H94A, H94A -20

• Country
• Netherlands

• Manufacturer / Brand
• NSF Nederlandsche Seintoestellen Fabriek, Hilversum

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 94924

• Picture
• Schematics

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

• Number of Tubes
• 4

• Valves / Tubes
• ECH3 EF9 EBL1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 128 kHz; 1 AF stage(s)

• Tuned circuits
• 7 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 18 cm = 7.1 inch

• Material
• Various materials

• from Radiomuseum.org
• Model: H94A, H94A -20 - NSF Nederlandsche

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 560 x 300 x 220 mm / 22 x 11.8 x 8.7 inch

• Notes
• 3 Band reception:
  • LW: 708 - 2000 m.
  • BC: 175 - 585 m.
  • SW: 13,8 - 51 m.
  Tuning scale light bulbs type: 8091D (6,3V, 640mA).
  Loudspeaker Philips type 9646. Connectors for second loudspeaker and for pick-up. 
   
  This model is comparable with NSF-Aristona H94A, NSF-Aristona RA94A, Mediator_M94A, SFR-Radiola RA94A, Mullard_MAS94 and Philips_680A.
   
  Push button preselector system (Linodyne system) with 9 buttons defined from left to right as: 3 for LW or MW, 3 for MW only and 1 for manual tuning on LW, MW and SW.
   
  Wooden cabinet with bakelite front. 
   
  The technical manual mentions a variant -20 for the Belgian market. Since it is not known where this variant was produced (Eindhoven or Leuven), it is mentioned for both factories.
   
  The technical manual mentions dimensions and weight which are identical to those of model Philips 680A although the form of the cabinet is different.

• Net weight (2.2 lb = 1 kg)
• 10.3 kg / 22 lb 11 oz (22.687 lb)

• Price in first year of sale
• 119.00 Hfl

• Source of data
• Technisch- Commercieel - Radio Vademecum Staleman

• Mentioned in
• Technisch- Commercieel - Radio Vademecum Staleman (H.2)

• Literature/Schematics (1)
• -- Original-techn. papers. (Generic model 94A by Philips dated 1939)

• Author
• Model page created by John Koster. 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