• Country
• Belgium

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

• Year
• 1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 210377

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

• Number of Tubes
• 6

• Valves / Tubes
• CK1 CF2 CB1 CF1 CL2 CY1

• Main principle
• Superheterodyne (common); ZF/IF 104 kHz

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• AC/DC-set / 110-240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Aristona H28U - NSF Nederlandsche

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 350 x 410 x 215 mm / 13.8 x 16.1 x 8.5 inch

• Notes
• Ballast tube depending on mains voltage: C1 (220 V) or C9 (110V ). Loudspeaker 4283.

• Net weight (2.2 lb = 1 kg)
• 9.5 kg / 20 lb 14.8 oz (20.925 lb)

• Mentioned in
• NSF-Koerier, December 1941

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

• Other Models

• Here you find 110 models, 65 with images and 75 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from NSF (Nederlandsche Seintoestellen Fabriek); Leuven