• Country
• United States of America (USA)

• Manufacturer / Brand
• United Motors Service (Delco)

• Year
• 1957 ?

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

• Radiomuseum.org ID
• 83951

• • 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
• 12BA6 12BE6 12BA6 12BF6 12V6GT 12V6GT 0Z4

• Main principle
• Superhet with RF-stage; ZF/IF 262 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: Delco 981902 Buick - United Motors Service Delco

• Shape
• Chassis only or for «building in»

• Notes
• Push-pull output stage; Vibrator for +B.

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 18, 1958

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 6-58, Set 404, Folder 5)

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 393 Folder 13-S dated 3-58)

• Author
• Model page created by Egon Penker. 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)