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DD_Philips

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ID = 53205
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Gas Triode   Detector 
  <1925 very rare. ***
Identical to DD_Philips
Similar Tubes
Normally replaceable-slightly different:
  NERAS
Production stop 1920
Predecessor Tubes NERAS  
Successor Tubes D111  

Base Telefunken base 4 pin
Was used by Radio/TV-reception etc.
Filament Vf 3.5 Volts / If 0.5 Ampere / Direct / Battery =
Description This is a pre-production tube for the D111 (1920). Anode 25-30 Volt. 
Dimensions (WHD)
incl. pins / tip
31 x 72 x 28 mm / 1.22 x 2.83 x 1.10 inch
Weight 27 g / 0.95 oz

re85_re11_sockel~~1.png DD_Philips: Funk, 1924 Heft15
Trev Levick


Just Qvigstad

Collection of

 
ddphilips.jpg

 

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