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Default pre-amp help needed

First, let me say that I am a hobbyist with limited electronics
knowledge.

I want to be able to record low-frequency sounds. I have a microphone
with a frequency response of 25Hz-15kHz. I need a pre-amp and have
chosen a schematic from several I downloaded.

Is there a way I can modify the pre-amp to ignore sounds over 100Hz?

 
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