Mitchell

Mitchell

Doboz VCO340 progress

Made a little progress on the Doboz VCO340 today. Check out my previous post for more info about the VCO340. Tl;dr it’s an 8hp VCO based on the CEM 3340. i’m working on two at the moment.

Uber Drive #2

Second build of the “Uber Drive”. This is clone of Paul Cochran’s Timmy overdrive. Maybe this needs a better name? I manufactured these boards over at PCBWay.com. Their prototyping service gives you 10 boards for $5. Which is a great…

Making progress

Soldered up a few boards the other day. Here are four of the new boards, a Silicon Tone Bender, and another Flatline compressor.

New PCB Day

Just received some new PCBs. I ordered these from PCBWay.com. The quality was excellent. The cost is very reasonable These were about $1 per board with shipping. Ganging orders together saves on shipping! A few couple updates and a couple…

Deformis update

I worked on Deformis, see my earlier post for details and schematic. In a nutshell Deformis is my version of Tim Escobedo’s Ugly Face in a wah shell with the pedal controlling the frequency sweep. In the first pass I…

Doboz VCO340 knobs

While I wait on parts to build this I experimented with some knobs to get an idea of what the finished device will look like. My parts are back ordered until November. The Doboz VCO340 is a an 8hp VCO…

Ugly Face Circles

I made a few small updates to Ugly Face PCB. I needed to do a build to make sure that everything is working as it should. I ordered these boards from PCBWay.com. The service is a very reasonably priced which…

Summon Fuzz a bigger muff

This is Mic Tester’s 21st Century Big Muff. Its the standard big at it’s heart but updated. It uses an op-amp for the input and output stages, a James tone stack, and adds an interesting gain control to the clipping…

Doboz VCO340

The Doboz VCO340 is a DIY VCO built around the CEM3340. This is a VCO on a chip that was used in many famous synthesizers back in the 80s. Here’s what the Electric Druid has to say: The 3340 is…

Deformis

Deformis is my take on Tim Escobedo’s Ugly Face. I put this in a wah shell with the pedal controlling the frequency. The envelope was removed, and I’ve added a mix control. Design Here’s a schematic I came up with…

Building wah enclosures

I wrote about buying some bare wah shells earlier here. I started assembling them for a project. Here are some notes for anyone else trying these. If you’re going to paint or do any type of finishing work, you should…

Titan Boost 2

Here’s another Titan Boost. This is a John Hollis project, you can read more about it here. In a nutshell, it’s a clean boost with an output signal up to 30v peak to peak! That’s a big boost! The circuit is…