Mixer Circuit Diagram. An astonishing feature of this design lies in the fact that a complete stereo mixer as shown below in the block diagram draws less than 6ma current. The power supply and audio power amplifier circuits are shown in figs 3 and 4 respectively.
Circuit diagram this supplemental material will go over the whole system and show you a general landscape of the mixer you are going to build. R2 22k 1 4w resistor. R4 47k 1 4w resistor.
In some instances the different ports to the mixer will be suitably labelled.
Audio schematics mixer circuits. The mic inputs are suitable for low impedance 200 1000r dynamic microphones. 1 shows the block diagram of the audio mixing system along with the audio power amplifier while the circuit of the audio mixer along with a tone controller is shown in fig. The input levels can be set by potentiometers p1 or p3.
