10 Band Audio Equalizer

Posted on Aug 28, 2012

This circuit allows you to equlize the audio signals in ten band. It uses low cost op-amps to form a professional equalizer circuit. The heart of the design is a classical band-pass active filter. The U11 acts as an attenuator to prepare the signal level for equlizing.

10 Band Audio Equalizer
Click here to download the full size of the above Circuit.

The U13 acts as a final voltage amplifier to deliver the equlized audio signals to the next stage. The VCC is in range of +12 ~ +15 VDC and The VDD is in range of -12 ~ -15 VDC respectively.

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