Branded RCA
Pinched Tip
- Brand Extended
- Radio Corporation of America
- Code On Tube
- I63 B5K4
- Country
- Great Britain
- Factory Code
- B - Mullard, Blackburn, B - Mullard, Blackburn
- Getter
- O-Getter Halo
- Getter Support
- One
- Glass Color
- Clear Glass
- Mica
- Double
- Permanentid
- 0ifjnt47
- Pin Color
- Gold Pins
- Plate Color
- Matte Gray
- Plate Look
- Ribbed / Scale
- Plate Size
- 14mm
- Tip Shape
- Pinched Tip
More 12AX7A type tubes
Branded Bell & Howell
Branded United Electron
More ECC83 type tubes
Branded Telefunken
