• Year
  • 1957
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 338625

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 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 230 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Challenger 515 - Columbus Brand; Radio Centre
  • Shape
  • Tablemodel, with any shape - general.
  • Price in first year of sale
  • 14.70 £
  • Literature/Schematics (1)
  • -- Original prospect or advert (Press 12 December 1957 Page 24)
  • Author
  • Model page created by Brian Stevens. See "Data change" for further contributors.

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