• Country
• Sweden

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

• Year
• 1941/1942

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 31014

• • Brand: Radiola

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

• Number of Tubes
• 4

• Valves / Tubes
• MDK21 MDF21 MDAC21 MDL21

• Main principle
• Superheterodyne (common); ZF/IF 467 kHz

• Tuned circuits
• 5 AM circuit(s)

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

• Power type and voltage
• Dry Batteries / 4.5 & 72 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 11 cm = 4.3 inch

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Radiola 410 Bat - SR, Svenska Radioaktiebolaget

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 280 x 164 x 133 mm / 11 x 6.5 x 5.2 inch

• Notes

• Wood, dressed in cloth, carrying handle in leather. On the inside of the back-cover, there is a test-report (Prov-sedel) which says that this radio was tested in 1941.

• Net weight (2.2 lb = 1 kg)
• 4.2 kg / 9 lb 4 oz (9.251 lb)

• Price in first year of sale
• 142.50 SEK

• Author
• Model page created by Jörgen Svensson. 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