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ID = 51057
Brand: Pope's Draad- en Lampenfabrieken; Venlo
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Space Charge Tetrode 
  <1925 very rare. ***
Identical to PR6-Condor = PR6_Pope = B6_Philips

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact.
Filament Vf 1.8 Volts / If 0.15 Ampere / Direct / Battery =
Description Detector, HF and LF amplification. Also made with UX4 base. 
Dimensions (WHD)
incl. pins / tip
45 x 96 x 28 mm / 1.77 x 3.78 x 1.10 inch
Weight 44 g / 1.55 oz
Information source - - Manufacturers Literature   1925

1_7~~13.png PR6-Condor: Telefunken Werkstattbuch
Wolfgang Bauer

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