• Country
• Germany

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

• Year
• 1964/1965

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25802

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

• Number of Tubes
• 6

• Valves / Tubes
• ECC85 ECH81 EAF801 ECC83 EM84 ELL80

• Number of Transistors
• 1

• Semiconductors
• AF137

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 6 AM circuit(s)     12 FM circuit(s)

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

• Details
• Changer (Record changer)

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

• Loudspeaker
• 2 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ravenna Ch= 664 [mattiert] - Imperial Rundfunk und Fernseh

• Shape
• Console with Push Buttons.

• Dimensions (WHD)
• 1100 x 750 x 390 mm / 43.3 x 29.5 x 15.4 inch

• Notes
• Rundfunk-Chassis = 664-Stereo, Stereo-Decoder nachrüstbar, Stereo-NF-Verstärker mit 2 Endstufen je 3 W;
  Stereo-Plattenwechsler verschiedener Fabrikate.

• Price in first year of sale
• 1,058.00 DM

• External source of data
• Erb

• Source of data
• Handbuch VDRG 1964/1965 / Radiokatalog Band 2, Ernst Erb

• Literature/Schematics (1)
• -- Schematic

• Other Models

• Here you find 449 models, 417 with images and 215 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