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Subwoofer Low Pass Filter IC UA741


This is the simplest Subwoofer Low Pass filter Circuit using uA741 single op amp ic. The
circuit is very low cost with respect to their work. The cut off frequency of this circuit is 25Hz to 80Hz maximum. Using this circuit , you can easily design a 2.1 Sub-woofer Speaker System at your own Home. The circuit contains very few components.The cost of this circuit with PCB is Rs:45 The same circuit is working in my own hand made sub-woofer system. For power amplifier you can using this OCL subwoofer using 2N3055,  Suboower amplifier 40W, Simple 100W subwoofer amplifier
Subwoofer Low Pass Filter IC UA741CIRCUIT DIAGRAM

Parts List:

R1,R3,R4 = 10K 1/4W
R2=100K 1/4W
CY1,CY2 = 0.22uF Polyester
C1,C2 = 10uF/25V Electrolytic
IC1 = uA741A Single Op-Amp Ic + 8 Pin Ic Socket
3 Pin Male & Female Connector x 2
2 Pin Male & Female Connector x 1
PCB as in required size 4.5 cm x 3.4 cm

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