• Country
• Denmark

• Manufacturer / Brand
• NRI - Nordisk Radio Industri A/S; Kopenhagen

• Year
• 1952 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 274849

• • Brand: Superphone

• Number of Tubes
• 5

• Valves / Tubes
• UCH21 UCH21 UBL21 UY1N UM4

• Main principle
• Superheterodyne (common); 1 AF stage(s)

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

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Superphone Duke - NRI - Nordisk Radio Industri A

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

• Dimensions (WHD)
• 470 x 305 x 215 mm / 18.5 x 12 x 8.5 inch

• Net weight (2.2 lb = 1 kg)
• 8.2 kg / 18 lb 1 oz (18.062 lb)

• Author
• Model page created by Gualtiero Cainelli. See "Data change" for further contributors.

• Other Models

• Here you find 39 models, 39 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from NRI - Nordisk Radio Industri A/S; Kopenhagen