• Year
  • 1949
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 104908

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
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • AC/DC-set / 100-260 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 72 - Invicta Radio Ltd.; Cambridge,
  • Shape
  • Tablemodel, low profile (big size).
  • Notes
  • An AC/DC valve table radio housed in a wooden case made for export. Coverage MW (185-550m), SW1 (24-32m), SW2 (15-20m) and SW3 (40-120m). Similar to the Invicta 73 which is housed in the same cabinet but which has MW, LW and 2 x SW bands. Early versions have two UAF41 IF valves, later replaced with UAF42 valves each requiring the addition of a 22k ohm resistor.

  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Peter Hoddow. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum