• Country
• Germany

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

• Year
• 1952/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 15577

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

• Number of Tubes
• 7

• Valves / Tubes
• EF80 EC92 ECH81 EF85 EM71 EABC80 EL41

• Number of Transistors

• Semiconductors
• Tr.Gl.=Metal-rectif.

• Main principle
• Superheterodyne (common); ZF/IF 468/10700 kHz

• Tuned circuits
• 6 AM circuit(s)     8 FM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 24 cm = 9.4 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Weltfunk W528 - Krefft AG, W.; Gevelsberg

• Shape
• Tablemodel, low profile (big size).

• Notes
• AM-ZF auch 472 kHz.

• Net weight (2.2 lb = 1 kg)
• 13 kg / 28 lb 10.1 oz (28.634 lb)

• Price in first year of sale
• 355.00 DM

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

• Source of data
• Kat.d.Rundf.GrossH.1952/53 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Kat.d.Rundf.GrossH.1951/52

• 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