• Country
• United States of America (USA)

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

• Year
• 1981

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

• Radiomuseum.org ID
• 336074

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

• Main principle
• Crystal or Solid State Detector

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - only for Earphone!

• Material
• Various materials

• from Radiomuseum.org
• Model: Science Fair Crystal Radio Kit 28-219 - Radio Shack Tandy, Realistic,

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes

• The Radio Shack Science Fair 28-219  Crystal Radio Kit is one of several models of crystal radios produced by Radio Shack under its Science Fair kit label.  The kit is quickly put together with spring-clip terminals.  The earphone is a high impedance crystal type.   The kit was made in Taiwan. Other than the color and model number, this kit is nearly identical to model 28-177.

• Price in first year of sale
• 4.95 US$

• Mentioned in
• 1981 catalog ("available Sept 30"), pg 147

• Literature/Schematics (1)
• schematic is in kit booklet

• Author
• Model page created by Rich Post. See "Data change" for further contributors.

• Other Models

• Here you find 1325 models, 1208 with images and 161 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shack (Tandy, Realistic, Micronta); USA