• Year
  • 1928
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 69757

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • TRF with regeneration
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 127; 225 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: NSF4 [ver 4] - NSF Nederlandsche
  • Shape
  • Tablemodel, low profile (big size).
  • Notes
  • Dieses Modell benutzt eine Schaltung (mit 506) die u.A. eine 150V Anodenspannung erzeugt. Mit Gleichrichter 2504 wird die negative Gitterspannung erzeugt.
  • Price in first year of sale
  • 325.00 Hfl
  • External source of data
  • Radio Amateur Museum / Frans J.J. Driesens + ISBN 90-76014-04-3.
  • Source of data
  • -- Original-techn. papers.

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Collections

The model is part of the collections of the following members.

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