• Country
• Denmark

• Manufacturer / Brand
• Sonofon; Denmark

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 326609

• • alternative name: Prytz & Berthelsen

• Number of Tubes
• 3

• Valves / Tubes
• CF7 CL4 CY1

• Main principle
• Crystal or Solid State Detector with Amplifer

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

• Power type and voltage
• AC/DC-set / 110; 127; 220; 240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Detektor Radio 72 U - Sonofon; Denmark

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

• Dimensions (WHD)
• 400 x 320 x 250 mm / 15.7 x 12.6 x 9.8 inch

• Net weight (2.2 lb = 1 kg)
• 8.1 kg / 17 lb 13.5 oz (17.841 lb)

• Price in first year of sale
• 250.00 DKr

• Mentioned in
• -- Original prospect or advert (Sonofon Prospekt von 1937, Seite 6)

• Author
• Model page created by Joachim Benneke. See "Data change" for further contributors.

• Other Models

• Here you find 18 models, 17 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sonofon; Denmark