• Country
• Sweden

• Manufacturer / Brand
• SR, Svenska Radioaktiebolaget (SRA, Radiola); Stockholm

• Year
• 1932 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 183145

• • Brand: Radiola

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Niederfrequenz-Transformator TW III 1:3 - SR, Svenska Radioaktiebolaget

• Shape
• Chassis only or for «building in»

• Notes
• Übertragung: 1:3

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 276 models, 171 with images and 163 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SR, Svenska Radioaktiebolaget (SRA, Radiola); Stockholm