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D418

Information - Help 
ID = 2885
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Developer: Tungsram; Budapest (see also British T.) 
Tube type:  Signal Diode - one single system   Detector 
  Ca. 1925 up to 1945 very rare. ***
Identical to D418 = CV1686 = CV1687
Similar Tubes
Other characteristic (electr. data):
  VT118A_GPO ; VT118B_GPO

Base Europe 3-Pin B3 (Eu H) (Codex=Ecc) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.18 Ampere / Indirect / Parallel / series AC/DC
Information source Babani, International Radio Tube Encyclopaedia   Page 92
Taschenbuch zum Röhren-Codex 1948/49   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
  hp4105d418app4120_1.gif
  D418: Eigentum
Egon Strampe
 
d418_a.jpg
D418: scc
Christian Schaufelberger

 
d418_so.png
D418: Röhren Codex 1948
Michael Schlör

 
d418_spec.png
D418: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


from Just Qvigstad

Usage in Models 1= 1932 ; 3= 1934? ; 17= 1934 ; 1= 1935? ; 2= 1935 ; 1= 1938?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):25


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