Uniknob Screened-Grid All-Mains III (3)

Rolls-Caydon (Brand), Campbell & Addison Ltd; London

  • Year
  • 1931
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 346980

 Technical Specifications

  • Number of Tubes
  • 3
  • Valves / Tubes
  • Main principle
  • TRF with regeneration; Screengrid 1926-1935
  • Wave bands
  • Broadcast and LongWave in ONE range.
  • Power type and voltage
  • AC/DC-set / 200-250 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Uniknob Screened-Grid All-Mains III - Rolls-Caydon Brand, Campbell &
  • Shape
  • Tablemodel, slant panel.
  • Notes
  • Rolls-Caydon has designed this remarkable screened-grid receiver for home use.

    Apart from the Loudspeaker, the receiver is self-contained. No aerial is required when it is not desired for one to be erected. The instrument incorporates a one-dial tuning control and is adaptable for universal A.C. mains. 

  • Mentioned in
  • -- Original prospect or advert (Wireless & Gramophone Trader Aug 2, 1930, Page 3.)
  • Author
  • Model page created by Clive Forder. See "Data change" for further contributors.

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