• Country
• Great Britain (UK)

• Manufacturer / Brand
• Invicta Radio Ltd.; Cambridge, London

• 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.

• Number of Tubes
• 5

• Valves / Tubes
• UCH42 UAF41 or UAF42 UAF41 or UAF42 UL41 UY41

• 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

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (944 dated March 4 1950)

• Author
• Model page created by Mario Coelho. See "Data change" for further contributors.

• Other Models

• Here you find 117 models, 68 with images and 82 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Invicta Radio Ltd.; Cambridge, London