• Year
  • 1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 242102

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 128 kHz; 2 AF stage(s); Reflex
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 2 & 144 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 628B-13 - Philips; Eindhoven tubes
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 500 x 265 x 200 mm / 19.7 x 10.4 x 7.9 inch
  • Notes
    • AM reflex radio on batteries:
      • LW: 708 - 2000 m.
      • BC: 198 - 585 m.
      • SW: 16.5 - 51 m.
    • Economy switch to limit the anode current.
  • Net weight (2.2 lb = 1 kg)
  • 7.5 kg / 16 lb 8.3 oz (16.52 lb)
  • Mentioned in
  • -- Original-techn. papers.

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