Subwoofer Filter with LM741

The acoustics of converting a filter, near are many aspects of the financially viable possibility of the further famous are Baxandal filter low frequency ( Subwoofer ) filters and crossover Acoustic area is transformed into Suwboofer, so with the purpose of the Subwoofer Speakers. Applications, we serve a filter, the limits of frequency to transform acoustic (20-20000Hz) , And the subwoofer frequency is 20-100Hz.

The make signs on behalf of a head high pass filter C1, C2, P1, which is undesirable level DC input. A lowpass filter consisting of R3, R4, C3 prevents frequencies on top of 10 kHz, which look after not benefit from this design, and it would come about so as to the instability and clatter. The precipitate amp invert make signs.

The low frequency of the amplifier signals extend to a next low-pass filter subwoofer to prevent the frequency from the speakers. 

I unambiguous, a second order, because this box with a bunged place bring out. If you give birth to a circuit with a valve coordination, and therefore simply close the Wind (Roll a pair off of socks and pick by the docks / Wind), this preference bequeath you a sealed box as a replacement for.