Joyo - JF-38 Roll Boost  [schematic]

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.
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CheapPedalCollector
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Post by CheapPedalCollector »

Roll Boost Schematic
RollBoost.png
RollBoost.png (6.59 KiB) Viewed 1753 times

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lykwydchykyn
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Post by lykwydchykyn »

I'm assuming C5 is a filter for RF, is there a benefit to having it go to +9v rather than ground?

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blackboarcult
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Post by blackboarcult »

Looks more like a filter to tame a bit the high frequencies, but not sure..

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Manfred
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Post by Manfred »

lykwydchykyn wrote: 05 Dec 2022, 04:27 I'm assuming C5 is a filter for RF, is there a benefit to having it go to +9v rather than ground?
I think more to prevent oscillation.

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mirosol
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Post by mirosol »

Tiny layout to clone and tweak. Left the second power filter cap put, since i don't think it does all that much.
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