Antique radios, Old Time Radios
261A
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Country:
United States of America (USA)
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| Identical to |
261A
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| Base |
Jumbo 4-pin bayonet (1918) (Codex=Byy)
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 3.2 Ampere / Direct |
| Description |
100W anode dissipation, gain 12. Improved version of 211.
Amperex, United Electr., WE among manufacturers. Amperex claimed 120W anode dissipation.
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Dimensions (WHD)
incl. pins / tip |
x 200 x 56 mm / x 7.87 x 2.20 inch |
| Information source |
Tube Lore (II) p. 237
Tube Lore (I)
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
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261A: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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Collection of
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