• Year
  • 1935
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 170101

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
  • Tuned circuits
  • 8 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Storage and/or dry batteries / 135 & 90 & 2 & -1.5 & -4.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7B1 - Columbus Brand; Radio Centre
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Literature/Schematics (1)
  • Radio Trade Annual 1939 P222.
  • Author
  • Model page created by Stuart Irwin. See "Data change" for further contributors.

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