• Country
• Germany

• Manufacturer / Brand
• Krefft AG, W.; Gevelsberg (Westfalen): Weltfunk

• Year
• 1950/1951

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

• Radiomuseum.org ID
• 15560

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

• Number of Tubes
• 1

• Valves / Tubes
• ECF12

• Main principle
• RF Converter/Adapter (not voltage converter)

• Wave bands
• FM Broadcast Band Only

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: UKW-Einbaugerät W50 81-21-0400 - Krefft AG, W.; Gevelsberg

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 77 x 75 x 58 mm / 3 x 3 x 2.3 inch

• Notes
• Pendler mit Vorstufe.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Price in first year of sale
• 35.00 DM

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

• Source of data
• Kat.d. Rundf.Gr.Handel 1950/51 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Funk-Technik (FT) (5015)

• Other Models

• Here you find 125 models, 84 with images and 81 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Krefft AG, W.; Gevelsberg (Westfalen): Weltfunk