• Year
  • 1959 ?
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 150877

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Number of Transistors
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • 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 5.25 inch = 13.3 cm
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: N-638 - Automatic Radio Mfg. Co.;
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Battery operated 4 tube 1 transistor custom built automobile AM receiver. Sams photofact set 493 folder 3 date 7-60 features the Automatic Radio models N-638, N-639 and NA-749 as the same schematic.
  • Author
  • Model page created by Peter Hoddow. See "Data change" for further contributors.

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