• Year
  • 1929
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 172381

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)
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: NSF4 [ver 7] - NSF Nederlandsche
  • Shape
  • Tablemodel, low profile (big size).
  • Notes
  • Dieses Modell benutzt eine Schaltung zur Erzeugung von u.A. 300V Anodenspannung (mit Röhre 506). Gleichrichter 2504 dient zur Erzeugung der negativen Gitterspannung.
  • Source of data
  • -- Original-techn. papers.
  • Author
  • Model page created by Gidi Verheijen. See "Data change" for further contributors.

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