• Year
  • 1959
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 72103

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

 Technical Specifications

  • Number of Tubes
  • 3
  • Number of Transistors
  • 2
  • Main principle
  • Superheterodyne (common); ZF/IF 252 kHz
  • 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) / Ø 5 inch = 12.7 cm
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 300X - Motorola Inc. ex Galvin Mfg.Co
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Motorola 300X is a "hybrid" car radio equipped with low voltage tubes and 2 transistors.
  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 19, 1959

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