• Year
  • 1958
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 133986

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

 Technical Specifications

  • Number of Transistors
  • 3
  • Semiconductors
  • Main principle
  • 3 AF stage(s)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 1.3 Volt
  • Loudspeaker
  • - only for Earphone!
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Micro-Midget - Sinclair Radionics Ltd.; St.
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 1.375 x 0.875 x 0.75 inch / 35 x 22 x 19 mm
  • Notes
  • A midget transistor design by Sinclair, published in the Practical Wireless magazine, Nov 1958. Construction cost £4. This was the first of several midget radios designed by Sinclair.
  • Mentioned in
  • Practical Wireless, Nov 1958 edition.
  • Author
  • Model page created by Keith Staines. See "Data change" for further contributors.

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