- Country
- Netherlands
- Manufacturer / Brand
- NSF Nederlandsche Seintoestellen Fabriek, Hilversum
- 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.
- 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.
| Service manual NSF4 version 7 | 980 KB |
- Documents regarding this model
- Author
- Model page created by Gidi Verheijen. See "Data change" for further contributors.
- 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