Antique radios, Old Time Radios
284B
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Country:
United States of America (USA)
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| Identical to |
284B
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| Similar
Tubes |
Different connections:
284A
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| Base |
Jumbo 4-pin bayonet (1918) (Codex=By)
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 3.2 Ampere / Direct |
| Description |
Variant of 284A with top cap. Two tubes give 50W audio power. 4-pin jumbo base.
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Dimensions (WHD)
incl. pins / tip |
x 184 x 72 mm / x 7.24 x 2.83 inch |
| Information source |
Tube Lore (II) p. 238
Tube Lore (I)
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
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284B: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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