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25S

Information - Help 
ID = 13443
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 25S = 1B5 = 25

Base 6-Pin-Base U6A, old, USA (Codex=Ko)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
25s_rca_rmf_1.jpg
25S: My Collection
Bruce Morgenstern

 
1b5basediagram.png
25S: 1B5, RCA Datasheet 1937
Vitor Oliveira

 

from Just Qvigstad

Usage in Models 1= 1932 ; 1= 1934?? ; 5= 1934? ; 10= 1934 ; 3= 1935?? ; 1= 1935? ; 22= 1935 ; 1= 1936?? ; 12= 1936 ; 4= 1937?? ; 5= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):65


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