's (84ma and 85.5ma)
By Tube World
$ 269.99
1 matched pair) 8417-P Sylvania NOS 1960's
1 tube)
Iplate=84ma
Iscreen=3.6ma
Gm=20,100
1 tube)
Iplate=85.5ma
Iscreen=4.5ma
Gm=20,450
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
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 (Factory Matched Pair) 8417-P Sylvania NOS same build 1960's (84ma and 85.5ma) "Pin It")