• Year
  • 1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 36750

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 450 kHz; 2 AF stage(s)
  • Wave bands
  • Broadcast (MW), Police, sometimes also early TV (75-200m).
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 4 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 644 Ch= 5666 - Crosley Radio Corp.;
  • Shape
  • Console with any shape - in general
  • Notes
  • Wave bands: 540-1710 kHz and 2350-7500 kHz
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before

 Collections | Museums | Literature

Collections

The model 644 is part of the collections of the following members.

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