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low pass filter for subwoofer

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anit_y

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hello everyone................


i want schematic diagram of low pass filter for a band of 50hz to 500hz.
i am going to use it in subwoofer amplifier at the input side.



waiting for reply
 

You can download FILTERPRO from TI to design the circuit. You can download from the attachment or visit TI website.

**broken link removed**
 

I have never seen Filter- Pro program make a simple but good Sallen and Key second-order filter with two RC values the same or wirh one resistor or capacitor simply double the value of the other one.
 

thanks Audioguru for u r reply.


actually i am weak in hardware, will u able to post detail circuit diagram of second order low pass filter.




waiting for u r reply..............
 

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