Antique radios, Old Time Radios
2E25
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Country:
United States of America (USA)
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| Identical to |
2E25
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| First Source
(s) |
27.Sep.1946 : Electron Tube Registration List 523
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Urr)
Top contact with a cap.
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| Filament |
Vf 6 Volts / If 1 Ampere / Direct |
| Description |
Instant-heating beam tetrode, usable either in RF and AF power stages in battery operated transmitters.
Filament current was raised from the announced 0.8A to the final value of 1A.
About 20W output power up to 100MHz, with 450V plate voltage.
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| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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2E25: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
More ...
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Just Qvigstad
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2E25: The Radio Amateur´s Handbook 1962
Antonio Rabitti
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Collection of
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