• Country
• United States of America (USA)

• Manufacturer / Brand
• United Motors Service (Delco)

• Year
• 1946/1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 64472

• • 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
• 12SK7 12SA7 12SK7 12SQ7 35L6GT 35Z5GT

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 115 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.75 inch = 12.1 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: R-1229 - United Motors Service Delco

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 14 x 8.5 x 7.5 inch / 356 x 216 x 191 mm

• Notes
• The Delco model R-1229 is an AC-DC Operated Superheterodyne with Self Contained Loop Antenna. Tuning 550 to 1700 kc.

• Net weight (2.2 lb = 1 kg)
• 9 lb 4 oz (9.25 lb) / 4.200 kg

• 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 16 = ca. 1948 and before

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date: Mar 1947, Set 15, Folder 475-6)

• Literature/Schematics (2)
• Radio Retailing (Radio & Television R.) (February 1947 page 52.)

• Other Models

• Here you find 585 models, 340 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)