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Low pass filter on a DIY pedal

Started by jjonas, June 22, 2014, 09:28:05 AM

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jjonas

Hi,

I have a DIY fuzz pedal, which is way too bright. I thought it'd make sense to build a fixed low pass filter into it, so that it will sound ok with my regular setup, without having to change the rest of the setup just for this fuzz. So, if you think this is a sound idea:

I know something about LPF's in theory (how to calculate Xc etc.), but I'm not sure where I should place it in the schematic (input or output side), and what other factors I should take into account.

Here's the schematic:

http://www.deviever.com/fx/wp-content/uploads/2012/09/hyperion.jpg

Where should I place the LFP there..?

phatt

I'd just keep on sticking caps across the audio path (pick a spot) until it sounds right. (if that is possible with such a basic fuzz circuit :-X)
That 100n across the line is obviously not enough so add another at input of last stage or between the the other caps.
Phil.

Roly

If you say theory and practice don't agree you haven't applied enough theory.