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A235_Philips

Información - Ayuda 
ID = 55039
       
País:
Holanda
Marca: Philips; Eindhoven (tubes international!); Miniwatt
Diseñador: Philips; Eindhoven (tubes international!); Miniwatt 
Tipo:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Idéntica a A235_Philips
Válvulas similares
Substituya normalmente -diferencia peq.:
  210H
Heater different:
  A435 ; A635

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact and top contact.
Usada en Radio/TV-reception etc.
Filamento Vf 2 Volt / If 0.06 Ampere / Direct / Battery =
Descripción

HF amplification.The anode can be connected by the top screw cap (wire has to be removed), or by the anode pin (wire in place).

 
Literatura - - Manufacturers Literature   1927
L'ABCDaire des lampes de TSF des jeunes années   p. 11
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

1_11~~2.png A235_Philips: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
a235.png
A235_Philips: own collection
Peter den Boer † 2025

 

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