• Country
• Czechoslovakia

• Manufacturer / Brand
• REL, Electrum; Brno

• Year
• 1935/1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 23226

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

• Number of Tubes
• 7

• Valves / Tubes
• AK2 AF3 ABC1 AC2 AL1 AL1 AZ1

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

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 115-240 Volt

• Loudspeaker
• 2 Loudspeakers

• from Radiomuseum.org
• Model: Imperator 680 - REL, Electrum; Brno

• Notes
• Neon-Abstimmanzeige (evtl. 7 Röhren?)

• Price in first year of sale
• 2,950.00 Kc

• External source of data
• Erb

• Source of data
• Ceskoslovenske prijimace 1933-1945, Baudys 1947

• 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