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Complete Subwoofer Filter Circuit TL072

By Electronics Hobbyist 13 comments
Here is my experience in designing and building a subwoofer. And I share my other project subwoofer filter but using IC 4558, Subwoofer Module 4558.
in this subwoofer filter, first at important parts is the active circuit filter 40 Hz, 12dB / Octave slope with a dual-ic opamp TL072 and several other passive components. The circuit details are as follows:

Complete Subwoofer Filter Circuit TL072

 The subwoofer filter frequency response is as follows:

subwoofer filter frequency

The PCB design and its layout:

pcb design and its layout

13 comments for "Complete Subwoofer Filter Circuit TL072"

  1. andaSunday, February 26, 2017

    Hi. Nice job here Wahyu with all your posts. Do you have an active High Pass and Low Pass filter for a 2.1 system?

    thanks,
    Adrian

    ReplyDelete
    Replies
    1. Electronics HobbyistTuesday, February 28, 2017

      Hello andrian.

      Do you search for 2.1 speaker system? You can find here about low and high pass filter. You can combine it into your 1 amplifier for subwoofer and 2 amplifier circuit for mid and high tone.

      Delete
  2. UnknownTuesday, March 07, 2017

    Hi, I'd like to use this circuit, but with a 60Hz cut-off frequency. Could you tell me which components I'd need to change to do so? The 33K resistors and the 100microF cap?

    ReplyDelete
  3. Electronics HobbyistWednesday, March 08, 2017

    100 microF its so bigger. Change with 50uF it can. The resistor for gaining the bass.

    ReplyDelete
  4. UnknownSaturday, April 08, 2017

    Hi, I cannot receive output signal, but if I remove the 33k input resistor or remove the 1uf output capacitor,I can receive broken signal. What is your suggestions?
    Thanks,
    Burak

    ReplyDelete
    Replies
    1. Electronic CircuitSunday, April 30, 2017

      try to remove connection on pin 5 IC , and then jumper the pin5 in to ground.

      Delete
  5. smart boosterFriday, August 11, 2017

    is it work or not, brother?.
    have you test this circuit?.
    thanks before... :p

    ReplyDelete
  6. AnonymousWednesday, June 27, 2018

    is zener diode important?

    ReplyDelete
  7. UnknownMonday, July 09, 2018

    Hyyy pcb size????

    ReplyDelete
  8. UnknownThursday, August 23, 2018

    Where can I buy assembled board PL reply soon I am from india

    ReplyDelete
  9. UnknownMonday, August 27, 2018

    sir i want npn npn taransister audio circuit power100 watt

    ReplyDelete
  10. [email protected]Saturday, July 04, 2020

    Nuwonsewu mas,, kulo tumut damel njih..?

    ReplyDelete
  11. AnonymousThursday, January 05, 2023

    Sir the output is very low what to do

    ReplyDelete

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