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UV204A

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ID = 28842
       
Country:
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to UV204A = C304A = 504A = E704A
First year 1926 Saga of the Vacuumtube, Tyne page 327, 328
First Source (s)
1923 : Saga of the Vacuumtube, Tyne p.328
Predecessor Tubes UV204_cylindric  

Filament Vf 11 Volts / If 3.85 Ampere
Description max anode dissipation 250 Watts; two tubes in class-B audio amplifier wit Ua = 2000 V delivered 600 Watts output! 
 
rca_uv204a.jpg
UV204A: QST, Ausgabe Oktober 1929, Anzeige
Daniel Consales

 
uv204a_spec.png
UV204A: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector


Usage in Models 1= 1923?? ; 1= 1926?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

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