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A Short Discussion on Summing Busses and Summing Amplifiers By Fred Forssell The summing network in mixing consoles is an easily
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How to Build an Audio Mixer - Circuit Basics
Tape Op | DIY summing mixer schematic help - Message Board
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Eddy Bergman.com: Synthesizer Build part-17: MIXER and PASSIVE ATTENUATOR in one.
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electro-music.com :: View topic - Simple Single Supply CV Summing
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