• Country
• Germany

• Manufacturer / Brand
• Graetz, Altena (Westfalen)

• Year
• 1965/1966

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 26067

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

• Number of Tubes
• 8

• Valves / Tubes
• ECC85 ECH81 EBF89 ECC83 EMM803 ECC83 ECLL800 ECLL800

• Number of Transistors
• 4

• Semiconductors
• AC125 AC125 AC125 AC125 AA113 AA113 AA112 AA112 AA112 AA112 AA112 AA112

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz

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

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 150; 220; 240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Präludium 23C - Graetz, Altena Westfalen

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 650 x 240 x 250 mm / 25.6 x 9.4 x 9.8 inch

• Notes
• Stereo-Decoder eingebaut; Stereo-NF-Verstärker mit 2 Gegentakt-Endstufen je 8 W; zwei Lautsprecher-Boxen (65×24×25 cm, 4 kg)) mit je 2 LS im Lieferumfang.

• Net weight (2.2 lb = 1 kg)
• 8 kg / 17 lb 9.9 oz (17.621 lb)

• External source of data
• erb

• Source of data
• Handbuch VDRG 1965/1966

• Other Models

• Here you find 775 models, 696 with images and 594 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graetz, Altena (Westfalen)