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A214

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ID = 13690
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Developer: Triotron (tubes) = Brand of Schrack, Austria 
Tube type:  Triode, vacuum   Detector 
  Ca. 1925 up to 1945 rare.
Identical to A214
Similar Tubes
Normally replaceable-slightly different:
  A206 ; B217 ; CLP10 ; H206 ; L210 ; LD210
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Information source Babani, International Radio Tube Encyclopaedia   p. 44 & 45
- - Manufacturers Literature   1935
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
1_145.png A214: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		a214data.png
A214: own collection
Peter den Boer
More ...
Usage in Models 1= 1935 ; 1= 1936?? ; 1= 1938? ; 1= 1938
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
 
triotron_a214.jpg

 
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