• Year
  • 1955
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 176170

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 465 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 220 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Hongxing 红星 Red Star 503 - Nanjing 南京无线电厂 Nanjing Radio
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 170 x 370 x 230 mm / 6.7 x 14.6 x 9.1 inch
  • Notes
  • The model 503 has a full transformer. Same tube line up like 502 and 502-A. the Hingxing 503 has broadcast band 550 - 1600 kHz and SW 5 - 10 (30 - 60 m) and 10 - 20 MHz 15 - 30 m). Loudspeaker cloth with picture.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum