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I have been working on a dual filter pedal. Something very out of my wheelhouse. I liked one channel of the DBA Sound Saw so I started learning about notch filters to create a second channel I liked. The circuit needed some more volume and I wanted to stay with the reverse beta theme the circuit...

https://dirtboxlayouts.blogspot.com/2019/08/death-by-audio-redblue-card-fuzz.html?m=1 Just for poops and giggles I was wondering if I could remove the fuzz and just hear the filter and resonance controls. I messed with it enough to know I dont know how. 😀 Removing the diodes and changing...

Cross posting from: https://www.diystompboxes.com/smfforum/index.php?topic=133885.0 Has anyone had success with this schematic? https://static1.squarespace.com/static/56a5a0e242f55268768a0c2b/t/592ad16c15d5db2bc1ba0439/1495978348902/steiner+parker+vcf.png The comments on the layout over at...

Has anyone ever though "I wish this bit crusher had distortion!"? Not me. Love the pedal but the Gain control is wasted space. So I cut out those clippers and set the gain at a good level. The carrier sound in bypass had to go too so in went a Millennium Bypass. Why have a two position switch...

Looking for a little advice. I breadboarded this and like it quite a bit. So I drew the schematic out so someone could actually read it. I went ahead and fixed the pots so it was "correct". I also added power filtering and a PDR at Input. Couple of problems: The Filter switch makes a popping...

BEHOLD! The OVERLOADER! Just a big muff that was tweaked and tweaked until it was great. Then I started experimenting with a way to blow it out more effectively than a boost in front. I put a Bass Boost in between clipping stages with a blend. Gain and Overload(Bass Blend) are very interactive...

Hi all. As much as i love Electric Wizard i just don't play like them. Suffice to say the board has been sitting in a pile of never getting boxed things so i started to tinker. Here is the final product and it finally got boxed and everything...

Traced my original and modded for longer delays. The filtering on this one is pretty unique so the longer repeats dont get much chip noise. I put in soft switching for the surge switch too. For some reason the high gloss clear coat came out suuuuuper high gloss.

I am very proud of how this modded Rat (NO DUH) came out. Some value changes and a Filth control that blends between LED and Asymetric Si clipping. There is a lot of texture to play with here since the LEDs are never symmetrical unless all the way counter clockwise. I specifically wanted to...

I want to put a dpdt switch into a pedal with a soft switch. It only needs to he engaged while pushed in. The relays i bought are for 4.5v but only engage with 5v. Go figure. So I stole 5v from the L7805>run to momentary switch>positive of coil. Also an led I may include but it's not needed...

I have a project in the works that needs a dpdt momentary switch. Its so hard to find one that doesn't have a very hard press so I would like to go soft touch. I saw this and would just rather build my own into my layout. https://mas-effects.com/digital-relay-switch.pdf Im curious too now if...

There is a mostly complete report on this over in the mods section but here are the bullet points. The art is taken off a beer from There Does Not Exist. Art by @ibayarifins. Great beer, Great art. Mode switch changed to pot Octave blend added to remove octave completely at full ccw Bigger...

Great sounding pedal. My 10 year old populated and soldered about 90% of this. Graphic is a drawing into Ai and then photoshop.

This is where my hyper fuzz is so far. I'm particularly interested in knowing if I can improve upon the octave blend. It works well though so maybe against all odds i did good. Gain changed to A250k for MORE GAIN. The Boost is skipped over so Scooped and Full can be wired to a B50k blend pot...

Made one a long time ago and never connected with it. Recently I though it would be fun to take a swing at some redesign. Changes are circled in blue. C9,R20,C13 help nudge the sound towards a more usable verb without losing too much of the dba style. Feedback surge footswitch because its fun...

Im not sure this is the right category for this so I can move it if need be. Why so many voltage dividers biasing the op amps? R4,5 12,13 18,19 Couldn't i just put one pair with a capacitor to create 4v5/vb and run from there?

OK, this got started over in the mods thread but im moving it over here. As chords and notes decay I hear a lot of fizzle. I'm using an op07cp from Texas Instruments. I have tried lm308. I'm thinking they are real because they came from Jameco, reputable place. Honestly I've tried every op amp...

I just populated this thing and starting playing. Holy lord, how much bass can a circuit have?! I tried some different values at C28 but im sure there is a smarter way. I fear i have to knock down ALL the 10u and 22u caps. Has anyone dove into modding this to a more reasonable bass range?

Mo(not)onous Delay This was a fun project to delve into. I certainly didn’t stay true to the short delay, tape warble aesthetic. The delay still does that sound but now it can run wild too. Very versatile now for rockabilly, dub, shoegaze etc. Delay time is extended and feedback added to...

does anyone have the build doc on this older layout? I'm looking to do some mods but would love to avoid taking the whole thing apart. Thanks in advance.