• Country
• Sweden

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

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 134731

• Number of Tubes
• 3

• Valves / Tubes
• RENS1820 REN1821 RENS1823d

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

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

• Details
• Record Player (not changer)

• Power type and voltage
• Direct Current supply (DC) / 220 Volt

• Material
• Wooden case

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

• Shape
• Console, Lowboy (legs < 50 %).

• Source of data
• -- Original-techn. papers.

• Other Models

• Here you find 392 models, 221 with images and 172 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