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, July 29, 2016

Death by Audio Fuzz War II

Here's the newer 4 transistor version of the Fuzz War for Fuzz Friday. Apparently the boys at DBA thought a modified Big Muff was a better circuit. Much like the Supa Tonebender, the first gain stage lacks clipping diodes, and (unlike the Supa Tonebender) the second gain stage has modified the clipping from the original BMP.


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27 comments:

  1. UnknownJuly 29, 2016 at 10:09 AM

    Will build it soon. Is this version from fuzzdog?

    ReplyDelete
    Replies
    1. Effects LayoutsJuly 29, 2016 at 10:14 AM

      I believe his Fuzz War project is also based on this version of the Fuzz War. Don't know if he made any changes though. This follows the schematic traced on FSB.

      Delete
  2. UnknownJuly 30, 2016 at 5:49 AM

    Where I can find the PDF for it?

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    Replies
    1. Effects LayoutsAugust 1, 2016 at 11:40 AM

      It's in the same PDF as the other Fuzz War layout

      Delete
  3. plushSeptember 26, 2016 at 11:19 AM

    I'm an idiot. I've just noticed a fair ammount of rosin between the tracks, which I cleared using a mixture of acetone and kerosine based solvent. After this the overall volume raised about 5-10db, but I thought that was not enough and I swapped the diodes cause I they seemed faulty.
    Now i have a fuzz war clone that is very close to the original one. The only thing that bugs me is the diodes, i still think that dba used 1n34a-g (those with green stripe, which i don't have), since they sound a bit different than typical 1n34a (with a black stripe).

    Anyway, thank you for the layout. I'll continue experimenting with it.

    p.s. sorry for my english

    ReplyDelete
  4. fidel rodriguezNovember 14, 2016 at 3:29 PM

    what value for D1 and D2?

    ReplyDelete
    Replies
    1. tuyetvooiOctober 16, 2017 at 6:00 PM

      The same in here. It'd be nice if some one could let us know what specific values od D1 and 2 match to this board. Many thanks.

      Delete
    2. tuyetvooiOctober 16, 2017 at 6:14 PM

      Edit: I think 1N34a might be the ones. But they are obviously hard to find.

      Delete
  5. Topaz Art GalleryDecember 8, 2016 at 11:45 AM

    Hello, so is there a way i could limit the level output?? The unity level is at like 9 oclock...!

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    Replies
    1. Effects LayoutsDecember 8, 2016 at 11:59 AM

      Yeah it's a loud one. Try lowering the value of the volume pot to like 50k and see if that does anything for you. The max output would still be the same, but the unity level would probably be closer to noon. Or you could wire a resistor (I'd probably start around 20k and adjust or use a trim pot) from the Out pad to the footswitch. That would limit the overall output.

      Delete
  6. NathanDecember 24, 2016 at 1:43 AM

    Whats the difference between Fuzz War and Fuzz War II? I see the germanium transistors are missing, but is there a sound difference or its just the fun of using germanium transistors? Thanks.

    ReplyDelete
  7. IvMJanuary 4, 2017 at 11:39 PM

    Working on! thanks!

    ReplyDelete
  8. IvMApril 12, 2017 at 9:14 PM

    Sounds great!
    Too much fuzz here.

    Is normal that with gain knob at min, ear a low volume background fuzz sound?

    ReplyDelete
  9. UnknownAugust 11, 2017 at 11:42 AM

    hi; i'm having an issue, with everything crancked i hear a high pitched squeal, if i dime the tone knob to te bass side, it stops, someone knows something about this? ;-;

    ReplyDelete
    Replies
    1. MikeJanuary 25, 2020 at 7:35 PM

      This comment has been removed by the author.

      Delete
  10. rraymmarquezAugust 29, 2017 at 5:38 PM

    hi, good fuzz, but i feel like mine lacks gain, y feels like an overdrive, anybody has this problem?

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    Replies
    1. sapedalsApril 16, 2020 at 4:18 PM

      Hey man i know this post is ancient but did you solve the problem?I have the same problem.

      Delete
  11. RockcadeNovember 9, 2017 at 1:31 AM

    sound demo?? Does it sound like the original?

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  12. RockcadeDecember 3, 2017 at 12:48 AM


    I have a problem with the volume pot is very sensitive if I move it little the volume increase is much
    Any idea what's wrong?

    ReplyDelete
  13. RodrigoMay 15, 2018 at 5:51 PM

    ESQUEM PLEASE...

    ReplyDelete
  14. HolaOctober 29, 2019 at 11:24 AM

    This comment has been removed by the author.

    ReplyDelete
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    1. HolaOctober 29, 2019 at 11:44 AM

      This comment has been removed by the author.

      Delete
  15. MikeJanuary 25, 2020 at 7:39 PM

    Hello guys,

    As I responed in one of the comments I have a problem with high pitched squeal. When tone knob is in a different position than 0 I hear high pitched squeal when I touch the strings. When the knob is set to 0 then fuzz war sounds fine. Do you have any ideas what I messed? I see that I am not the only one with this issue.

    Thanks a lot.

    ReplyDelete
    Replies
    1. MikeJanuary 26, 2020 at 1:51 PM

      Problem solved. I was in a rush and switched ground with tip :D It works fine now.

      Delete
  16. basquepunkAugust 15, 2024 at 5:40 AM

    Hi:
    If I want no diodes, do I have to short that part of the circuit or is it enough if I don't install the diodes?
    Thank you!

    ReplyDelete
    Replies
    1. Effects LayoutsAugust 15, 2024 at 9:30 AM

      You can just leave them out. And leave out that 43k resistor and 100n cap on either side of the diodes as well.

      Delete

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