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420LL

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ID = 29107
       
Country:
Austria
Brand: Eagle, Wien
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 420LL
Similar Tubes
Normally replaceable-slightly different:
  B405 ; L4 ; RE124

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.2 Ampere / Direct / Battery =
Literature - - Manufacturers Literature   Preisliste 1931
 
420ll_so.png
420LL: rtt
Michael Schlör

 
4volt~~7.png
420LL: own collection
Peter den Boer


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