• Year
  • 1937
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 64521
    • alternative name: Delco Radio Corp. (Appliance) || Delco-Remy Division, General Motors Corp. || United Motors Service Delco General Motors
    • Brand: Chieftain || Delco

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 262 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / =6 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Delco R-640 - United Motors Service Delco
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 8.75 x 7.5 x 7.25 inch / 222 x 191 x 184 mm
  • Notes
  • vibrator for +B;
  • Price in first year of sale
  • 39.95 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 9 = 1938 and before
  • Literature/Schematics (1)
  • 1938 Radolek Catalog

 Collections | Museums | Literature

 Forum