H140A

NSF Nederlandsche Seintoestellen Fabriek, Hilversum

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  • Year
  • 1940/1941
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 94977

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 473 kHz; 1 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 15 cm = 5.9 inch
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: H140A - NSF Nederlandsche
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 390 x 240 x 170 mm / 15.4 x 9.4 x 6.7 inch
  • Notes
  • 3 Band reception:
    • LW: 708 - 2000 m.
    • BC: 186 - 585 m.
    • SW: 16,7 - 51 m.
    Tuning scale light bulb type: 8095D (19V, 90mA).
    Loudspeaker Philips type 9676. No connectors for external loudspeaker or for pick-up. 

    This model is comparable with NSF Aristona H140A and Philips 435A. There is also a model H140C for DC mains only.

    The technical manual mentions tube UY1 as rectifier. However, it is more likely that rectifier UY1(N) is meant since the schematic makes use of its internal connections (pin2-pin6 and pin5-pin8).

    Attention: this model contains an autotransformer: chassis connected to the mains !

     

  • Net weight (2.2 lb = 1 kg)
  • 4.5 kg / 9 lb 14.6 oz (9.912 lb)
  • Price in first year of sale
  • 97.00 Hfl
  • Literature/Schematics (1)
  • -- Original-techn. papers. (Generic model 140A/140C by Philips dated 1940)
  • Author
  • Model page created by John Koster. See "Data change" for further contributors.

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