Ukendt - unknown

Sonofon; Denmark

  • Year
  • 1935 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 341890
    • alternative name: Prytz & Berthelsen

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 AF stage(s)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • AC/DC-set / 220 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet. / Ø 21 cm = 8.3 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Ukendt - unknown - Sonofon; Denmark
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 340 x 320 x 210 mm / 13.4 x 12.6 x 8.3 inch
  • Notes
  • Mit Tonabnehmer-Eingang (Grammophon).

  • Author
  • Model page created by Wilhelm Siepe. See "Data change" for further contributors.

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