• Country
• United States of America (USA)

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

• Year
• 1956/1957

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

• Radiomuseum.org ID
• 81768

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

• Number of Tubes
• 6

• Valves / Tubes
• 12BA6 12BE6 12BA6 12CR6 12AQ5 12X4

• Main principle
• Superhet with RF-stage; ZF/IF 265 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) / 12 Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Metal case

• from Radiomuseum.org
• Model: American Motors 6MA 8990378 [265 IF] - Motorola Inc. ex Galvin Mfg.Co

• Shape
• Chassis only or for «building in»

• Notes

• Motorola model 8990378 6MA is customised for 1956/57 Hudson Wasp and Hornet.
  There is a similar model 76MA, customised for Nash Statesman and Ambassador.
  Vibrator for +B.

• Mentioned in
• Photofact Folder, Howard W. SAMS (Date 9-56, set 329, folder 3)

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 16, 1956 (p.73)

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 307 Folder 18-S dated 2-56)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• 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)