• Country
• Belgium

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

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 201212

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

• Number of Tubes
• 8

• Valves / Tubes
• EK3 EF9 EF8 EAB1 EM1 EF6 EL3 AZ1

• Main principle
• Superhet with RF-stage; ZF/IF 444 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 100; 250 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Aristona H25A - NSF Nederlandsche

• Shape
• Tablemodel with Push Buttons.

• Price in first year of sale
• 3,650.00 BEF

• Source of data
• -- Original-techn. papers.

• Mentioned in
• Radio Handboek 1940, G. van Cortenberghe

• Literature/Schematics (1)
• -- Original prospect or advert (Prospect "Intercontinentale serie NSF Aristona 1939")

• 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