2 winged cylinder offset black plates and top dimpled foil getter. this Tube was tested on the Jackson model 103 Hickok style Tube tester where the minimum good for the Tube type is 25 and the average NOS is 38 to 40 this Tube tested at 46 on the first line and 48 on the second line.
Item Tag: 6C8G
6C8G Sylvania Oak Leaf Bottom Dimpled Foil Getter Black Plates Preamp Tube Rare
Black winged cylinder plates and a bottom dimpled foil getter with a top cap in an ST envelope. this Tube was tested on the Jackson 103 tester were the minimum good is 25 and the average NOS reading for this Tube type is 36.