Tekade
| Brand on Tube | Tekade |
|---|---|
| Real Tube Manufacturer | Valvo |
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| Country | Germany |
| Etched code on Tube | mCA D6K |
| Factory Code | D - Valvo, Hamburg |
| Year | 1956 |
| Tip Shape | Pinched Tip |
| Glass Color | Clear Glass |
| Mica | Double |
| Getter | Foil Getter |
| Getter Support | One |
| Plate Look | Ribbed / Scale |
| Plate Size | 17mm |
| Plate Color | Matte Gray |
| Pin Color | Silver |
| Other Marks | 536 |
