Factory Price (!!) (best Pair) 8417 Sylvania Nos 1970 Era Same Date Codes (112.2ma And 114.5ma) At A Low Price [7oz01UsB]

1 pair) 8417 Sylvania NOS 1970 era same date codes

1 tube)

Ma plate=112.2ma

Ma screen=4.9ma

Gm=22,500

1 tube) 

Ma plate=114.5ma

Ma screen=5.0ma

Gm=23,700

Tested on Amplitrex:

Vplate=300V

Vscreen=300V

Vgrid=-12V

Good NOS Ma range 85-100ma

Good Gm = 21,000-23,000

For:

- UFO

- Fisher SA-1000

- Dynaco

- Quicksilver

- Dynaco Mark VI introduced in 1976

- Gibson

- Bogen

- Harmon Kardon