• Country
• Netherlands

• Manufacturer / Brand
• NSF Nederlandsche Seintoestellen Fabriek, Hilversum

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 69738

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

• Number of Tubes
• 4

• Valves / Tubes
• A410 A410 B406 B406

• from Radiomuseum.org
• Model: W12 - NSF Nederlandsche

• Notes
• Information taken from Maker information. Picture Nr.: 004.20 . Originally the following 4 tubes were used: A410 A410 B406 B406, later tubes which did not exist when model was on the market: A435 A415 A415 B405

• External source of data
• Radio Amateur Museum / Frans J.J. Driesens + ISBN 90-76014-04-3.

• Source of data
• Opkomst van de Nederlandse Radio-Industrie

• Other Models

• Here you find 160 models, 118 with images and 85 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from NSF Nederlandsche Seintoestellen Fabriek, Hilversum