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, April 10, 2020

JSA MUR Fuzz

This week for Fuzz Friday here's another design from JSA. It's a Fuzz Face variant, with additional controls and an additional gain stage at the end. Should squeeze into a 1590B.

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7 comments:

  1. ZZOYDApril 10, 2020 at 12:44 PM

    i was waiting for the fuzz friday! Thank you, David. Have no enough pots to do something =(

    ReplyDelete
  2. WayneApril 11, 2020 at 10:06 AM

    Dear David,

    What do you think about Doooouble Red Llama mode:

    https://www.youtube.com/watch?v=OWypsrq95SI

    I think, its awesome. Can u create post about it?

    Thanks

    ReplyDelete
  3. ZZOYDApril 13, 2020 at 8:54 AM

    verified!

    ReplyDelete
  4. ZZOYDApril 13, 2020 at 12:37 PM

    Used Q1,Q3 hfe= 135, Q2=300, working good, But left Q1,Q2 hfe=300, Q3-any.Resistor feedback i changed from 100k to 10k

    ReplyDelete
  5. Lucas1448June 3, 2020 at 10:47 AM

    What would be a good replace for the bc109? Thanks for the good work

    ReplyDelete
    Replies
    1. ZZOYDJune 22, 2020 at 9:04 AM

      Take 2n2222, 2n2934 for q1,q2/ for q3 - any npn!

      Delete
  6. Elijah-BaleyJune 22, 2020 at 5:04 AM

    Could we have the schematic of this, please?

    ReplyDelete

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