Antique radios, Old Time Radios
D27
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Country:
United States of America (USA)
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| Identical to |
D27
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 74
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D27: From my schematic collection.
Pier Antonio Aluffi
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Just Qvigstad
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D27: My schematic collection.
Pier Antonio Aluffi
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