Kosmaj 52

Radioindustrija Nikola Tesla; Beograd

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  • Year
  • 1952
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 108938

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 452 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Kosmaj 52 - Radioindustrija Nikola Tesla;
  • Notes
  • Sensitivity to antenna: Shortwave 12-20 µV, Broadcast 5-10 µV, Longwave 5-10 µV, Tone control: in the middle of position.
    Sensitivity to Phono: ca. 30-35 mV/500 Hz, Tone control: in the middle of position. Tone control: 3 stage position.
    Shortwave 18,75-5,8 MHz, Broadcast 1620-517 kHz, Long wave 420-150 kHz.
    Loudspeaker: 5 Ohm.
  • Literature/Schematics (1)
  • Opravka radio aparata II.izdanja (ing. Velimir Mesaroš)
  • Author
  • Model page created by Marko Karlin. See "Data change" for further contributors.

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