• Country
• Netherlands

• Manufacturer / Brand
• NSF Nederlandsche Seintoestellen Fabriek, Hilversum

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 214603

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH21 ECH21 EBL21 AZ1 EM4

• Main principle
• Superheterodyne (common); ZF/IF 452 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21.5 cm = 8.5 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: H159X-03 - NSF Nederlandsche

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 575 x 325 x 250 mm / 22.6 x 12.8 x 9.8 inch

• Notes
• 5 Band reception:
  • LW: 708 - 1950 m.
  • BC: 198 - 560 m.
  • SW1: 16,7 - 20,7 m.
  • SW2: 20,7 - 33,3 m.
  • SW3: 33,3 - 51,8 m.
  Tuning scale light bulbs type: 2 x 8045D (6,3V, 320mA).
  Loudspeaker Philips type 9602-05. Connectors for second loudspeaker and for pick-up. 
  This model is comparable with Siera S159X.
   

• Net weight (2.2 lb = 1 kg)
• 12 kg / 26 lb 6.9 oz (26.432 lb)

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

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

• Other Models

• Here you find 165 models, 120 with images and 94 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from NSF Nederlandsche Seintoestellen Fabriek, Hilversum