How do I build a simple band pass filter with fc at say 30kHz?

I want to filter my recorder signal. My fc is about 30 kHz. I know that there are many kinds of filter but I don't know which one would be the simplest. Any help would be appreciated. Thank you.

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Cette question est clôturée.

Question posée :

le 9 Oct 2014

Clôturé :

le 20 Août 2021

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