• Year
  • 1966
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 329787

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

 Technical Specifications

  • Number of Transistors
  • 6
  • Main principle
  • Superhet with RF-stage
  • Tuned circuits
  • 8 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; 12 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: SK 74 - ACHE Electrónica S.A.I.C.,
  • Shape
  • Chassis only or for «building in»
  • Notes
  • There are two versions of SK74: one with negative to ground, the other with positive to ground (see schematics).

  • Mentioned in
  • RA:Manual de Circuitos de Radio a Transistores-H. A. Algarra (h.) pág.35

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