• Country
• United States of America (USA)

• Manufacturer / Brand
• United Motors Service (Delco)

• Year
• 1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 64222

• • 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
• 6D6 6A7 6D6 85 48 48

• Main principle
• Superhet with RF-stage; ZF/IF 450 kHz

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Direct Current supply (DC) / 32 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Delco 3205 - United Motors Service Delco

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Notes
• Set uses a 32-volt wall plug and has AVC and sensitivity control. Broadcast Band: 540 to 1570kc; Shortwave Band: 1570 to 4000kc

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 7 = 1936 and before

• 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)