Audio Circuit Mixer: 5 Ways of Building an Audio Mixer
Simple audio mixer
TL072 mixer single powered (question) - DIY STUFF - Look Mum No Computer Thingies
3 Channel Audio Mixer Circuit
Build an Audio Mixer - Projects
Muti-channel audio mixer circuit based on LM3900 IC. Four channels.
Build an Audio Mixer - Projects
Microphone Mixer Circuit
transistors - Got audio mixer circuit with lot of noise. Using two different circuits with same output and noise - Electrical Engineering Stack Exchange
Audio Mixer with Multiple Controls | Full Circuit Diagram Available