• Year
  • 1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 340290

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 456 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 230 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm
  • Power out
  • 3 W (undistorted)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Columbus 38 [Mantel] - Columbus Brand; Radio Centre
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Price in first year of sale
  • 31.50 NZ £
  • Literature/Schematics (1)
  • -- Original prospect or advert (Nelson Evening Mail 31 July 1937 Page 7)
  • Author
  • Model page created by Brian Stevens. See "Data change" for further contributors.

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