• Year
  • 1931 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 52824
    • alternative name: Apex Electric Mfg. || Case Electric || Melrose || United States Radio & T

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: Radiotrope 62 - Apex Electric, Pool; Chicago;
  • Notes
  • Push-pull af output stage.
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before
  • Author
  • Model page created by Peter Rutishauser. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum