• Year
  • 1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 301770

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 240 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 3 W (undistorted)
  • Material
  • Special material, described in the notes.
  • from Radiomuseum.org
  • Model: D42 - Amalgamated Wireless Valve Co.
  • Notes
  • Theoretical circuit and notes explaining series inverse feedback with resistance coupling on a pentode output stage.

  • Mentioned in
  • Radiotronics Apr 30, 1937, page 74.
  • Literature/Schematics (1)
  • Radiotronics Apr 30, 1937, page 75.
  • Author
  • Model page created by Gary Cowans. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum