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X4122

Information - Help 
ID = 2609
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  HEXODE   Frequency converter 
Identical to X4122 = RENS1224 = E448 = MH4100
Similar Tubes
Heater different:
  X2818
First year 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 / Indirect / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
x4122.jpg
X4122
Roland Biesler

 
10_19.png
X4122: Telefunken Werkstattbuch
Wolfgang Bauer

 
vv34_37.png
X4122: Valvo-Röhren-Daten 1934
Jacob Roschy


Usage in Models 1= 1933 ; 1= 1934

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


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