• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Shack (Tandy, Realistic, Micronta); USA

• Year
• 1975 ??

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 257356

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

• Number of Transistors
• 2

• Semiconductors

• Main principle
• Crystal or Solid State Detector with Amplifer

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Science Fair - Two-Transistor AM Radio Kit 28-229 - Radio Shack Tandy, Realistic,

• Shape
• Tablemodel, with any shape - general.

• Notes

• This is a crystal set (using a diode as a detector) with a 2 stage audio amplifier.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 1292 models, 1173 with images and 112 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shack (Tandy, Realistic, Micronta); USA