• Country
• Germany

• Manufacturer / Brand
• Imperial Rundfunk und Fernseh (Kuba-Imperial, auch General Electric); Osterode/Harz, Hemmingen

• Year
• 1968

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 154238

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

• Number of Tubes
• 4

• Valves / Tubes
• ECH81 EAF801 ELL80 EMM803

• Number of Transistors
• 8

• Semiconductors
• 2N3662 BF194 BC167 2N3392 AA113 17P1 B250C100

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz; Export model

• Wave bands
• Broadcast, 2 Short Wave plus FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 230; 235; 250 Volt

• Loudspeaker
• - This model requires external speaker(s).

• from Radiomuseum.org
• Model: Radio Chassis 669E Stereo - Imperial Rundfunk und Fernseh

• Shape
• Chassis only or for «building in»

• Notes

• Imperial chassis 669E is a general export model with FM stereo (MPX) decoder. It has AM (MW), 2 SW and FM bands.

  Semiconductors listed once per type.

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Holger Ortmann. See "Data change" for further contributors.

• Other Models

• Here you find 446 models, 416 with images and 213 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Imperial Rundfunk und Fernseh (Kuba-Imperial, auch General Electric); Osterode/Harz, Hemmingen