• Country
• United States of America (USA)

• Manufacturer / Brand
• United Motors Service (Delco)

• Year
• 1947

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 64325

• • 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.

• Number of Tubes
• 7

• Valves / Tubes
• 7A7 7Q7 7A7 7E6 7C5 7C5 0Z4G

• Main principle
• Superhet with RF-stage; ZF/IF 260 kHz

• Tuned circuits
• 7 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
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: 982375 Oldsmobile - United Motors Service Delco

• Shape
• Chassis only or for «building in»

• Notes
• Vibrator 63. for +B;
  See also Rider's Perpetual, Volume 20.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 15 = 1947 and before

• Mentioned in
• Beitman Radio Diagrams, Vol. 07, 1947

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 20, Folder 4710-25)

• Other Models

• Here you find 585 models, 332 with images and 548 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from United Motors Service (Delco)