• Country
• Denmark

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

• Year
• 1939 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 310549

• • Brand: Superphone

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

• Number of Tubes
• 6

• Valves / Tubes
• ECH11 EF11 EBC3 EM4 CL4 CY1

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Superphone D340U - NRI - Nordisk Radio Industri A

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

• Author
• Model page created by Tomasz Szczesniak. 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