• Country
• Czechoslovakia

• Manufacturer / Brand
• REL, Electrum; Brno

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 185939

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH4 ECH4 EBL1 AZ1 EM11

• Main principle
• Superheterodyne (common); ZF/IF 480 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 120; 220; 240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Primus [ECH4] - REL, Electrum; Brno

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

• Dimensions (WHD)
• 495 x 310 x 230 mm / 19.5 x 12.2 x 9.1 inch

• Notes
• Gerätevariante mit Röhren der Roten Serie.

• Source of data
• - - Data from my own collection

• Author
• Model page created by Andreas Reuther. See "Data change" for further contributors.

• Other Models

• Here you find 49 models, 28 with images and 33 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from REL, Electrum; Brno