Dynaco
| Brand on Tube | Dynaco |
|---|---|
| Real Tube Manufacturer | Mullard |
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| Country | Great Britain |
| Etched code on Tube | mC1 B7F |
| Factory Code | B - Mullard, Blackburn |
| Year | 1957 |
| Tip Shape | Pinched Tip |
| Glass Color | Clear Glass |
| Mica | Double Mica |
| Getter | Square Getter |
| Getter Support | One |
| Plate Look | Ribbed / Scale |
| Plate Size | 17mm |
| Plate Color | Matte Gray |
| Pin Color | Silver Pins |
