Philips
Brand on Tube | Philips |
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Real Tube Manufacturer | Mullard |
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Country | Great Britain |
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Etched code on Tube | Xf4 B9G7 |
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Factory Code | B - Mullard, Blackburn |
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Tip Shape | Round Tip |
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Glass Color | Clear Glass |
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Mica | Double |
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Getter | O-Getter Halo |
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Getter Support | Double |
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Plate Look | Stapled |
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Pin Color | Silver Pins |
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Base | Black |
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