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Old 1st August 2013, 09:25 PM   #1
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Default Looking to build stereo mixer but can't find many schematics!

Hi folks, I am looking to build a 3-4 channel stereo mixer for home use. It does not need any tone controls, headphone amp etc just very simply level per channel and master level controls.

Anyone have any decent schematics for such a thing? Thanks
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Old 2nd August 2013, 05:19 AM   #2
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Mixer can be built by using NE5532 as a buffer at the input and one laler as an adder.

ne5532 mixer - Google Search

Gajanan Phadte
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Old 2nd August 2013, 10:30 AM   #3
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Thanks for the swift reply! Some of the schematics in that search look like just what I need. Particularly Im interested in this one:

http://www.next.gr/audio/mixers/four...er-l12505.html


The only thing is there is no master output volume control. Do you know what value pot would be best at the output of this schematic? Thanks again!
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Old 2nd August 2013, 10:38 AM   #4
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I can't get the shematic to open but a master volume control is nothing more than a volume control after the mixing has occurred. It can be before the final buffer or just on the output of the mixer.
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Old 2nd August 2013, 11:49 AM   #5
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Thanks again, maybe this link will work for you?:

http://www.next.gr/uploads/135-8995.png


I was planning on just putting the pot on the output of the whole mixer, but I am unsure what value of pot to use? I dont want to buy too many values to try as the output pot will be dual-gang and they are expensive.
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