• Year
  • 1949
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 88355

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 456 kHz
  • Wave bands
  • Broadcast, Long Wave and 2 x Short Wave.
  • Power type and voltage
  • AC/DC-set / 100-130/200-250 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 73 - Invicta Radio Ltd.; Cambridge,
  • Shape
  • Tablemodel, low profile (big size).
  • Notes
  • A 4 band AC/DC valve table radio housed in a wooden case. Coverage MW (185-550m), LW (900-2000m), SW1 (24-32m) and SW2 (15-20m). Similar to the Invicta 72 export model which is housed in the same cabinet but which has MW and 3 x SW bands. Early versions have two UAF41 IF valves, later replaced with UAF42 valves each requiring the addition of a 22k ohm resistor.

    Released September 1949, price £17 10s 0d plus purchase tax.

  • Mentioned in
  • Service Charts of Electrical and Radio Trading
  • Author
  • Model page created by Mario Coelho. See "Data change" for further contributors.

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The model is part of the collections of the following members.