• Country
• Belgium

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

• Year
• 1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 210368

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

• Number of Tubes
• 8

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

• Main principle
• Superheterodyne (common); ZF/IF 444 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 110-255 Volt

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Aristona H25U - NSF Nederlandsche

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 615 x 425 x 285 mm / 24.2 x 16.7 x 11.2 inch

• Notes
• For DC operation a vibrator is used: nr.7880 (110 V) or nr. 7881 (220 V). Loudspeaker nr. 9602.

• Net weight (2.2 lb = 1 kg)
• 20.5 kg / 45 lb 2.5 oz (45.154 lb)

• Price in first year of sale
• 3,900.00 BEF

• Mentioned in
• NSF-Koerier, December 1941

• 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 82 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from NSF (Nederlandsche Seintoestellen Fabriek); Leuven