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HP4115

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ID = 10108
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to HP4115
Similar Tubes
Normally replaceable-slightly different:
  VP4A
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source History of the British Radio Valve to 1940   p. 152
Babani, International Radio Tube Encyclopaedia   p. 110 & 111
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
13_32.png HP4115: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad 		hp4115_spec.png
HP4115: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
Usage in Models 1= 1934 ; 3= 1935 ; 1= 1936? ; 1= 1937?? ; 2= 1943
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8

Collection of

Franz Buchsbaum (A)
Tomasz Szczesniak (PL)
 
hp4115_1.jpeg

HP4115
 
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