Sunday, 23 March 2025

Mr Black JDS-50 Overdrive

 Schematic is avaiable HERE.




14 comments:

  1. layout works as is, i only changed the 10nf to 4.7nf according to the schematic, cheers!

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    1. Thanks Fremar, you are on a roll!

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    2. i respect your work a lot , so i like to give something back for all the nice layouts i made because of this website!

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  2. I heard one of these running at 18v yesterday, sounds pretty damn good! plenty of headroom?

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    1. was that a build with a LTC1144 build in or just 18v adapter and high enough rated components (50v) ? it's not a bad overdrive this one

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    2. I haven’t seen what’s under the hood, but the power jack is marked 9v/18v on the original pedal?

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    3. its always possible to add a 9v/18v chargepump on a swich,thx

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    4. I built this. Seems pretty low gain and lackluster. Is it just me? I would imagine more voltage turning into a Ts-9.

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    5. i built it just to help out , so had to look it up to test it. its a nice overdrive, its not a distortion so no full blown distortion, but it is very good for overdrive, the layout checks out compared to the schematic ( checked it again btw) maybe you have a visit from jeff brdiges ?

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    6. No, it’s clean. I liked a TL072 a bit more but I was expecting a bit more since this circuit has so many fans. IDK

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    7. you can always check a youtube video if you like it before building. i liked this bluesbreaker overdrive a lot https://dirtboxlayouts.blogspot.com/2024/12/aion-fx-cerulian-amp-drive.html , maybe you like it better ? this is a nice distortion from mr black https://dirtboxlayouts.blogspot.com/2024/11/mr-black-thunderclaw.html

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    8. Yeah man, I know, I did watch a few demos. Built the Thunderclaw. It's cool. Essentially, another fancy Rat.

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  3. expected way less, but suprisingly packs a punch!

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