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, October 29, 2019

Earthquaker Devices Tentacle

Had several requests for the Tentacle, but it's just more or less a Dan Armstrong Green Ringer clone. But I had the idea of making a Green Ringer layout with the bypass footswitch board-mounted so we'll just call this layout the Tentacle. Should fit easily in a 1590A. If you'd rather a fabricated PCB to build on, check out the Darkmantle on the store.


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13 comments:

  1. ArielOctober 31, 2019 at 5:46 PM

    Hi, the image to transfer is in the drill templates section. Regards.

    ReplyDelete
  2. ArielNovember 1, 2019 at 2:23 PM

    Verified! It works great, it's the second octave that I do!! I have a request, REVV G4 please! Thank you!!!

    ReplyDelete
  3. VictyNovember 3, 2019 at 6:20 PM

    Any advice to adapt it for bass?

    ReplyDelete
  4. dmitrogenNovember 5, 2019 at 4:28 AM

    Is there a schematic for reference? Thanks in advance!

    ReplyDelete
    Replies
    1. Effects LayoutsNovember 5, 2019 at 9:49 AM

      http://guitar-fx-layouts.42897.x6.nabble.com/file/n34610/EQD_Tentacle_schem.png

      Delete
  5. javipurasSeptember 16, 2020 at 7:19 PM

    best replacement for 2N5089?? thanks for the great work!

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    Replies
    1. Effects LayoutsSeptember 16, 2020 at 8:43 PM

      Anything medium to high gain hFE should be fine. 2N5088, MPSA18, BC549C etc

      Delete
  6. Dave BOctober 25, 2020 at 4:10 AM

    Thank you for the layout! I used it to create a double octave up with selectable Si/Ge clipping diodes in both circuits. Sounds beautiful. In this demo I played an acoustic Martin into a 65 Princeton Reverb: https://youtu.be/1euyGmRCjUA

    ReplyDelete
  7. Miguel Gª SalvadoresMarch 5, 2021 at 5:33 AM

    Hi, noob question, but there's a 47n capacitor in this schematic that is not in the layout. Is it better to omit it and just go ahead with the layout template?? http://guitar-fx-layouts.42897.x6.nabble.com/file/n34610/EQD_Tentacle_schem.png

    Thanks!

    ReplyDelete
  8. Jonathan BröseNovember 9, 2021 at 5:20 PM

    Try BS170 (same position) or 2N5088 (inverted) in Q2. They sound amazing! Q1-Q3 2N3904.

    ReplyDelete
    Replies
    1. Jonathan BröseNovember 9, 2021 at 5:22 PM

      Personally, I prefer the 2N5088. But give it a try!

      Delete
  9. joaquinNovember 19, 2021 at 4:37 PM

    Hi, it's the third time i try to build it, every time with a different pcb, checked everything, and it doesn't work, just no sound, build it with 2n5087, 2n3906, 2n5088, bc549c every possible combination, changed the 100nf next to q1 for a 47nf ad nothing, i don't know what i'm doing wrong, i even tried out one i found in stripboard, and nothing, and it's not my first build, i've built nearly 10 pedals here, all perfect, this pedal hates me :,v

    ReplyDelete
    Replies
    1. UnknownJanuary 4, 2022 at 1:38 PM

      I dare say your transistors could die from static during soldering. Google this moment. I have faced this problem myself

      Delete

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