Radio Antica e Radio d'epoca
306A_A-P
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
306A_A-P
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| Valvole
simili |
Altra base:
306P_A-P
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| Zoccolo |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
Sidecontact.
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| Utilizzata per |
Radio/TV-reception etc. |
| Filamento |
Vf 3 Volt / If 0.06 Ampere / Direct / Battery = |
| Descrizione |
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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| Bibliografia |
- - 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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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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