• Country
• United States of America (USA)

• Manufacturer / Brand
• Hudson Motor Car Co.

• Year
• 1937 ??

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

• Radiomuseum.org ID
• 44770

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

• Number of Tubes
• 6

• Valves / Tubes
• 6D6 6A7 6K7 85 6C5 6A6

• Main principle
• Superhet with RF-stage; ZF/IF 260 kHz; 3 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• 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)

• Power out
• 6 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: DB-37 - Hudson Motor Car Co.

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 10.2 x 7.3 x 6.5 inch / 259 x 185 x 165 mm

• Notes

• BC (540 - 1560 kHz) band. Push-pull audio amplifier. Built-in vibrator for B+. This radio was made for the Hudson or Terraplane cars.

  The manufacturer is Hudson or RCA.

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 15 models, 3 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hudson Motor Car Co.