dirtboxlayouts
Minotaur Sonic Terrors Fuzz & Burn
MTK traced this pedal and sent gutshots and component values to AlexS who sent them to me to make a schematic and a proper layout with all components on the board. Still, there is some offboard wiring to do since it is two circuits in one enclosure. So what is it? Essentially an Electra Distortion … Read more
Ampeg vh140c Channel A Pre Amp
This one was quite a mess to get right since some of the schematics online was missing parts and/or had the wrong values. After some head scratching I worked from the factory schematic of the actual amp. However, did some mods without changing the charcter of the sound to much. First 9v/-9v operation is used … Read more
Thorpy Fx Fallout Cloud
One of the more interesting Big Muff derivates out there. The first three stages is a basically a Dice Works Muff Diver which itself is based on a 1972 era Triangle Big Muff. The tonestack is whats make it standout from the crowd; an active transistor based two band eq. And demo of MTK’s build
1776 Effects Multiplex Jr.
Schematic and info HERE . Original calls for a VTL5C3 vactrol but since they are obsolete and stupidly expensive the layout calls for a home made vactrol. Just socket the LED and LDR to find the right combo.
Seppuku Fx Mind Warp
Schematic, trace and info avaiable at FSB. Note that there is a cap value missing across pin 11 and 12 at the PT2399. There is a 10nF cap across pin 9 and 10 so a close value to that should work. Also, lug pot numberings isn’t marked on iether of the schematics so lug numbering … Read more