The simple audio mixer circuit is built on common base principle, where input voltages are transformed in alternative currents wich are summed to form the alternative current component for the ...

Diagram 1.0 shows the 3-channel sound mixer circuit using three Norton-opamps. The input levels can be set by potentiometers P1 or P3. Furthermore, each input level can be trimmed with the help of ...

Now we've got a simple audio mixer that'll keep the inputs from driving each other, and get the audio out from two sources to your speakers or headphones on demand. Again, ...