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X4122

Country:  Germany      Brand:  Valvo Radioröhrenfabrik GmbH; Hamburg 
  Tube type:  HEXODE 
Tube ID = 2609
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Identical to X4122 = RENS1224 = E448
Similar Tubes Heater different:
 X2818
First Series   1933 Tube leaflet collection E.Erb Analysis by original leaflets
Predecessor Tubes U4100D  
Successor Tubes AK1  

Base Europe 7-Pin (C7A, C, 1933) (Codex=Lf)
Filament Vf 4 Volts / If: 1 Ampere /
Literature Taschenbuch zum Röhren-Codex 1948/49   

x4122_01.jpg
Collection TL
Thomas Lebeth

 
10_19.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
vv34_37.png
Valvo-Röhren-Daten 1934
Jacob Roschy

Usage in Models (calculation each 25th of the month)   1= 1933 ; 1= 1934 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   2
No further Information for

X4122    

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