• Year
  • 1949/1950
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 71834
    • Brand: Supraphon

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 468 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • AC/DC-set / 110-240 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch
  • Power out
  • 2.5 W (unknown quality)
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: 504U-I - Tesla; Praha, Bratislava etc.
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Audio output power 0,75W only at 125V DC. Variant 504U-Ib without names of stations on the tuning scale.
  • Author
  • Model page created by Gabriel Toth. See "Data change" for further contributors.

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