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.

Friday, February 27, 2015

EarthQuaker Devices White Light

The White Light is based on the MXR Distortion +/DOD 250 circuit, but with some modernization and improvements. There's an added tone control called "Weight" and the toggle switch adds compression by adding an extra germanium clipping stage. The board is laid out for solder-side mounted right angle PCB pots or you could use long leg right angle PCB pots and mount them from the component side of the board.



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15 comments:

  1. AnonymousMarch 1, 2015 at 2:24 PM

    Hi, what software do you use for make the layout? maybe i will make the DAM sonic titan with pcb onboard pot :D, thanks for your answer.

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    1. dtgehringMarch 1, 2015 at 3:02 PM

      I use DIYLC mostly and edit them some in Photoshop.

      Delete
    2. UnknownAugust 9, 2015 at 12:34 AM


      Hello, you can check the layaut ?, I think not working. Greetings from Argentina.

      Delete
  2. dtgehringAugust 10, 2015 at 10:37 AM

    Double checked the layout. There were conflicting schematics on FSB, but I updated the layout based off a verified vero layout from John K. Should be good to go now.

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    1. José EtzaelMarch 9, 2017 at 12:51 PM

      Hi!!! Do you have the link or image of the vero layout??? I have a bunch of veroboards :O
      Great Site by the way, i´ve already build the Bassman Preamp, Shien Fy-2, Deep Blue Delay, Suhr riot, Russian Bif Muff, etc... Keep going that way, and another question, what kind of transistors do you sell???
      Greetings from Mexico :D

      Delete
  3. UnknownAugust 11, 2015 at 12:51 AM

    Hello, yesterday revising found the error and could repair . It works ! thanks for the work and blog. Greetings!

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    1. FacundoMay 5, 2018 at 1:36 PM

      Hola! Cuál es el error? El mío no funciona...

      Delete
  4. retiredbodymanNovember 15, 2015 at 9:41 PM

    Awesome site!! Thanks!!

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  5. Anibal BáezJuly 19, 2018 at 10:45 AM

    This comment has been removed by the author.

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  6. Anibal BáezJuly 19, 2018 at 10:47 AM

    Hi everyone!. According to the schematic found in fsb, there are a couple of errors in layout (perfboard not verfied). The 1k resistor should be connected: one side to 100 p and the other side to 4,7u (perf its fine tho), so i've cut the trace in the middle. And the 100p should go between pin 1 and 2 of LM833. For me it sound so good now. I Hope it helped (i'm sorry for my bad english). Greetings.

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  7. JimileeAugust 8, 2021 at 8:08 PM

    After I cut the trace under the 1k, I was still getting noise, like oscillating. I moved the 100p to between pin one and two but it was still there. I removed the 100p and it went away. Works great now.

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  8. Hélio JrAugust 11, 2021 at 12:31 PM

    Hello, how to bind spdt swhich? do we connect the 9v+ in the center of the spdt and the pins in the corners on the board?

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    1. Hélio JrAugust 11, 2021 at 12:35 PM

      sorry, i mean the 9v-, I plug in the center pin?

      Delete
  9. MXFXMarch 11, 2022 at 2:14 PM

    Pin 1 should be connected to the side of 1k going to the gain pot, not 4,7uF. I built it on perfboard and at first it was very noisy and oscillating when turning the gain pot. Now it works. Just cut the lead between pin 1 and 1k and connect it to the other side of 1k.

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  10. Fx_adiksApril 27, 2023 at 4:13 AM

    Update diagram plz

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