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204A

Information - Help 
ID = 30564
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 204A = S_Western = VT-22 = 38104 = 304A_Sendetriode = GL-204A = CV2563

Base Pin-and-blade jumbo (3 contacts) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 11 Volts / If 3.85 Ampere / Direct / Parallel, (AC/DC)
Description

Pa 250W convection cooled, mu 23; 3MHz full ratings, up to 30MHz with reduced ratings.
Blade and pins special base. The tube had to be mounted vertical, base up.
Manufactured by Cunningham, Federal, GE (as GL-204-A), RCA, Taylor, Westinghouse.

 
Weight 1350 g / 47.62 oz
Information source Saga of the Vacuum Tube, Tyne   page 105, 106, 120
Babani, International Radio Tube Encyclopaedia   and: Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
Tube Lore (I)
 
20200728_230811.jpg
204A: Larry Daniel collection
Robert Gillespie

 
204a_so.png
204A: ARRL Handbook 1972
Michael Schlör

 
204a504a.png
204A: RCA de forest amateur 1934
Miguel Angel Trujillo-Rodriguez


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