• Country
• Sweden

• Manufacturer / Brand
• Stern & Stern (Concerton / Conserton), S&S; Stockholm

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 135596

• Number of Tubes
• 7

• Valves / Tubes
• ECH3 EBF2 EF6 CL6 EM4 CL6 CY2

• Main principle
• Superheterodyne (common)

• Power type and voltage
• AC/DC-set

• Loudspeaker
• Presumably Dynamic Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: U440 - Stern & Stern Concerton /

• Source of data
• - - Manufacturers Literature

• Other Models

• Here you find 395 models, 230 with images and 174 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stern & Stern (Concerton / Conserton), S&S; Stockholm