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D-IV

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ID = 22658
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Gas Triode   Detector 
  <1925 rare.
Identical to D-IV = PR11_UV-Condor = Detector_Star = D4_Philips
Similar Tubes
Other base:
  D1
First Source (s)
1923 : Saga of the Vacuum Tube, Tyne p.418
Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 3.5 Volts / If 0.5 Ampere / Direct / Battery =
Description

mit Argongas und Wolfram-Glühdraht. Uf=3,5VDC, If=0,5A, Ua=25-30V. Röhren mit dem Aufdruck "Serie" sind zur Heizung mit einem Eisen-Serienwiderstand für 6V-Batterie vorgesehen. Verwendet als Audion-Detektor- und Verstärker-Röhre. Die gleiche Röhre heisst ab 1925 D4, zeigt also eine arabische Ziffer.

 
Dimensions (WHD)
incl. pins / tip		 45 x 103 x 35 mm / 1.77 x 4.06 x 1.38 inch
Weight 42 g / 1.48 oz
Information source - - Manufacturers Literature   H732 15-1-1924
b4b5base.png D-IV
Peter den Boer

Just Qvigstad

Collection of

Peter den Boer (NL)
 
divtip.jpg

 

Variants

This D IV is tipless. On the glass is printed: Sold for amateur use only.
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