DIY: Build Your Own Condenser Microphone

If we told you that you could build your own omnidirectional condenser microphone for less than $8 in under 3 minutes you might not believe me. But you can!

This Electret omnidirectional condenser microphone has a wide 30–15,000 Hz frequency response. You can build your own for less than $8 and in about 3 minutes. It will be a decent microphone. The same type used in many common electronics… and for the price and labor it really can’t be beat!

 

Parts List *prices taken from Radio Shack Online:

  • Electret Microphone Element with Leads – $3.99
  • 1 x 0.1uF 50V Hi-Q Ceramic Disc Capacitor (2-Pack) – $2.49
  • 1 x 2.2K ohms 1/2W 5% Carbon Film Resistor (5-Pack) – $1.49
  • Various connect wires.

Tools List

  • 9V Battery with cap and connectors (*switch optional)
    • Note about the battery. Most Electret microphones can handle between 4 and 10 volts, make sure to double-check the specs on yours before you start.
  • Bread Board (also optional if you have alligator connector wires)
  • Amp (Learn how to build your own here)

Full Tutorial & Article : Ask.Audio/DIYmic

This is an excerpt of my article on Ask.Audio. Copied here with permission.

Watch the Demo

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Author: Joshua Casper

Joshua Casper is an Artist, Musician, and Blogger.

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