• Country
• Sweden

• Manufacturer / Brand
• Nordiska Radiofabriken, Stockholm

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 151870

• Number of Tubes
• 4

• Valves / Tubes
• A425 A425 A425 B403

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

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

• Power type and voltage
• Storage and/or dry batteries / 4 &120 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: 4/27 - Nordiska Radiofabriken,

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 400 x 230 x 215 mm / 15.7 x 9.1 x 8.5 inch

• Net weight (2.2 lb = 1 kg)
• 3.6 kg / 7 lb 14.9 oz (7.93 lb)

• Author
• Model page created by Wolfram Zylka. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Nordiska Radiofabriken, Stockholm