• Country
• Germany

• Manufacturer / Brand
• Graetz, Altena (Westfalen)

• 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.

• 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

• Source of data
• Handbuch VDRG 1971/1972

• Other Models

• Here you find 777 models, 697 with images and 596 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graetz, Altena (Westfalen)