• Country
• Germany

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

• Year
• 1962 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 255495

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

• Number of Tubes
• 8

• Valves / Tubes
• ECC85 ECH81 EF85 EAA91 EM84 ECC83 ECL86 ECL86

• Number of Transistors
• 1

• Semiconductors
• OC75 B250C100

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)     10 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) / 110; 125; 220; 235; 250 Volt

• Loudspeaker
• 4 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Portofino Hi-Fi stereo J612aN export - Imperial Rundfunk und Fernseh

• Shape
• Console with Push Buttons.

• Dimensions (WHD)
• 1200 x 800 x 400 mm / 47.2 x 31.5 x 15.7 inch

• Notes

• Nachhall (Federhall); Lautsprecher 2 x Tief-Mittelton 24 x 18 cm; 2 x Hochton 9 cm Ø;
  Plattenwechsler Telefunken TW 504 E/S

  Amplificateur Hi-Fi stéréo
  - avec réverbération à ressort (Nachhall-Einrichtung) équipée d'un transistor OC75
  - 2 x 2 Hps: elliptique 24 x 18 cm et tweeter rond 9 cm
  - platine changeur 4 vitesses de marque Telefunken TW 504 E/S

• Mentioned in
• -- Original-techn. papers. (BedienungAnleitung)

• Literature/Schematics (1)
• Prinzip-Schaltbild J 612aN - Stereo

• Literature/Schematics (2)
• -- Original-techn. papers. (NachhallVerstärker zu 612 aN)

• Author
• Model page created by Fabrice Wohlgemuth. 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