Pinched Tip
- Code On Tube
- i61 B3C3
- Country
- England
- Factory Code
- B - Mullard, Blackburn, B - Mullard, Blackburn
- Getter
- O-Getter Halo
- Getter Support
- Double
- Glass Color
- Clear Glass
- Mica
- Double Mica
- Permanentid
- 2trdw6et
- Pin Color
- Silver Pins
- Plate Color
- Matte Gray
- Plate Look
- Ribbed / Scale
- Plate Size
- 14mm
- Tip Shape
- Pinched Tip
- Year
- 1963
More ECC83 type tubes
Branded Telefunken
More 12AX7 type tubes
Branded Electrohome
Branded Heintz & KaufmanGammatron
Branded General Electric
