• Country
• Sweden

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

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 200606

• • Brand: Radiola

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

• Number of Tubes
• 4

• Valves / Tubes
• ECH21 ECH21 EBL21 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 144 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 140; 150; 220; 245 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Power out
• 3.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Radiola 413V - SR, Svenska Radioaktiebolaget

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

• Dimensions (WHD)
• 490 x 330 x 265 mm / 19.3 x 13 x 10.4 inch

• Notes
• 3-gang variable capacitor. Pickup & additional loudspeaker (20 Ω) connections.
  Dial lamps 3x 6,5 V 0,15 A. Dial glass shows LM Ericsson logo.

• Net weight (2.2 lb = 1 kg)
• 12 kg / 26 lb 6.9 oz (26.432 lb)

• Author
• Model page created by Robert Kooijman. 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