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D1

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ID = 19402
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Gas Triode   Detector 
  <1925 rare.
Identical to D1 = D-I = PR11_Pope = PR11_Condor = D-I_Ideezet = DLV_Ideezet
Similar Tubes
Other base:
  D-IV ; D4_Philips ; PR11_UV-Condor
First Source (s)
Aug.1920 : - - Manufacturers Literature H 402
05.Mar.1926 : Radio Luistergids, The Netherlands tube still available

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 3.5 Volts / If 0.5 Ampere / Direct / Battery =
Description Die D1 bzw. D I von Philips ist als AM-Demodulator eingesetzt (Audion-Detektor-Röhre). Sie hat einen Metallsockel und röhrenförmiges Aussehen; Uf=3,5VDC, If=0,5A, Ua=25-30V. Sie enthält Argongas. Die gleiche Röhre heisst in 1921 biss 1925 D I bzw. D-I, zeigt also eine römische Nummer (ohne Bindestrich). 
Dimensions (WHD)
incl. pins / tip
30 x 90 x 29 mm / 1.18 x 3.54 x 1.14 inch
Weight 34 g / 1.20 oz
Tube prices 5 Tube prices (visible for members only)
Information source Radios von gestern, 2. Auflage   
 
d1_philips_02.jpg
D1: Collection TL
Thomas Lebeth

 
1_223.png
D1: Telefunken Werkstattbuch
Wolfgang Bauer

 
philips_kennlinie_roehre_d1.png
D1: Taschenbuch der Rundfunktechnik, 1925
Detlef Kraus


from Just Qvigstad

Usage in Models 1= 1921 ; 1= 1922 ; 4= 1923 ; 1= 1924 ; 1= 1925 ; 1= 1926 ; 1= 1939 ; 2= 1946 ; 4= 1951 ; 5= 1952

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):21


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