• Country
• Germany

• Manufacturer / Brand
• Graetz, Altena (Westfalen)

• Year
• 1952–1954

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 1740

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

• Number of Tubes
• 3

• Valves / Tubes
• ECC81 EF41 EF41

• Number of Transistors

• Semiconductors
• RL231

• Main principle
• Superheterodyne (common); 10700 Special

• Tuned circuits
• 9 FM circuit(s)

• Wave bands
• FM Broadcast Band Only

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: UKW-Super-Vorsatz UK83W - Graetz, Altena Westfalen

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 225 x 110 x 100 mm / 8.9 x 4.3 x 3.9 inch

• Notes

• 87,5 - 101 MHz. Speziell für die Graetz-Typenreihe 151 - 153.

  Ein Paar Germaniumdioden RL231 (2x RL131 mached pair).

• Net weight (2.2 lb = 1 kg)
• 1.5 kg / 3 lb 4.9 oz (3.304 lb)

• Price in first year of sale
• 109.00 DM

• Source of data
• Kat.d.Rundf.GrossH.1952/53 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange Schaltungen der Funkindustrie, Buch 3

• Mentioned in
• Kat.d.Rundf.GrossH.1953/54

• 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)