• Year
  • 1971–1973
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 28395

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

 Technical Specifications

  • Number of Transistors
  • 31
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 460/10700 kHz
  • Tuned circuits
  • 7 AM circuit(s)     12 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) / 110-127; 220-240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 20 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Form 77 - Graetz, Altena Westfalen
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 450 x 115 x 210 mm / 17.7 x 4.5 x 8.3 inch
  • Notes
  • Stereo-NF-Verstärker mit 2 Endstufen je 10 W (Sinus); zwei Lautsprecherboxen B3/15M gehören zum Lieferumfang. Gespreizte Mittelwelle in zwei Bereiche (M1 und M2). Stereo - Entzerrerverstärker EV3 serienmäßig bestückt. Äußerlich in Schleiflack altweiß oder schwarz erhältlich.
  • Net weight (2.2 lb = 1 kg)
  • 4 kg / 8 lb 13 oz (8.811 lb)
  • Price in first year of sale
  • 748.00 DM
  • External source of data
  • Erb

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The model Form is part of the collections of the following members.

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