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(!) 8417 Fisher by Sylvania NOS 1962 made for FISHER audio equipment (92ma)

(!) 8417 Fisher by Sylvania NOS 1962 made for FISHER audio equipment (92ma)

$ 95.99

1 tube) 8417 Fisher by Sylvania NOS 1962 made for FISHER audio equipment and shipped to FISHER service technicians - tubes are from a factory case of 100 re-boxed in white box

Iplate=

92ma

Iscreen=

6.8ma 

Gm=

20,800

 

 

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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