• Country
• Denmark

• Manufacturer / Brand
• American Apparate Company (AAC); Gentofte, Glostrup / Kirkebjerg

• Year
• 1948 ?

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 239742

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

• Number of Tubes
• 5

• Valves / Tubes
• EF50 ECH21 ECH21 EBL21 EZ2

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

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: Champion 4748 - American Apparate Company AAC;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 180 x 140 x 240 mm / 7.1 x 5.5 x 9.4 inch

• Notes

• External power supply unit measuring 160 x 70 x 120 mm.

  Tubes types ECH21, ECH21, EBL21 are uncertain, though it is very likely they were used in this receiver.

• Net weight (2.2 lb = 1 kg)
• 5.5 kg / 12 lb 1.8 oz (12.115 lb)

• Price in first year of sale
• 610.75 DKK

• Mentioned in
• Rateksa yearbook 1948

• Author
• Model page created by Søren Heden. See "Data change" for further contributors.

• Other Models

• Here you find 13 models, 9 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from American Apparate Company (AAC); Gentofte, Glostrup / Kirkebjerg