- Getter
- Square Getter
- Glass Color
- Clear Glass
- Mica
- Double
- Notes
- Printed date code is 59 15, etched code is Triangle 9 A (Heerlen factory, 1959, January)
- Permanentid
- fbnkyzsj
- Pin Color
- Silver Pins
- Plate Color
- Matte Gray
- Tip Shape
- Pinched Tip
Branded
Shield 12AX7
