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25A7GT

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ID = 5671
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  HalfWave Rectifier-BeamPowerTetrode   Power/Output 
Identical to 25A7GT = CV937
Similar Tubes
Other shape (e.g. bulb type):
  25A7 ; 25A7G
First Source (s)
11.Apr.1938 : Electron Tube Registration List
Successor Tubes 70L7GT  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=U)
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

25a7gt_so.png 25A7GT: ARRL Handbook 1972
Anonymous 10 Collector

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Just Qvigstad
25a7gt_techdat01.png
25A7GT: Sylvania Technical Manual
Peter Hoddow

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Usage in Models 1= 1940

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
25a7gtpix.jpg

25A7GT
 

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