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25B8GT

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ID = 3743
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode-Pentode   RF/IF-Stage 
Identical to 25B8GT = 25B8 = CV940

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ui)
Filament Vf 25 Volts / If 0.15 Ampere
Description Triode-Pentode - only in GT type (glass, tubular). 
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

25b8gt_so.png 25B8GT: ARRL Handbook 1972
Anonymous 10 Collector

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Just Qvigstad
25b8gt_techdat01.png
25B8GT: Sylvania Technical Manual
Peter Hoddow

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Usage in Models 1= 1938? ; 1= 1938 ; 11= 1939? ; 5= 1939 ; 2= 1940 ; 1= 1941??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):21
 

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