• Country
• United States of America (USA)

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

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 49131

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

• Number of Tubes
• 6

• Valves / Tubes
• 7H7 7A4 7A7 7B6 7B5 5Y3GT

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Details
• Changer (Record changer)

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 65F12 Ch= HS-31 - Motorola Inc. ex Galvin Mfg.Co

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 17.5 x 11.25 x 16.75 inch / 445 x 286 x 425 mm

• Notes
• Tunes 535 to 1620 kc.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 15 = 1947 and before

• Mentioned in
• Radio Retailing (Radio & Television R.) (September 1947 page 76.)

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 07, 1947

• Other Models

• Here you find 4508 models, 2955 with images and 4002 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)