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Simple transistors Low Pass filter

If you want a simple low pass filter circuit that will output only low audio frequencies for you, then this is it! The circuit is a simple transistors low pass filter that you can construct and use for your subwoofer project.

This is simple transistors low pass filter circuit which produces low (bass) audio frequencies from the range of 20Hz to 150Hz.
You only need few components to construct this simple circuit. The components can be obtained from your panel junk box. Below are components you will need for this project.



Components Values

Below are  the components values of the circuit

  • C1 and C2=10µF
  • C3=47µF
  • C4=100µF
  • C5=220µF
  • R1=3.3KΩ
  • R2 and R5=3.3K
  • R3 and R6=22Ω
  • R4=2.2KΩ
  • Transistor C2383x2


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