Simple Microphone Mixer

Posted on Jun 27, 2012

This relatively simple mixer was designed for three dynamic microphones, but can be re-designed for more or less. Level and tone controls are available to tailor the sound to your needs.

Simple Microphone Mixer
Click here to download the full size of the above Circuit.

R1-R3 are level controls. R9 and R11 control bass and treble, respectively. Since the circuit draws such low current, two 9V batteries can be used for a power supply. Building the mixer in a metal case will cut down on noise.

Leave Comment

characters left:

New Circuits



Popular Circuits

Supply Voltage Indicator
Password Based Door Locking
Robot Trains in the Garden motor control circuit
light activated led
car battery charger schematics
Solar powered battery charger using LTC4071
Water Drops circuit
Fluke 8010 / 8012
Light illuminated control circuit
A delay circuit battery