• Year
  • 1955 ?
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 304656

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 262 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
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 554 Sonomatic - General Motors of Canada;
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 10 x 9.5 x 7 inch / 254 x 241 x 178 mm
  • Notes
  • The General Motors model 554 is a 7-tube car radio for 12V negative ground automobiles. Has 6 x 9 inch elliptical P.M speaker. With vibrator type B+ supply and push-pull output. Mainly used in 1955 Buick model cars.

  • Author
  • Model page created by Tom Seeger. See "Data change" for further contributors.

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