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.
- 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.