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.

Tuesday, January 23, 2018

Earthquaker Devices Westwood

For the blog's 600th layout, here's a new one that didn't take long to get traced. Here's EQD's newest offering, the Westwood Translucent Drive Manipulator. Great for pushing your amp and giving a near clean boost. It features an active 2-band EQ and sounds great on bass as well as guitar.


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27 comments:

  1. PeteJanuary 23, 2018 at 9:34 AM

    Congrats on #600!!! I appreciate your efforts!

    ReplyDelete
  2. Grupo16_IySJanuary 23, 2018 at 11:13 AM

    Excellent! Can i request Schematic please? (I googled ir but with no luck)

    ReplyDelete
  3. ROY ElectronicsJanuary 23, 2018 at 2:05 PM

    Congrats man! your blog is a reference for me!

    ReplyDelete
  4. BerkicauJanuary 23, 2018 at 2:59 PM

    congrats for your 600th layout pal
    any opamp to replace IC?

    ReplyDelete
  5. morbido13January 24, 2018 at 8:28 PM

    Congrats!
    Your blog is the best, keep up the good work

    ReplyDelete
  6. UnknownJanuary 27, 2018 at 10:22 AM

    wonderfull sound! Verified ;)

    ReplyDelete
  7. UnknownJune 28, 2018 at 9:18 PM

    For some reason gain pot doesn't do anything for me. The pedal works, and it sounds awesome, but gain seems to be maxed no, matter where gain pot is at. Any hints/pointers where to start looking at?

    ReplyDelete
    Replies
    1. Effects LayoutsJune 30, 2018 at 11:53 AM

      Sounds like you might have a short or a bad pot...

      Delete
  8. Goliat FXAugust 10, 2018 at 11:09 PM

    Hi there, just one thing... that big 1uf seems to be a non-polarized one... which suits best here? electrolythic, metalfilm? thanks in advance!

    ReplyDelete
    Replies
    1. Effects LayoutsAugust 11, 2018 at 2:28 PM

      Probably film. One of the grey box film caps from Tayda will fit perfectly in there.

      Delete
  9. UnknownAugust 11, 2018 at 12:58 PM

    can i use 2n5088s?

    ReplyDelete
  10. UnknownAugust 23, 2018 at 8:14 PM

    I built one and it sounds great, but the second one i've built has little volume and I have no idea what could be the problem

    ReplyDelete
  11. Muumi6November 9, 2018 at 9:43 AM

    I build this and otherwise it works great but little dark sounding ant the treble doesn't effect so much. Anyone else have this kind of problems?

    ReplyDelete
  12. L.robertNovember 24, 2018 at 6:16 AM

    I've got the same problem! Seems like the treble pot works only at the second half! Can't hear any treble cut! Does anyone has a solution?

    ReplyDelete
  13. aptalfunkNovember 24, 2019 at 9:38 AM

    Would it be okay to use 4007 instead of 5817?
    I appreciate your hardwork, thank you so much!

    ReplyDelete
  14. aptalfunkNovember 24, 2019 at 9:44 AM

    Also, any alternative for the transistors?

    ReplyDelete
    Replies
    1. Effects LayoutsNovember 24, 2019 at 4:11 PM

      Any high gain silcon NPNs should be fine. Just compare datasheets.

      Delete
    2. aptalfunkNovember 25, 2019 at 1:25 AM

      thanks a lot! you're the best

      Delete
  15. UnknownApril 2, 2020 at 2:05 PM

    What's the best way to lower the range of the drive control? Would I just lower the value of the pot? I like the minimum drive but only ever go up to about 50% of the sweep of the pot. Does the 4.7K resistor on lug 1 set the minimum drive? Thank you.

    ReplyDelete
    Replies
    1. Effects LayoutsApril 2, 2020 at 3:22 PM

      Minimun drive is set by that 4.7k resistor. Try using a A250k or A500k pot to lower the max gain.

      Delete
  16. MaisiAugust 9, 2020 at 5:28 PM

    Done. Amazing sound...

    ReplyDelete

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