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3 Channel Audio Mixer Circuit - ElectroSchematics.com
https://www.electroschematics.com/3-channel-audio-mixer/
3 Channel Audio Mixer Circuit Received by Email This audio mixer circuit uses an LM3900 IC but is not a profesional audio dj mixer. The IC houses …
4 Simple Audio Mixer Circuits diagram using FET and ICs ...
https://www.eleccircuit.com/simple-audio-mixer-circuit-with-fet-2n3819/
Three Channel Audio Mixer Circuit - EEWeb
https://www.eeweb.com/three-channel-audio-mixer-circuit/
Three Channel Audio Mixer Circuit. Posted Saturday, April 20, 2013. Although the modular Portable Mixer design available on these web pages has become a hit for many amateurs, some correspondents required a much simpler device, mainly for mixing mono signals. This design should fulfil their needs, featuring three inputs with switchable high/low sensitivity …
Audio Circuit Mixer: 5 Ways of Building an Audio Mixer
https://www.wellpcb.com/audio-circuit-mixer.html
You can use a 3-channel microphone amplifier circuit to make a mixer with a microphone. Also, it is cost-effective since you won’t have to use four pieces of IC—741 ICs. Instead, you’ll use a single IC LM348. Further, you freely adjust each microphone’s volume via VR3, VR3, or VR1.
Build an Audio Mixer - Projects - All About Circuits
https://www.allaboutcircuits.com/projects/build-an-audio-mixer/
The full output of the mixer circuit is Vout = -Rf(V1/R1 + V2/R2 + V3/R3 . . . + Vn/Rn). Thus, by making RF larger the gain can be increased. The other option is to make the resistor in the channel(s) smaller, but you are already using a potentiometer that can become very small, thus increasing the size of Rf is a better choice.
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