Antique radios, Old Time Radios
248A
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Country:
United States of America (USA)
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| Identical to |
248A
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| Similar
Tubes |
Other characteristic (electr. data):
211D
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| Predecessor Tubes |
D-86737
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 3.2 Ampere / Direct |
| Description |
Convection cooled 100 Watt max anode dissipation; thoriated-tungsten filament. Similar to 211D with closer grid spacing for higher gm.
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| Information source |
Tube Lore (I)
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248A: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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Collection of
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