• Country
• Germany

• Manufacturer / Brand
• Heli Gerätebau, Hempel KG; Limbach-Oberfrohna, (Ostd.)

• Year
• 1966/1967

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 14966

• • alternative name: Gerätebau Limbach VEB
  • Brand: VEB Elektromechanik Mittweida

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

• Number of Tubes
• 8

• Valves / Tubes
• ECC85 ECH81 EBF89 EBF89 EM84 ECL86 ECL86 EZ81

• Number of Transistors
• 10

• Semiconductors
• GC100 GC100 GC116 GC117 GC117 GC117 GC117 GC117 GC117 GC122

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 8 AM circuit(s)     11 FM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 220; 240 Volt

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

• Power out
• 6 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: RK Stereo - Heli Gerätebau, Hempel KG;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 528 x 186 x 310 mm / 20.8 x 7.3 x 12.2 inch

• Notes
• Stereo-Decoder StD4 mit automatischer Umschaltung Mono-Stereo eingebaut. Stereo-Anzeige über Randzonen der Anzeigeröhre EM84. Schaltbare automatische Scharfabstimmung bei UKW. NF-Vorverstärker transistorisiert. Balance-Regler rückseitig. 2 Endstufen mit je 3 W Ausgangsleistung.

• Net weight (2.2 lb = 1 kg)
• 14 kg / 30 lb 13.4 oz (30.837 lb)

• Price in first year of sale
• 850.00 DM

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Die Geschichte der Rundfunkindustrie der DDR Band 1 1945 - 1967

• Literature/Schematics (1)
• - - Manufacturers Literature

• Other Models

• Here you find 119 models, 108 with images and 66 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Heli Gerätebau, Hempel KG; Limbach-Oberfrohna, (Ostd.)