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, December 31, 2019

Ibanez MT10 Mostortion

It's New Years Eve and time for the last layout of 2019 and I'm pretty sure it's the 800th on the blog! So here's the Mostortion. Why is it called that? The CA3260E opamp at it's core is MOSFET based. Unfortunately, this chip has been discontinued, so building a straight clone may be a little difficult, but a regular dual opamp like a JRC4558 or TL072 will work just fine as well. It's pretty similar to a TS10, just with a MOSFET chip and 3-band EQ, which is pretty handy. Schematic and more info here. Should be able to squeeze it into a 1590B.


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15 comments:

  1. ZZOYDDecember 31, 2019 at 12:21 PM

    Happy NEW YEAR!

    ReplyDelete
  2. ArielDecember 31, 2019 at 1:14 PM

    Thanks for all the layouts!!! Happy New Year!!!!!

    ReplyDelete
  3. MonjeDecember 31, 2019 at 2:56 PM

    Thanks for your great layouts.
    And a Happy New Year!!

    ReplyDelete
  4. AnonymousDecember 31, 2019 at 5:27 PM

    Thanks David!!!

    And for the rest of us: Q1 and Q2 are 2N5088 (not marked on the layout, but it's in the schematic info... if anybody is wondering)

    ReplyDelete
  5. kramerianJanuary 1, 2020 at 3:15 AM

    Always amazing layout for perfboarder pride!

    Push this with whatever OD you have, first heaven just above your head.

    I wonder if so somebody request SD2Lead. Different Beast!

    Thank to you David, and Kevin Aion.

    ReplyDelete
  6. monasfxJanuary 1, 2020 at 5:18 AM

    Happy 2020! And thanks for this one! For the opamp, check for the CA3260EZ, that one should still be available. Original diodes were MA-165 but there's not much difference in sound when using 1N4148.

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  7. johnkJanuary 16, 2020 at 1:04 PM

    it sounds great and works perfect. VERIFIED.

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  8. monasfxFebruary 9, 2020 at 8:37 AM

    Finally got around etching and building this one. Tried to stayed as close as possible to the original (CA3260E opamp, 2SC1815 for the buffers, MA165 clipping diodes). Haven't AB'd it yet but sounds great already. Thanks again!
    https://monasfx.com/builds/etching/ibanez_mostortion

    ReplyDelete
    Replies
    1. Effects LayoutsFebruary 9, 2020 at 9:34 AM

      That's one of the best looking/cleanest etched boards I've ever seen! Awesome work!

      Delete
    2. monasfxFebruary 9, 2020 at 1:56 PM

      Thanks! It's also the great designs you make, they just print, transfer and etch in a great way.

      Delete
  9. Elijah-BaleyMarch 6, 2020 at 11:27 AM

    Does the CA3260EZ work like the original chip?

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  10. ZeugitaiDecember 11, 2021 at 10:39 AM

    My disk capacitor between tr6 and d5 was fried by a leaking battery. Cant read it or the board around it. What's the value?

    ReplyDelete
  11. KaralamaOctober 11, 2023 at 4:24 PM

    which C and R values control tone stack frequences. I am newbie and would get rid out of tube screamer mid hump. Thanks in advance.

    ReplyDelete

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