• Country
• Norway

• Manufacturer / Brand
• Ostfold Radio A/S; Frederikstad

• Year
• 1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 71491

• Number of Tubes
• 6

• Valves / Tubes
• ECH21 EBF32 EF39 EL33 EM34 AZ31

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 130-230 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Monark 492 - Ostfold Radio A/S;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 600 x 360 x 240 mm / 23.6 x 14.2 x 9.4 inch

• Price in first year of sale
• 516.00 NKr.

• Author
• Model page created by Ernst Rykkje. See "Data change" for further contributors.

• Other Models

• Here you find 38 models, 26 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ostfold Radio A/S; Frederikstad