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H4115D

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ID = 2520
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to H4115D = RENS1274 = E455
Similar Tubes
Normally replaceable-slightly different:
  AS4125
First year 1933 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Sep.1933 : Funkschau

Base Europe 5-Pin (O5A, B5) (Codex=Fc) Top contact screw type
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
h4115d_valvo.jpg
H4115D: Eigene Sammlung
Aldo Patriarca

 
9_22.png
H4115D: Telefunken Werkstattbuch
Wolfgang Bauer

 
vv34_31.png
H4115D: Valvo-Röhren-Daten 1934
Jacob Roschy


Usage in Models 1= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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