EF86 - 6CF8
Price is for one NOS and tested tube. Made in Holland in the 1960s.
Construction with O-getter, silver mesh plates. Etched codes: 8Y5 F1F2.
Tested VERY STRONG as follow:
Ia = 3.4 mA | S = 2.1 mA/V
Tested under: Uf=6.3V | Ua=250V | Ug2=140V | Ug1=-2.0V
Where 100% is Ia=3.0mA and S=1.9mA/V
Extremely good testing vintage Hi-Fi tube!!!
Shipping will be Airmail registered with tracing number. Other shipping
methods available on request.