how to make a first or second order low-pass filter? You will see and hear this! building speakers

how to make a first or second order low-pass filter? In this video, you will see and hear how the various components affect the sound and the cutoff of the crossover frequencies. I'll show you some first order filters and some second order filters. I hope this video was useful to you. Show it to your friends who are fond of building acoustic speakers with their own hands. write your comments.