Dynaco
| Brand on Tube | Dynaco |
|---|---|
| Real Tube Manufacturer | Mullard |
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| Country | Great Britain |
| Etched code on Tube | Xf2 B2J1 |
| Factory Code | B - Mullard, Blackburn |
| Year | 1962 |
| Bottle Height | Tall Bottle |
| Tip Shape | Round Tip |
| Bottle Shape | Skinny Bottle |
| Glass Color | Clear Glass |
| Mica | Double Mica |
| Getter | O-O Double Getter |
| Plate Look | Weld |
| Plate Color | Matte Gray |
| Pin Color | Silver Pins |
| Base | Dark Brown |
