This is a library of perfboard and single-sided PCB effect layouts for guitar and bass. I'm not an electrical engineer by any stretch of the imagination, just a DIY'er who likes drawing layouts. It is meant for the hobbyist (so commercial use of any of these layout is not allowed without permission) and as a way to give back to the online DIY community.

Thursday, October 24, 2019

Budda Chakra Compressor

Here's an optical compressor I came across on FSB and hadn't seen a layout of it before. There's some question as to whether the schematic is accurate on FSB, so build with care. The original uses a rectifier array component, but I've broken that down into 4 discrete diodes (1N4148, 1N4001, etc.) since I figure more people will have those on hand than the rectifier component. Should fit nicely in a 1590B. Schematic and more info on FSB.


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21 comments:

  1. ÍcaroOctober 28, 2019 at 11:25 PM


    Any replacement for the lf353p?

    ReplyDelete
  2. JOÃOOctober 31, 2019 at 3:49 PM

    Boa tarde. Quais são os diodos?
    Grato.

    ReplyDelete
    Replies
    1. ÍcaroNovember 1, 2019 at 10:45 PM

      Hello friend, you are not the only Brazilian to visit the page, so even to speed up the response process, speak in English, not Portuguese! The diodes are 1n4148!

      Delete
  3. Joko TrisnantoDecember 11, 2019 at 10:15 AM

    which one LDR & LED type i can use for this PCB?

    ReplyDelete
  4. Sveto389March 5, 2020 at 10:49 AM

    LF353P CAN it be replacet with lf353n?

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    Replies
    1. Effects LayoutsMarch 5, 2020 at 1:39 PM

      Probably. Usually the letters after the numbers are manufacturer specific.

      Delete
  5. UnknownApril 7, 2020 at 11:25 AM

    Collected. Does not work. The LED does not light up. Something is wrong in the original scheme.

    ReplyDelete
  6. Zaraki1337March 3, 2021 at 10:09 PM

    Anyone verified it?

    ReplyDelete
  7. Zaraki1337March 6, 2021 at 1:23 PM

    This comment has been removed by the author.

    ReplyDelete
  8. Zaraki1337March 7, 2021 at 9:41 AM

    This comment has been removed by the author.

    ReplyDelete
  9. Zaraki1337March 8, 2021 at 1:10 PM

    This comment has been removed by the author.

    ReplyDelete
  10. Zaraki1337March 8, 2021 at 11:19 PM

    I did it verified
    But i really dont know what compression is
    And i dont know if attack knob is doing anything or not

    I feel itslike a boost pedal. I just dont know how compression pedal sounds like haha

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    Replies
    1. kramNovember 1, 2021 at 3:09 AM

      Does the LED light up on your build?

      Delete
    2. Zaraki1337November 2, 2021 at 10:07 PM

      Led inside that ldrand led thing?


      I cannot see it.. but compressor does work


      Im not syre abou attack but otherworks

      Delete
  11. Zaraki1337August 15, 2021 at 5:24 PM

    I made 2 pedals
    U can mark it as verified

    ReplyDelete
    Replies
    1. kramNovember 26, 2021 at 9:37 PM

      is the order of the diodes correct? mine's working, but I can't hear it 'compressing' and it has a slight overdrive when the gain is about 75%. Does the LED on your build light up? TIA!

      Delete
  12. BradsApril 16, 2022 at 8:36 AM

    Is there any update on this one? Can anybody get the LED lighting up?

    ReplyDelete

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