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laki101 7th February 2010 07:49 PM

simple 2 way mixer
making my first amp using 2 lm3886 and I was wondering how dificult would it be to make a 2 input mixer so just that I can use 2 cd players (for exaple) and have the volume control for both
Could it work just by using 2 potentiometers at the audio in and have one source go to the first potentiometer and the second source to the second potentiometer

Glowbug 10th February 2010 06:26 PM

It would probably be a lot more cost-effective to find a DJ mixer, sounds like it'd be perfect for what you want to do :) Individual channel levels, crossfading, etc.

Xoc1 10th February 2010 11:11 PM

Try an intenet search for "virtual earth Mixer"
In its simplest form this consists of a single op amp stage per channel. The signals are connected to the inverting input though separate resistors.
Try This link
Universal Preamp/ Mixer (Part 2):)

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