• Country
• United States of America (USA)

• Manufacturer / Brand
• United Motors Service (Delco)

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 64510

• • 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
• 4

• Valves / Tubes
• 1C6 34 1F6 33 5E1

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 3 x 45 & 3 volt battery, Aircell or storage 2 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Delco R2050 - United Motors Service Delco

• Notes
• Delco model R2050 is a Farm Radio; Vibrator for +B; The 5E1 is a voltage regulator, which we do not count on receiver tubes. 540 - 1720 is the covering, broadcast only.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 9 = 1938 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)