Valvo 12AX7 I63- Code On Tube
- i63 B7K3
- Factory Code
- B - Mullard, Blackburn, B - Mullard, Blackburn
- Getter
- O-Getter Halo
- Getter Support
- One
- Glass Color
- Clear Glass
- Mica
- Double
- Permanentid
- 5a16i456
- Pin Color
- Silver
- Plate Color
- Matte Gray
- Plate Look
- Ribbed / Scale
- Plate Size
- 14mm
- Tip Shape
- Pinched Tip
Branded
