Equalizer and tone control circuit used in Dj mixer

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This schematic is of 9 band EQ with tone control which is used in dj mixers.Because of 9 band used in eq specific freq boost and cut can be achieved.It requires dual power supply +/-12v for its operation.If you dont want to use mc3307d ic,you can replace it with ic Ne5532 or TL072.
 

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