(!!!) (Best Single #4) 8417 Sylvania NOS 1970 era (80ma)
$ 89.99
8417 Sylvania NOS 1970 era a few very small vertical scratches on base
Iplate= 80ma
Gm= 20.000
Iscreen=3.4ma
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
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 (Best Single #4) 8417 Sylvania NOS 1970 era (80ma) "Pin It")