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.

Monday, May 8, 2017

Black Arts Toneworks Black Forest

This is Black Arts' take on the Colorsound Overdriver. There are a few component value changes and 6 different caps on a 2 pole, 6 position rotary switch at the input. It's got a wide range of tones, and goes from boost to overdrive to fuzz. It's laid out for board mounted pots and would fit in a 1590B if it weren't for the rotary. If you wanted to skip the rotary and just use one input cap, just populate the capacitor you want and jumper its corresponding pad to the SwA pad.


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12 comments:

  1. UnknownMay 16, 2017 at 12:01 PM

    Can BC109C be replaced with BC109B?

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    Replies
    1. Effects LayoutsMay 16, 2017 at 12:15 PM

      You could, though the B version is lower gain than the C. You're better off substituting the BC109C with BC549C or BC550C.

      Delete
    2. UnknownMay 16, 2017 at 1:02 PM

      Thanks! I found BC550C in my local storage.

      Delete
    3. UnknownJune 3, 2017 at 10:57 AM

      I've tried replacing BC109C with BC550C. Is it normal, that sound is fuzzy only when gain pot is max?

      Delete
  2. HumanJuly 14, 2017 at 5:51 AM

    Verified!

    ReplyDelete
  3. ArielDecember 12, 2018 at 9:33 PM

    Hello, I built it last year but the gain control does not work well, there is only sound with the potentiometer to the maximum, I changed the potentiometer but the problem continues, today build another one with a new pcb, new components and I find myself with the same problem , there is only gain with the potentiometer to the maximum.

    ReplyDelete
    Replies
    1. Effects LayoutsDecember 13, 2018 at 9:04 AM

      Maybe try a reverse log pot and/or a higher value pot.

      Delete
    2. ArielDecember 13, 2018 at 4:09 PM

      Hello! A moment ago I tried potentiometers of C50K and C100K but there are no changes. the margin widened very little, there is only gain the last 5% of the way

      Delete
  4. UnknownJanuary 13, 2019 at 10:23 AM

    On the Tagboard page they replaced this pot with a C10K and say it works perfectly now.

    ReplyDelete
    Replies
    1. ArielFebruary 3, 2019 at 8:45 PM

      cool! I'm going to see if I can get one, nobody sells them here

      Delete
  5. ZZOYDJanuary 4, 2020 at 3:54 PM

    read this https://effectslayouts.blogspot.com/2015/04/colorsound-overdriver.html#comment-form
    drive should be b1k!

    ReplyDelete
  6. ZZOYDJanuary 5, 2020 at 5:05 AM

    i used Q1=450 hfe, Q2=600 hfe, & i got very hard sound with b1k for the drive. Today i tried Q1=170,Q2=280, b10k for drive - sound more soft & better, like on that demo https://www.youtube.com/watch?v=ZZUpygDKbHM&feature=emb_logo

    ReplyDelete

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