• Country
• United States of America (USA)

• Manufacturer / Brand
• United Motors Service (Delco)

• Year
• 1959 ?

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

• Radiomuseum.org ID
• 149171

• • 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
• 5

• Valves / Tubes
• 12DZ6 12AD6 12EK6 12DV8 12AL8

• Number of Transistors
• 1

• Semiconductors
• DS-501

• Main principle
• Superheterodyne (common); 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) / 12 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Delco-Remy 7274905 - United Motors Service Delco

• Shape
• Chassis only or for «building in»

• Notes
• Battery operated 5 tube 1 transistor custom built automobile AM receiver for 1960 Cadillac automobiles. Sams photofact set 499 folder 5 date 9-60 features the Delco models 7274905 and 7274925 as the same schematic. Model 7274925 is a remote control receiver.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 499 folder 5 date 9-60)

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 585 models, 331 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)