• Country
• Belgium

• Manufacturer / Brand
• NSF (Nederlandsche Seintoestellen Fabriek); Leuven

• Year
• 1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 174626

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

• Number of Tubes
• 5

• Valves / Tubes
• CK1 CF3 CBC1 CL4 CY1 C8 or C9

• Main principle
• Superheterodyne (common); ZF/IF 128 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• AC/DC-set / 110-125; 200-225 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• from Radiomuseum.org
• Model: Aristona V4U - NSF Nederlandsche

• Notes

• There is no mains voltage selector switch: the ballast tube has the necessary connections in its base: C8 for 200-225 Volt  and C9 for 110-125 Volt.

  The technical pages uploaded with this model give only the differences with type V4A.

  Octode-Super. 3 Band reception:
  • LW: 800 - 1900 m.
  • BC: 200 - 575 m.
  • SW: 16 - 51 m.
  Tuning scale light bulb type: 8080 (10V, 200mA).
  Loudspeaker Philips type 9617. 

• Price in first year of sale
• 1,295.00 Bfr

• Source of data
• Manuel de la Radio 1940, van Cortenberghe

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Gidi Verheijen. See "Data change" for further contributors.

• Other Models

• Here you find 110 models, 69 with images and 76 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from NSF (Nederlandsche Seintoestellen Fabriek); Leuven