• Year
  • 1933/1934
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 35610

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 480 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • AC/DC-set / 110 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 657 - Colonial Radio Co.; Long
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 12 x 9 x 5.75 inch / 305 x 229 x 146 mm
  • Notes
  • 115 Ohm resistance line cord.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 5 = ca. 1934 and before
  • Literature/Schematics (3)
  • The Colonial Folder for 1934.

 Collections | Museums | Literature

Collections

The model 657 is part of the collections of the following members.

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