• Country
• United States of America (USA)

• Manufacturer / Brand
• Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)

• Year
• 1965 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 242339

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

• Number of Tubes
• 5

• Valves / Tubes
• 12BE6 12BA6 12AV6 50C5 35W4

• 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
• AC/DC-set / Either AC 60 cycles, 120V or DC, 120 Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: AT31BG Ch= HS-68202 - Motorola Inc. ex Galvin Mfg.Co

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes

• The Motorola AT31BG is an AC/DC operated 5 tube BC band receiver. Has built-in loop antenna. BC band tuning range is 535 to 1620kHz. Cabinet color is Green. Has Qty(1) 3.5" PM speaker and Qty(1) 4" PM speaker.

  The following models use the same schematic and cabinet but have different cabinet colors:

  Model Number	Cabinet Color
  AT31BE	Brown
  AT31BG	Green
  AT31BH	White
  AT31BN	Beige

   

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 26, 1966

• Literature/Schematics (1)
• - - Manufacturers Literature (Motorola Datasheet 68P63010A46 Dated 3-66)

• Literature/Schematics (2)
• Beitman Radio Diagrams, Vol. 26, 1966 (Page 69)

• Author
• Model page created by John Kusching. See "Data change" for further contributors.

• Other Models

• Here you find 4596 models, 2962 with images and 4095 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)