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L413s

           
  Tube type:  Triode, vacuum 
Tube ID = 1648
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Identical to L413s
First year   1930 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament -: Direct /
Description Serienausführung der L413 von Valvo. Entspricht der B409 von Philips. 
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Tube prices 1 Tube prices (visible for members only)

l413s_valvo.jpg
L413s: MS
Martin Steyer

 
1_186.png
L413s: Telefunken Werkstattbuch
Wolfgang Bauer

 
Usage in Models   1= 1928??
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   1

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