• Country
• Czechoslovakia

• Manufacturer / Brand
• REL, Electrum; Brno

• Year
• 1940 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 166622

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

• Number of Tubes
• 6

• Valves / Tubes
• ECH11 EBC11 EF11 CL4 EM11 CY1 C1

• Main principle
• Superheterodyne (common); ZF/IF 132 kHz

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• AC/DC-set

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Polar U - REL, Electrum; Brno

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 550 x 350 x 280 mm / 21.7 x 13.8 x 11 inch

• Author
• Model page created by Gabriel Toth. See "Data change" for further contributors.

• Other Models

• Here you find 49 models, 28 with images and 35 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from REL, Electrum; Brno