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RV239

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ID = 1964
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Triode, vacuum   Power/Output 
Identical to RV239
Similar Tubes
Other class quality (otherwise equal):
  P40/800
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets

Base 4-sockets Europe (Codex=sp)
Filament Vf 7 Volts / If 1.1 Ampere / Direct / Parallel, (AC/DC)
Tube prices 6 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  rv239.png
  RV239: Prof.Dr.H.Wigge Hochfrequenzmeßtechnik
Heinz Höger
 
rv239iv.jpg
RV239: MS
Martin Steyer

 
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RV239: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
rv239_data1.png
RV239: Telefunken
Robert Schmalstieg


Usage in Models 1= 1929? ; 1= 1930? ; 2= 1930 ; 5= 1931 ; 1= 1932?? ; 3= 1932 ; 1= 1934 ; 1= 1935? ; 3= 1935 ; 1= 1936 ; 1= 1937? ; 1= 1937

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


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