Great of value Q for equalizer

Hi all, I am new members here, and still learning about electronic circuit. I have plan to making a equalizer with 24 channels stereo (24 channels/mono). So I have problem dan confused to determine for value of "Q". Can u give me a suggests, what is the better value of "Q ' at +-10db for my equalizer? Or u have suggest a schematics for my project. Thanks a lot.🙂
 
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