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Bijous: pretty BJT overdrives
Also on FSB! https://www.freestompboxes.org/viewtopic.php?p=297316 Introduction Electric guitarists have been long enamored with...
Dec 27, 20239 min read
783 views
1 comment


Chewborg Envelope Filter
Introduction On my quest through re-imagining effects pedals, I felt like envelope-controlled filters deserved some attention. As it is...
Aug 6, 20239 min read
721 views
1 comment

"That" compressor
I had wanted to make a compressor circuit for a long time, because it's a popular and somewhat easy to make effect, but the existing DIY...
Jun 30, 202310 min read
954 views
5 comments

Trembling Satellite tremolo
The Tremulus Lune is by far the most popular DIY tremolo project, and for good reasons: it's a simple enough circuit that does all you...
Jun 4, 20235 min read
556 views
2 comments

Pevy Knave Guitar Preamplifier
Check also the FSB thread! Peavey, Pavey, Pevy, or is it Pee-vee? One of my favorite amplifiers is still to this day the Peavey Bandit...
Apr 28, 202310 min read
499 views
0 comments

Morley M2 Volume Wah (M2WA) schematic
There's not much information about this series from Morley. This company seems to have tried many different control schemes for the wah,...
Apr 27, 20232 min read
118 views
0 comments

Mooer Micro DI schematic
I've got my hands on an undersized Mooer Cabsim/Balanced driver pedal, and without even sparing any time actually trying how it sounds,...
Apr 24, 20232 min read
253 views
0 comments

"True" MOSFET clipping at 9V? Green Turtle overdrive and other applications
MOSFETs, the incredible devices at the core of modern devices, computers, power supplies and… distortion pedals? For some reason, there’s...
Feb 23, 20236 min read
568 views
0 comments

Pelota 2: PT2399 delay
Check also the FSB thread It’s been a couple of years since I’ve made the first Pelota delay: from the very name, it was a circuit...
Jan 21, 202314 min read
790 views
2 comments

LFOstortion
Just as I was finishing working on the Enveloping Timbre, I realized I could try different kinds of control voltages, such as a LFO to...
Dec 4, 20222 min read
272 views
0 comments

Enveloping Timbre: envelope distortion
Keep the clarity of your attack before letting the distortion embrace you: the best of both worlds! At least that was the original idea...
Nov 28, 20229 min read
385 views
1 comment


PUP: a host of Perfectly Usable Phasers
I’ve always liked phasers, in fact one of my first pedals I’ve ever built was a Phase 45 clone. Not only I liked how it sounded, another...
Oct 22, 202215 min read
1,116 views
2 comments

Dudson Narrowcast V2
This is a circuit I've made a little more than a year ago, as an answer to a very popular distortion pedal based on preamplifiers of the...
Oct 6, 20225 min read
1,000 views
5 comments

TE 386 drive
I've never been much into using the LM386 as distortion device. Mostly, the 50k cap on input resistance was what put me off, but also...
Sep 22, 20223 min read
509 views
0 comments


VCA-1 multipurpose VCA pedal
I've had the idea of an envelope-controlled VCA effect pedal for a few months. Of course, many existing circuits fall into this broad...
Aug 15, 202215 min read
709 views
2 comments

Type C. OD and Plastic Timbre
Originally posted on the freestompboxes forum Type C. OD The OCD was my first veroboard build and a pedal I've always enjoyed as simple,...
Jun 30, 20226 min read
466 views
0 comments

ULNa and Radius Fuzzes
Some way or another I found myself salvaging a lot of ULN2003 and similar chips. Description says "Darlington driver", and while I try to...
Jun 9, 20223 min read
244 views
0 comments

Clown Centurion
I like to take circuits I find interesting and rework them according to my taste, following some guidelines, which can be summed up as:...
May 30, 20226 min read
750 views
0 comments


Fuzz Face variations
The Fuzz Face is such a simple and popular circuit it's difficult to ignore it in the DIY world. Aware of the thousand tiny variations...
May 15, 20228 min read
940 views
2 comments


Clearglass - some new glass for your bass
I'm a fan of the sound of the popular Darkglass pedals, and about a year ago I engaged into making the Fairglass , my first re-adaptation...
May 2, 202210 min read
540 views
4 comments
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