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Shotgun Microphone Project (Downloadable Plans)

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Product Description

Build Your Own
Shotgun Microphone
also shows a Stethescopic Sound and Vibration Detector for listening through walls, etc.

Experimental device, when properly constructed allows sounds to be heard from greater distances, pick out whispers in a crowd, even faintly through windows at close range, etc.

  • Uses 36 Tuned Tubes
  • Battery Operated
  • Built In Voice Filter
  • Includes Our HGA90 High Gain Amp With Headsets
  • Tripod not included
These are downloadable plans, requiring parts and assembly.

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