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A Harmonic Percolator for all seasons - Here's the OKHP! MEGA Edition. Yep - it's not very original but it makes a fun noise. This is designed for some unmarked VERY low gain germanium transistors, around 25 HFE. Thanks to @Chuck D. Bones this is the "Spunk-o-matic" with an added...

Yep - I've gotten better toner transfer results after running the enclosure on a turned-over belt sander to flatten out the convexity. I also use a tapered rolling pin to very carefully press the paper onto the enclosure after getting it ripping hot with the iron. Gotta push it straight down so...

Yeah, these demos sound sooo much better. Even 60 Cycle Hum made it sound better than the JHS demo.

All of the tones from the Hard Drive sounded the same. When they did the comparison with the other pedals, it was more like they got a Rat, DS-1, BE-OD and Tight Metal to sound like the Hard Drive instead of the other way around. I haven't seen demos from anyone else, maybe it's due to the...

I'm basic, I've always been an EHX fanboy. These days, though, I only have a looper from them. I'll get another HOG before too long.

Here's what I've got: Palmetto Sundew Fuzz (variation on a fuzz face) -> Madbean Uber Tuber -> Patton's Bear Hug compressor (stripboard) -> Yamaha American Monster clone -> PPCB Backfeeder -> Behringer Vintage Delay -> Tuner -> VFE Springboard -> PPCB Minivibe -> Palmetto Choctawhatchee Chorus...

Aw yeah this is going to be fun. Would it be considered outside the rules to design something intended to be interactive with a guitar's volume or tone knob?

In the Benson delay, how much do you think the compander is contributing to the clarity of long delay times? Or is it just giving "analog color" to a standard PT2399 circuit?

Excellent stuff! Very ingenious method of maintaining volume when selecting clipping diodes - I'm going to have to try that out on a couple different builds as that's a major pet peeve of mine. How curious that the octave down effect gets dialed in with Q2's feedback resistor! When I was...

That'd be rad. Or their One Shot event generator could be fun on bass for synthy sounds. Lanterman's demo didn't show how it reacts to more complex strummed chords, I wonder if it would glitch out like an octave fuzz.

I saw that on Lanterman's YouTube channel, it looks (and sounds!) very interesting. I'm thinking I'd want some modulation in the "distortion" parameter as it contributes a lot to the waveshape at different settings. Maybe driven by an envelope?

I got 19, but I think that has less to do with me being old and more to do with growing up lower middle class in the middle of nowhere (or maybe I'm kidding myself, lol) I never paid less than a dollar per gallon for gas. I was fortunate enough to be riding an 80cc scooter during the 2008...

In all of my experimentation with the HP circuit I have never thought to try a MOSFET for Q2. BRB gonna breadboard this...

hot dang! :love:

I'm super bummed that Eagle is going obsolete. I even bought a Windows PC to run it. At this point I'm too busy to stumble around learning and failing at a new system so I'm putting off making a switch. I was planning on EasyEDA but with reports of JLCPCB recently being inaccurate I'll probably...

I LOVE using low-HFE transistors in a Big Muff. It gets the thick wall of doom sound I'm a sucker for as well as actually usable low gain tones. Try giving it only 5V. The KT*** silicon transistors make great partners with the plentiful low-gain Soviet germanium PNPs for Sziklai pairs.

Looking forward to seeing what you've got for the Percolator! I boxed mine up and did a little giveaway on my instagram with it.

Congrats @BuddytheReow !

To bypass the footswitch in the "boost" position you'd connect 1 to 2. It looks like 3 and 4 are used to turn on the LED in boost mode. Compare the back half of the Twill Deluxe to the Distortion 250: On the Distortion 250, R4 and C5 make a low-pass filter, rolling off the highs above...

I'm director of a library at a (very) small community college. I had a hunch there were some other academia dudes in here, glad to see I wasn't wrong.