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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
Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
US$40
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