Branded General Electric
Round Tip
- Base
- Black
- Bottle Height
- Tall Bottle
- Bottle Shape
- Skinny Bottle
- Code On Tube
- Xf4 B7A3
- Country
- Great Britain
- Factory Code
- B - Mullard, Blackburn, B - Mullard, Blackburn
- Getter
- O-Getter Halo
- Glass Color
- Clear Glass
- Mica
- Double
- Permanentid
- lbgw7ct4o
- Pin Color
- Silver Pins
- Plate Color
- Matte Gray
- Plate Look
- Weld
- Tip Shape
- Round Tip











More 6CA7 type tubes
Branded Giant Electronics Brand
Branded International
More EL34 type tubes
Branded Giant Electronics Brand
Branded International
More XF4 type tubes
Branded Quality Brand
More tubes manufactured by Mullard
More tubes branded General Electric
Branded General Electric
Branded General Electric
Branded General Electric
Branded General Electric
Branded General Electric