• Country
• Norway

• Manufacturer / Brand
• Tandberg Radio; Oslo

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 288261

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

• Number of Tubes
• 4

• Valves / Tubes
• A440N A430N P425_Triotron G470

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 130; 150; 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 16 cm = 6.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Corona 3VB - Tandberg Radio; Oslo

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

• Dimensions (WHD)
• 380 x 240 x 190 mm / 15 x 9.4 x 7.5 inch

• Notes

• Wavebands: LW ca. 150 - 500 kHz, MW ca. 500 - 1500 kHz. Later models had station names on the dial.

  Similar to Corona 3V but with tone control.

  In the schematic for this model tubes A440 (unknown) and A430 are drawn, but the accompanying text mentions tubes A440N and A430N.

• Net weight (2.2 lb = 1 kg)
• 8 kg / 17 lb 9.9 oz (17.621 lb)

• Price in first year of sale
• 226.00 NOK

• Mentioned in
• -- Original-techn. papers.

• Other Models

• Here you find 203 models, 175 with images and 107 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tandberg Radio; Oslo