Amperex by Philips 7693- Country
- Holland
- Factory Code
- ⊿ - Philips, Heerlen, ⊿ - Philips, Heerlen
- Getter
- D-Getter
- Glass Color
- Clear Glass
- Other Marks
- PQ (Premium Quality)
- Permanentid
- 5n8i4p40
- Plate Color
- Shiny Gray
- Plate Look
- Mesh
- Tip Shape
- Pinched Tip
