Antique radios, Old Time Radios
284D
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Country:
United States of America (USA)
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| Identical to |
284D
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| Similar
Tubes |
Normally replaceable-slightly different:
284A
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| Base |
Jumbo 4-pin bayonet (1918)
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 3.2 Ampere / Direct |
| Description |
Low mu (4.8), low interelectrode capacitance version of 284A. 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 |
| Tube prices |
1 Tube prices (visible for members
only)
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| 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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284D: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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