Relco 6SN7GTB- Base
- Black
- Bottle Height
- Half
- Bottle Shape
- Skinny Bottle
- Glass Color
- Clear Glass
- Mica
- Double
- Other Marks
- Marked made in England, but suspected as Soviet
- Permanentid
- tzofgvre
- Pin Color
- Silver Pins
- Plate Color
- Matte Gray
- Plate Look
- T Plate
- Tip Shape
- Round Tip
