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Old 7th February 2010, 06:49 PM   #1
laki101 is offline laki101  Serbia
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Default 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
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Old 10th February 2010, 05:26 PM   #2
Glowbug is offline Glowbug  United States
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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.
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Old 10th February 2010, 10:11 PM   #3
Xoc1 is offline Xoc1  United Kingdom
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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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