• Country
• United States of America (USA)

• Manufacturer / Brand
• United Motors Service (Delco)

• Year
• 1949 ?

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

• Radiomuseum.org ID
• 77481

• • 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
• 6

• Valves / Tubes
• 7A7 7Q7 7A7 7B6 7C5 7Y4

• Main principle
• Superhet with RF-stage; ZF/IF 257.5 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) / 6 V= Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: 984247 Pontiac - United Motors Service Delco

• Notes
• vibrator 44 for +B;

• Circuit diagram reference
• Rider's Perpetual, Volume 18 = 1949 and before

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 09, 1949

• Author
• Model page created by Walter Wiesmüller † May 2012. 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)