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I'm sure you could and I know AionFX has some suggested values for the readings on the transistors for what they consider spec. However, I generally just go by sound -- if I like the way it sounds, I call it done even if it is a mis-biased. Here's a build report that has a lot of info...

Since I mentioned MKI, here are the suggested specs I have for MKII: TransistorhFELeakage (uA) Q160 - 90< 200 Q270 - 120200 - 400 Q3110 - 170100 - 300

For MkI I've got these notes for hfe ranges: Q1: 55 - 80 Q2: 65-100 Q3: 100-140 Also, replacing Q2's collector resistor (r5) with a trimmer to bias Q2 correctly can help. That said, I'd socket the transistors so you can audition them for the best sound.

Great work! Thanks to Boris I went down a path of purchasing and building a ton of Elk Sustainers and it's one of my favorite Big Muff variants.

Nice build through all the pain. I'd definitely shy away from them but I've built a lot of PCBs from them and only one I couldn't get working well. For the Darkglass stuff, I'd look at AionFX's versions of them. Those do work and are a breeze to put together.

Just to add on to what swelchy said, this is one of those circuits that is best to breadboard first to make sure your transistors are going to work in it or socket both the transistors so that you can plug and play different ones until it works.

This is one of my favorite modulation circuits from SeppukuFX that you can get a clone of. Not quite as weird as Cassette or Memory Loss but loads more usable. Awesome job on the graphics.

Worth asking in the drill template forum.

I did and I would have but I had some foot switch breakout boards I had made and just hadn't used. Desoldering a 1 cent resistor wasn't worth the time or effort.

1. Petty Tears: https://www.deadendfx.com/product/petty-tears 2. Knuckleball: https://www.deadendfx.com/product/knuckle-ball 3. Switchblade: https://www.deadendfx.com/product/switchblade 4. Sputter: https://www.deadendfx.com/product/sputter

What are the main measurements you need? I've got a backlog of Deadend FX PCBs that I need to box up and was starting down this path myself.

I can verify that this works.

Is this a build for giants!?! I need to be at least two or three times bigger! /zoolander Awesome work!

Over in the builds section, it was mentioned we needed a thread for DeadEnd FX project build templates. So, who has some Tayda Drill Templates they are willing to share for their projects? I've got a few of the Last Gasp Arts Labs PCBs that I'll be building soon, so if anyone has some templates...

I managed to do top jacks on the 'zilla build but it was a tad rough. I'm definitely up for a DEFX Tayda Drill Template thread.

Nice job! This is on my stack to build. I just purchased all the LGL boards from DEFX and have been building them. I really liked the knuckle ball.. but I've got a soft spot for ring mod. The 'zilla was also extremely interesting for a fuzz.

That must be why it sounds darker than expected. 😄

I am among my people. Folks who remember Stongbad. As soon as my daughter said a dragon blowing large flames I knew the only answer was Trogdor. I imagine she's gonna steal the pedal from me cause she loved the look of Trogdor with his strong arms and consummate vs. Maybe I should make a...

I had some super low gain NPN MP38 Ge transistors and figured I'd throw them in the Cross Contaminator build. I was going to go with a Dia de Los Muertes theme initially to play into the EQD reissue but my daughter saw me looking for artwork and told me the pedal needed a dragon breathing...

Alejandro Jodorowsky approves. I approve. Awesome job on the pedal and great choice on the artwork.