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

A642_Philips

Information - Help 
ID = 54210
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to A642_Philips
Similar Tubes
Normally replaceable-slightly different:
  CT610SG
Other base:
  A642_UX4
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 12

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.06 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   
L'ABCDaire des lampes de TSF des jeunes années   p. 91
Babani, International Radio Tube Encyclopaedia
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

3_1~~5.png A642_Philips: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
a442-a642data_2.png
A642_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