2pcs 6N8S (6H8C) FOTON Tubes NOS 1965-66 Tested

Double Triode

Up for sale lot of 2pcs 6N8S (6H8C) FOTON tubes.

Made in plant FOTON 1965-66

Tested with tube tester L3-3, as well as on the vacuum tube amplifier.

Сonditions for test:

Uf=6.3V

Ua=250V

Ug1=-8V

Ug2=250V

Results for Ia1/Ia2: 

11.0/10.5 mA

9.0/9.0 mA 

I ship with tracking number.

Items are well packed.
I always answer all questions.