• Country
• United States of America (USA)

• Manufacturer / Brand
• Western Auto Supply Co. (Truetone); Kansas City (MO)

• Year
• 1953 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 65847

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1U4 1U5 3V4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / AC/DC 117=115-120/ 7.5 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Material
• Bakelite case

• from Radiomuseum.org
• Model: D-3120 A Truetone - Western Auto Supply Co.

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Factory Model 4P11 Selenium Rectifier

  Truetone model D-3120A is a three power portable AM superheterodyne receiver.

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 11, 1951

• Literature/Schematics (1)
• Rider's Perpetual, Volume 23 (last) = covering up to 1954

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 203, folder 12, dated 5-53)

• Other Models

• Here you find 917 models, 530 with images and 811 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Western Auto Supply Co. (Truetone); Kansas City (MO)