radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

A235_Philips

Information - Help 
ID = 55039
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to A235_Philips
Similar Tubes
Normally replaceable-slightly different:
  210H
Heater different:
  A435 ; A635

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact and top contact.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Description

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).

 
Information source - - 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

 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information