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2E25

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ID = 12320
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Hytron; Salem (MA) 
Tube type:  Transmitting Tetrode, air cooled 
Identical to 2E25
First Source (s)
27.Sep.1946 : Electron Tube Registration List 523

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Urr) Top contact with a cap.
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. 
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

2e25_sock.png 2E25: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

More ...

Just Qvigstad
2e25_specs.png
2E25: The Radio Amateur´s Handbook 1962
Antonio Rabitti

Collection of

 
2e25a.jpg

 

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