• Country
• United States of America (USA)

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

• Year
• 1936

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

• Radiomuseum.org ID
• 65955

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

• Number of Tubes
• 6

• Valves / Tubes
• 6K7 6A8 6K7 6Q7 6N6 6X5

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5.25 inch = 13.3 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: D744 - Western Auto Supply Co.

• Shape
• Chassis only or for «building in»

• Notes
• Vibrator for +B.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Literature/Schematics (1)
• Riders 11-2, 24

• Other Models

• Here you find 901 models, 515 with images and 795 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)