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H4129D

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ID = 2521
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to H4129D = RENS1294 = E447
Similar Tubes
Normally replaceable-slightly different:
  S434N
First year 1933 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Oct.1933 : Funkschau

Base Europe 5-Pin (O5A, B5) (Codex=Fco)
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  h4129dschem.gif.gif
  H4129D: W.B.
Wouter Brughmans
 
h4129d_a.jpg
H4129D: scc
Christian Schaufelberger

 
13_9.png
H4129D: Telefunken Werkstattbuch
Wolfgang Bauer

 
vv34_34.png
H4129D: Valvo-Röhren-Daten 1934
Jacob Roschy


Usage in Models 1= 1933 ; 3= 1934 ; 2= 1935? ; 1= 1935 ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8


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