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Super digital echo stereo mixer circuit projects
https://www.eleccircuit.com/super-stereo-digital-echo-by-kt5211p/
This digital echo stereo mixer project is circuits pioneering in the use of the old echo circuit before using the IC-BBD to the digital system. By …
Echo Mic Circuit Diagram - IOT Wiring Diagram
https://www.176iot.com/echo-mic-circuit-diagram/
Pt2399 basic echo circuit simple voice electronics lab com digital stereo mixer projects effect with ic 4558 preamp board for microphone mic pre amp based lm358 audio circuits dc 12v sound mfos rockit producer processor 3 input multiple controls diagram hobby under repository changer dot gen repeter and schematic wiring kit assembly instructions synthrotek chamber electronic …
Audio Mixer + VU Meter - Schematic Design - Circuit Diagram
https://circuitdiagram.net/audio-mixer-vu-meter.html
The circuit is for one channel input, if you need, for example 5 channel mixer, then you need to build 5 similar circuits. The this audio mixer uses three potensiometers to adjust volume level, low frequency (bass) level and high frequency (treble) level. You may add echo chamber circuit for better voice output.
PT2399 Basic Echo Circuit - Peter Vis
https://www.petervis.com/guitar-circuits/pt2399/basic-echo-circuit.html
The PT2399 basic echo circuit is the one where the delayed output is fed back to the input to produce echoes. Furthermore, the level of attenuation in the feedback loop is set by the repeats control potentiometer. Here we look at some of the features of this circuit and pin functions. After redrawing the basic echo circuit, we can now clearly see that the power is fed through pin 1 …
How to build an audio mixer - Electronic Circuits
https://www.circuitlib.com/index.php/tutorials/product/39-how-to-build-an-audio-mixer
4 Channel Portable Audio Mixer Circuit Diagram
http://www.learningelectronics.net/circuits/4-channel-portable-audio-mixer.html
The mixer is formed assembling three main modules that can be varied in number and/or disposition to suit everyone needs. The three main modules are: Input Amplifier Module: a low noise circuit equipped with a variable voltage-gain (10 - 100) preset, primarily intended as high quality microphone input, also suitable for low-level line input.
Audio Mixer Circuit using LM3900 - circuits-diy.com
https://circuits-diy.com/audio-mixer-circuit-using-lm3900/
Audio Mixer Circuit using LM3900. We need an Audio mixer to amplify different audio inputs with a single amplifier. It is a quadruple Norton operational amplifier with a 14 pins dual inline package, Audio mixer circuit using IC LM3900 is simple and easy to create. The LM3900 provides a broad range of power supply voltages (4.5v to 32v).
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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