• Country
• United States of America (USA)

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

• Year
• 1940–1942

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

• Radiomuseum.org ID
• 202091

• Number of Tubes
• 6

• Valves / Tubes

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 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
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.25 cm = 2.1 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: 451 old - Motorola Inc. ex Galvin Mfg.Co

• Shape
• Chassis only or for «building in»

• Price in first year of sale
• 44.95 $

• Mentioned in
• Radio Retailing (Radio & Television R.) (March 1941.)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 4623 models, 2967 with images and 4123 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)