• Country
• Brazil

• Manufacturer / Brand
• Motorádio; São Paulo

• Year
• 1974

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

• Radiomuseum.org ID
• 282163

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

• Number of Transistors
• 8

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: 3 Faixas AR-M31 - Motorádio; São Paulo

• Shape
• Chassis only or for «building in»

• Author
• Model page created by Carlo Giovanni Cesana. See "Data change" for further contributors.

• Other Models

• Here you find 12 models, 8 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Motorádio; São Paulo