Valvo
EL34Xf2
| Brand on Tube | Valvo |
|---|---|
| Real Tube Manufacturer | Mullard |
| Country | Great Britain |
| Etched code on Tube | Xf2 B7B4 |
| Factory Code | B - Mullard, Blackburn |
| Year | 1957 |
| Bottle Height | Tall Bottle |
| Tip Shape | Round Tip |
| Bottle Shape | Skinny Bottle |
| Glass Color | Clear Glass |
| Mica | Double |
| Getter | O-O Double Getter |
| Getter Support | Double |
| Plate Look | Weld |
| Plate Color | Matte Gray |
| Pin Color | Silver |
| Base | Black |
Round Tip
