• Country
• United States of America (USA)

• Manufacturer / Brand
• United Motors Service (Delco)

• Year
• 1959/1960

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 70448

• • 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 Transistors
• 8

• Semiconductors
• DS-21 DS-12 DS-11 DS-16 DS-14 DS-14 DS-19 DS-501 DS-18 DS-18 DS-18

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz; 3 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 12 Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Metal case

• from Radiomuseum.org
• Model: 988978 Pontiac - United Motors Service Delco

• Shape
• Chassis only or for «building in»

• Notes

• The models Buick 981970, Oldsmobile 989172 and Pontiac 988978 from United Motors Service (Delco, General Motors) are portable AND automobile AM radios with the same schematics. See a complete picture plus the portable part on 989172 Oldsmobile. They come with 8 transistors: DS21, DS12, DS11, DS16, DS14, DS14, DS19, DS501 and 3 diodes DS18 - but correct it is DS-21, DS-12, DS-11, DS-16, DS-14, DS-14, DS-19, DS-501 and 3 diodes DS-18.

  See also 989172 Oldsmobile and other links.

• Source of data
• Beitman Radio Diagrams, Vol. 19, 1959

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 12-59, Set 467, Folder 15)

• Author
• Model page created by Hinrich Grensemann † 15.5.16. 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)