• Country
• Germany

• Manufacturer / Brand
• Continental-Rundfunk GmbH (Stassfurter Imperial); Osterode/Harz

• Year
• 1953/1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 19360

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

• Number of Tubes
• 10

• Valves / Tubes
• EF42 EF42 EC92 EF41 EM34 ECH81 EF43 EAF42 EABC80 EL12

• Main principle
• Superhet with RF-stage; ZF/IF 454 or 472/10700 kHz

• Tuned circuits
• 9 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 110, 125, 150, 220, 240 Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Imperial J 653W - Continental-Rundfunk GmbH

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 650 x 410 x 300 mm / 25.6 x 16.1 x 11.8 inch

• Notes
• UKW-Eingangsteil mit Vorstufe und fremdgesteuerter Mischstufe.
  Ferritantenne mit separater HF-Vorstufe ist nur bei Mittelwelle in Funktion. Die anderen AM-Bereiche arbeiten ohne HF-Vorverstärkung.
  
  FM section with rf amplifier, separate local oscillator and mixing stage.
  On AM, rf amplifier combined with feritte antenna works only for MW/BC.

• Net weight (2.2 lb = 1 kg)
• 15 kg / 33 lb 0.6 oz (33.04 lb)

• Price in first year of sale
• 512.00 DM

• External source of data
• Erb

• Source of data
• Kat.d.Rundf.GrossH.1953/54 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Funkschau (Schaltungssammlung Nr. 21)

• Literature/Schematics (1)
• Lange, Schaltungen der Funkindustrie (Band 2)

• Other Models

• Here you find 143 models, 127 with images and 88 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Continental-Rundfunk GmbH (Stassfurter Imperial); Osterode/Harz