• Year
  • 1934
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 269486

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 458 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 200-220; 230-240; 250-260 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 504CA Ch= 504A - Lekmek Radio Laboratories;
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Notes
  • This model differs from the 504C in having AGC.

    See uploaded notes from radio Trade Annual  1938, Page 290 for circuit changes.

  • Author
  • Model page created by Stuart Irwin. See "Data change" for further contributors.

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