Hi! I got a an 2.1 amplifier that uses 4 ne5532's for the EQ. The sound is really great, but I have one problem. I want to cut off the lowest frequencies (0- 40hz) with an adjustable high pass filter. The amplifier sends really low frequencies to my mid ranges, while my sub is working really hard when it gets really low frequencies. Is it possible to build a high pass filter using NE5532's?
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