• Year
  • 1949/1950
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 71724

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast, Long Wave and 2 x Short Wave.
  • Power type and voltage
  • Dry Batteries / 90/1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Knuppen 491 - Ostfold Radio A/S;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 310 x 250 x 160 mm / 12.2 x 9.8 x 6.3 inch
  • Price in first year of sale
  • 302.00 NKr.
  • Author
  • Model page created by Ernst Rykkje. See "Data change" for further contributors.

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Museums

The model Knuppen can be seen in the following museums.

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