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A411S

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ID = 1678
       
 
   
Tube type:  Triode, vacuum 
Identical to A411S
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Direct

a411s.png A411S: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe


Just Qvigstad
a411serie.png
A411S: Sammlung
Wolfgang Bauer

Usage in Models 1= 1928 ; 1= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
a411serie.jpg

A411S
 

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