• Year
  • 1923
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 69726

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

 Technical Specifications

  • Number of Tubes
  • 2
  • Valves / Tubes
  • D2 D2
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 4 & 50 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: O40 - NSF Nederlandsche
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • Information taken from Radio Nieuws 23/04. Picture Nr.: 004.12. This is the same model as Erres II.
  • Price in first year of sale
  • 115.00 Hfl
  • External source of data
  • Radio Amateur Museum / Frans J.J. Driesens + ISBN 90-76014-04-3.

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