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H406

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ID = 2021
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Triode, vacuum   Universal 
Identical to H406 = RE074
Similar Tubes
Normally replaceable-slightly different:
  DK405 ; H412
First year 1926 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Mar.1927 : Funk Bastler 1927 Heft 39
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
h406_application.png
H406: Valvo-Röhren Prospekt ca. 1933
Achim Dassow
1_34.png H406: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		h406_daten_kennl.png
H406: Valvo Daten Heft 1930
Trev Levick
Usage in Models 1= 1926 ; 2= 1927? ; 6= 1928? ; 3= 1928 ; 2= 1929 ; 1= 1930??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):15
Literature "VALVO Röhren in höchster Vollendung"

Collection of

Hartmut Völler (D)
Peter Pfeiffer (D)
Christian ADAM (F)
Tomasz Szczesniak (PL)
Patrice Zeissloff (F)
 
h406.jpg

H406
 
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