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25B5

Information - Help 
ID = 3096
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  MULTI-SYSTEM, internal coupling   Power/Output 
Identical to 25B5
Similar Tubes
Other base:
  25N6G
First Source (s)
17.Aug.1936 : Electron Tube Registration List

Base 6-Pin-Base U6A, old, USA (Codex=Ka)
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Series, AC/DC
Description Direkt intern gekoppelte Vorstufen-Triode auf End-Triode (Kathode-Gitter). Vorstufe ohne Spannungsverstärkung (STromverstärkung). Endstufe arbeitet mit positiver Gitterspannung. Arbeits bzw. Stabilisierungswiderstand in der Röhre integriert.
Siehe auch: Zero-Bias- und Triple-Twin- Röhren 
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
 
usa_25b5_tungsol_eb.jpg
25B5: ma collection
Anonymous 550 Collector

 
s_239_g.gif
25B5: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 

from Just Qvigstad

Usage in Models 2= 1935 ; 22= 1936? ; 1= 1936 ; 2= 1937?? ; 8= 1937? ; 16= 1937 ; 4= 1938? ; 5= 1938 ; 1= 1939?? ; 1= 1939? ; 1= 1939 ; 2= 1940??

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

Collection of a member from CH

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