• Year
  • 1938/1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 167332

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
  • 9 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Columbus 68V - Columbus Brand; Radio Centre
  • Shape
  • Tablemodel, low profile (big size).
  • Notes
  • Vibrator powered version of model 68B. Magic eye and dial lights separately switched.
  • Circuit diagram reference
  • Australian Official Radio Service Manual Vol. I I
  • Author
  • Model page created by Stuart Irwin. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum