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I'm looking for assistance in analyzing this circuit. What I can make of it is that it seems to pass signal when certain conditions of the lower section turns the JFET (Q102 2N5457) off. I'm guessing the lower section captures the signal's attack transient and turns the JFET on or off. A...

There once was a comic book series created by Gilbert Shelton called the Fabulous Furry Freak Brothers. Three hippy stoners who communed together with a cat in a roach infested apartment. Their antics are hilarious. Gilbert Shelton even did a spin-off series featuring just Fat Freddy's Cat...

Diggin' the vibe I'm having with "Grunge Bob", I took a dip into the Friendly Fire Fuzz circuit with another short run featuring our favorite deep-sea sponge fellow. But I encountered a snag with just the Friendly Fire Fuzz circuit. It's a below unity gain fuzz build. @Ginsly was kind enough to...

UPDATE: The schematic is now corrected & updated. A few years back Dimitris Smith Diamantidis created a neat little BBD test circuit board. It was available thru DSMCZ. But since, Dimitris has pretty much moved on and DSMCZ is out of stock on those PCBs. I had been in contact with Dimitris in...

Anyone else find the "Friendly Fire Fuzz" to fall short of unity gain? This is a great sounding fuzz circuit, but it does not even achieve unity gain. I tried a few different BJTs, (MJE340, KT315B, & BC184L), with no volume increase. However, the different BJTs do provide some different...

Probably my 13th Klon (Kliche) build and IMO, the nicest looking. Kudos to AmplifyFun for the enclosure paint & drills done up in a LoveMySwitches Gold Sparkle enclosure drop.

Found myself curious over PPCB's "Two Sticks of Derm Fuzz" one-knob fuss circuit and wanted to try it out; so I got three. The first test construct was pure stock build and it sounded wonderful. Still, for grins, I wanted to test things further by replacing the two VCC resistors (R2 & R6) with...

The Kokko Distortion pedal, by many, is claimed to be a Tube Screamer. However, after doing some rudimentary tracing and web searching, I found this schematic that nails the actual Kokko Distortion pedal. The Kokko Distortion is NOT a TS circuit with soft clipping. Rather, it appears to be...

Just wrapped up a pair of Day Dream Delays. Did the artwork in Photoshop, sent two of LoveMySwitches' Blue Sparkle 'Limited Powder Drop' enclosure and the artwork/drill file to AmplifyFun and stuffed 'em with PedalPCB's Day Dream Delay boards. Great sounding delays!

The Aion Argent (Boss FZ-3 Fuzz clone) is an excellent fuzz. Zero build issues and sounds great!

Really happy with the printing results from AmplifyFun on my enclosure artwork. Robert's PCBs are the bee's knees.

Anyone know where I can source gold colored 3mm LED bezels?

Got these two PCBs in a parts box I received. Anyone recognize it/them? I suspect they are clock mod bards for an FV-1 based circuit. When I get back to my bench, I'll trace it out and show the schematic drawing.

Anyone ever see a distortion circuit like this? The original concept is on YouTube. I only changed the part ID numbers and added a couple parts to make it more pedal ready. I'll be putting it up on a breadboard in the next day or so.

Another nice, tightly packed MadBean VFE build - a BumbleBee Compressor/Swell. Lotsa sweet control on this one.

Just finished a modified GuitarPCB "Mini-Me" (EHX Small Clone) circuit to extend the Depth range. Dropping it all into a 1590B with top-mount jacks is a tight fit. But sweet!

For those who knew (of) Cees van Eijk (Skidmark Pedals), I am sad to learn of his passing. Seems his spouse posted the following on his behalf yesterday morning onto his Skidmark Pedal pages on FB . . . . "Dear fellow pedal people, If this message gets posted, it means that something went...

Wanted to explore the Electric Druid's "StompLFO" circuit to discover what delicious LFO capabilities it holds. And "WOW!", what a circuit! IMO, it is by far the most flexible Auto-Wah style filter FX I've encountered. Of the four PIC-based LFO chips available from Electric Druid, this is the...

Not a question . . . more of "Notification". Decided to crack open this pack of NOS Radio Shack 2N3904 transistors for a VFE-BumbleBee build and discovered why it is so important to dbl-check one's part BEFORE installing. The pics say it all . . . . Mis-labeling has always been a thing . . . .

And finally, the last of the red sparkle enclosure FV-1 based builds - a MadBean "Headtrip II' pedal. Can ya tell I like FV-1 based circuits? Love this 'red sparkle' enclosure drop LoveMySwitches. Next month or so, I'll be reporting on the builds I do with LoveMySwitches' 'Blue Sparkle'...