470U -20

Philips; Eindhoven (tubes international!); Miniwatt

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  • Year
  • 1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 26901

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; 1 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • AC/DC-set / 110-125; 200-225 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: 470U -20 - Philips; Eindhoven tubes
  • Dimensions (WHD)
  • 510 x 290 x 235 mm / 20.1 x 11.4 x 9.3 inch
  • Notes
  • 3 Band reception:
    • LW: 708 - 2000 m.
    • BC: 198 - 585 m.
    • SW: 16,7 - 51 m.
    Tuning scale light bulb type: 8092D (10V, 200mA).
    Loudspeaker Philips type 9636 with sound disperser cone. There are no connectors for second loudspeaker or pick-up. This model with the "-20" suffix is intended for the Belgian market.

    There is no mains voltage selector switch: tube C1 is used to select 200-225 V, tube C9 for 110-125 V.

  • Net weight (2.2 lb = 1 kg)
  • 10.2 kg / 22 lb 7.5 oz (22.467 lb)
  • Source of data
  • -- Original-techn. papers.
  • Author
  • Model page created by Iven Müller. See "Data change" for further contributors.

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