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Had someone commission this Octarock, but they wanted the Ringer and Bass Only switches from the Mu-Tron Octave Divider. The upper octave and dry signal are left stock, while I tweaked the lower octave to be more inline with most The applicable mods found here. I'll do a more detailed...

Another Rat, because that's all I know how to do. Built on a pair of DirtMonger MultiRat boards, and housed in. Deucetone-style enclosure. Brutalist knobs, cuz duh. Soft touch mini DPDT footswitches The right-hand side features a Soviet UD1408A, which is a slightly darker, less gainy take on...

Got a video to demonstrate? Mine never seem to be overly compressed, but it is among the fuzziest of fuzzes

Made an updated, higher quality demo, so figured I'd share it here

Diggin the zigzag layout, and super neat innards 😻

Only deviations form the build doc are R12/R13 which I've replaced with 12k and 22k, respectively. This was done to bring the volume of the dirt channel closer to that of the clean, while avoiding oversaturating the buffer preceding the filter. Rebiasing that buffer could probably gain a bit...

Haven't tried it yet, but I'll run it through the Marshall and Mesa sims on the Opus after work today. I'm assuming it'll sound good, though- It's essentially just a higher gain Tube Screamer

@MichaelW wanted to know my thoughts as he recently built one, and was also less than impressed, so here's this little rundown. Built to the doc except for the clipping diodes- I replaced one of the silicon clippers on the Rhythm side with an IR LED, and replaced both clipper on the Lead side...

That's normal behavior for this family of circuits. The easiest mod would be to add a smallish value resistor to lugs 2/3 of the Gain pot. Start with 10k and adjust up or down to taste

The resistors all look good. Hard to see some of the caps. Are you able to run an audio probe coming off of pin 7 of the 555? Mines modded, but here's a quick runthrough of my most recent build just showing the range and interactivity of the controls, in case that helps at all

I'm assuming it's the same without the expression pedal? Could we get some clearer photos of the solder side? And, you've said this is the second you've built with the same issue- are any parts reused from the previous attempt?

You'll most likely have to upload it to YouTube first. Wiring lengths are kinda excessive, but look correct. Resistors looks fine. Which LDR are you using? And, just to be thorough- the backs of the pots under the board are insulated?

There's really not a whole lot to get wrong with this circuit, so we can definitely get this up n running Would a better shot of the bypass wiring, and short video demonstration (focusing on sweeping the Sens, Threshold and Mix pots) be possible?

Your timing chip is wrong- NE555 won't work. I've had success with LM555, LMC555, TLC555, and ICM7555 Have you verified that the LED responds to picking dynamics? Also, the mix pot is wired what I'd consider backward- you get the full oscillator mix when zeroed out

Bumping this And requesting the doc for the Oroideous

Have you double checked the transistor part numbers? I ask because I recently ordered a bag of 2n3906, that somehow had a bunch of 2N5306 which had me chasing my tail on a couple builds

Rubber stamps- either Pegz brand (typewriter) or a custom set (peignot) Stazon opaque is the ink I use most frequently

Pin 13 should still be in the socket

Someone on Instagram requested a bass demo, so sharing it here This is with my janky PBass into the SVT sim/810 IR on the Two Notes Opus