Log-in
(!!!!!) (Best Pair) 8417 Sylvania NOS 1970's same date codes (119.5ma and 120ma)

(!!!!!) (Best Pair) 8417 Sylvania NOS 1970's same date codes (119.5ma and 120ma)

$ 219.99

1 pair) 8417 Sylvania NOS 1970's same date codes excellent condition

Iplate=

119.5ma

120ma

Iscreen=

5.0ma 

5.2ma

Gm=

23,900

23,700

 

 

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
Scroll to top