Clik here to view.
Jon Patton Cruz Drive
Here's an transistor-ization of the Butler Tube Driver by Jon Patton. Here's what he had to say about it:I replaced the op amp buffer + inverting drive stage with a MOSFET booster, and replaced the...
View ArticleClik here to view.
Budda Chakra Compressor
Here's an optical compressor I came across on FSB and hadn't seen a layout of it before. There's some question as to whether the schematic is accurate on FSB, so build with care. The original uses a...
View ArticleClik here to view.
Earthquaker Devices Tentacle
Had several requests for the Tentacle, but it's just more or less a Dan Armstrong Green Ringer clone. But I had the idea of making a Green Ringer layout with the bypass footswitch board-mounted so...
View ArticleClik here to view.
Fulltone Mas Malo
For Fuzz Friday, here's Fulltone's take on the Big Muff. The main differences over a regular BMP is the input and output stages. The input stage has it's own gain control and the output stage is a...
View ArticleClik here to view.
HexeFX Night Train OD
Came across this circuit and thought it was interesting. It's similar to the Tube Sound OD with added input and output buffers, plus gain and tone controls. Info, schematic and sound clip available here.
View ArticleClik here to view.
Keeley Mag Echo
Here's Keeley's PT2399-based delay that aims to emulate old tape delays. I think it's the first delay on the blog with built in modulation. It's laid out with board mounted pots for a 125B enclosure...
View ArticleClik here to view.
Morula Auto Wah
Here's a simple auto wah circuit with a pretty low parts count I thought was interesting. Not a lot out there on it, but it uses a single CD4049UBE to create an LFO and wah audio path. The depth of the...
View ArticleClik here to view.
Dusky Electronics Hypatia
For Fuzz Friday this week I give you the Dusky Electronics Hypatia. It's based on the Bazz Fuss, but with a whole lot more control added gain stages and buffers. Should fit nicely in a 1590B. Here's...
View ArticleClik here to view.
Revv G3
You guys super pestered me to do this one, so here it is. Now get off my back! 😄 Layout turned out fairly big, but not overly so. It should fit nicely in a 1590BB.
View ArticleClik here to view.
Revv G4
This one was actually pretty easy to knock out after doing the G3. Slightly simpler and with less clipping than the G3, it's got loads of gain on tap. This also has the same pot layout as the the G3,...
View ArticleClik here to view.
Cornish SS-3 Soft Sustain
This just got traced by Aion and he was kind enough to share the schematic along with a cool tracing journal on his blog. As to what the SS-3 is, it's like a beefed up Cornish G-2, which is his take on...
View ArticleClik here to view.
BoozeAround
Happy Black Fuzz Friday, everyone! Be sure to check out the store for a bunch of new boards and a 15% off Black Friday sale. Use coupon code "blackfuzzfriday" at checkout.Here's a cool silicon...
View ArticleClik here to view.
Vertex T-Drive
Here's Vertex's Trainwreck-style pedal. Essentially a modified Ibanez SD-9. BJT input buffer, opamp gain stage, followed by hard clipping, a fixed BMP-style tonestack, and JFET output stage. Schematic...
View ArticleClik here to view.
Discrete Distortion +
I've seen a few people playing around with discrete opamps in classic circuits, and thought I'd give it a go with one of my favorite circuits, the classic MXR Distortion + (or DOD 250, etc.). The...
View ArticleClik here to view.
Ibanez BS10 Bass Stack
Time for some bass distortion. This one's a RAT with an input buffer and soft clipping instead of hard. Apparently these were built on the same PCB as the Fat Cat and LA Metal. For a drilling template...
View ArticleClik here to view.
Prescription Electronics Depth Charge
Here's a sweet bass fuzz based on the Univox Super Fuzz for Fuzz Friday. Original units used 2N3707 transistors with BCE pinout, which I'm guessing most people don't have in their parts stash. So I...
View ArticleClik here to view.
Seymour Duncan Dirty Deed
Here's a pretty interesting distortion from Seymour Duncan. 2N3906 transistors for hard clipping and a two band gyrator EQ section. Originals I assume are all SMD and use MC33178 ICs, which I believe...
View ArticleClik here to view.
VFE Distortion 3
Always a fan of the MXR Distortion+/DOD 250 as you all have probably figure out by now. Here's VFE's take on the classic circuit. Bunch of extra controls and mods including soft clipping, along with...
View ArticleClik here to view.
Grind Customs FX De Profundis Delay
Merry Christmas everyone! Hope everyone gets ample time to get some soldering done over the holidays.Grind Customs had a lot of really great projects, but their site hasn't been up in ages and it seems...
View ArticleClik here to view.
Way Huge Conquistador
Happy Fuzz Friday, everyone! Last fuzz of 2019. Here's an interesting fuzz circuit from Way Huge based on the Tone Bender Mk. III. It uses PNP silicon transistors, but is a negative ground effect....
View Article