Balanced Mixer - an overview | ScienceDirect Topics
Channel Mixing Resistors
operational amplifier - Building a matrix audio mixer - Electrical Engineering Stack Exchange
Virtual earth summing with transformer | GroupDIY Audio Forum
audio mixer circuit Page 2 : Audio Circuits :: Next.gr
First Transistorised Console
simple JFET "adder" idea seems to work.... your thoughts?
virtual earth mixer NE5534 problem | diyAudio
Have I done something wrong with the TL072 virtual earth mixer? It does basically nothing for the oscillator interaction but decreases the overall output of the circuit. : r/synthdiy
very very simple DJ mixer aka summing amp? | Page 2 | diyAudio
File:Virtual Ground Active Mixer.jpg - Wikipedia
Channel Mixing Resistors
common-base virtual earth mixer | Elektor Magazine
Inverting Operational Amplifier (Op-amp): Circuit Design, Configuration, Gain & Practical Examples
amplifier - Audio Mixing Circuit - Electrical Engineering Stack Exchange
Virtual Earth Summing Questions | GroupDIY Audio Forum
Help for Virtual Earth Mixer project | diyAudio
Op Amp Summing Amplifier: Virtual Earth Mixer » Electronics Notes
Audio Signal Mixing
Op Amp Summing Amplifier | Operational Amplifier Virtual Earth Mixer-哔哩哔哩
Op Amp Summing Amplifier: Virtual Earth Mixer » Electronics Notes
One Transistor Audio Mixer
Op Amp Summing Amplifier | Operational Amplifier Virtual Earth Mixer - YouTube
Audio Mixing Console - Part 2
Op Amp Summing Amplifier: Virtual Earth Mixer » Electronics Notes
virtual earth mixer NE5534 problem | diyAudio
Op Amp Summing Amplifier: Virtual Earth Mixer » Electronics Notes
Universal Preamp/ Mixer (Part 2)
