Make Simple -18dB Third Order Subwoofer Lowpass Filter Using PT2351 chip

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Hello bro, In this project I want to make a simple active lowpass filter for subwoofer using PT2351 chip.
This lowpass filter run in third order with -18dB /oct slope, it means that the resulting signal curve is very deep and only produces a small amount of mid-bass frequency.
The cut freq can be adjust by choosing the C1,C2 value according to the description displayed on the pcb.
This Third Order Subwoofer Lowpass Filter need 8-12V DC power supply.
Please check the video on Barlex Respectaizer Youtube Channel

If you need you can download gerber file or easy order on pcbway :
https://www.pcbway.com/project/sharep...

Tempat saya beli PCB Holder disini : https://tokopedia.link/Uypl44oS6tb
Solder yang saya pakai : https://tokopedia.link/2lHlvcMS6tb

Beli pcb langsung dari kami :
Tokopedia Barlex Audio

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