Antique radios, Old Time Radios
306A_A-P
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Country:
United States of America (USA)
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| Identical to |
306A_A-P
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| Similar
Tubes |
Other base:
306P_A-P
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
Sidecontact.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3 Volts / If 0.06 Ampere / Direct / Battery = |
| Description |
This tube is of the "Two in One" style made by A-P but designed by their employee, Henry K Huppert. It was first made in 1923. The anodes and grids are connected to the normal base positions but the filament is centre tapped with a soldered connecton for this at the rim of the base shell.
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| Information source |
- - Manufacturers Literature 1923 Sales Brochure
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306A_A-P: Fin Stewart
Fin Stewart
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Just Qvigstad
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