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Decent circuit that sounds like many other overdrive pedals. Similar in timbre to the Greer Amps Black Mountain Crunch and perhaps the SheepyLove Bee Sting. Unity is with all knobs around 12 o'clock, and from there you can roll off the drive for a fairly transparent boost. When you start turning...

I did a hole thru version and loved it, this pcb comes already populated with SMD components. It is $9 for the pre soldered board and $2.50 for the breakout board. Then you need to add the three dip-switches and a C5k potentiometer from your own parts. The circuit gets you beautiful boost and...

The chorus circuit sounds chorusy and vibey: this circuit stays at unity when engaged. This circuit brings you back to the sound of the 1980s. If you like chorus this circuit lets you control your modulation well. The toggle switch is an SPDT on/on and switching it back and forth does not bring...

These OD pedals begin to run together in sound. Minute changes in overdone circuits. This one has a wide open sound and it can get clean boost or overdrive... and rotating the drive knob brings a good amount of pleasant saturation. This circuit is medium gain and high boost. I used a white...

I love headroom, but some pedals like this one may have too much. It is turbo charged and surprising like the PPCB Slammer. When this circuit is at 11:00 on the volume it is loud. This circuit can dial up distortion which I find slightly unharmonic but fully saturated. The tone knob functions...

Just want to make sure my eyes aren’t missing something. In the Build documents C3 is in red. Just wondering why.

Was going to add this fuzz to my cart, but I want to check the board size. Based on the image the size given (2.35 × 2.15 × 0.5 in) may not be correct.

I have built one of these before but it is long gone. This circuit has some wonderful tremolo and it can oscillate slower because of a mod suggested on this forum. It can also get helicopter tremolo with the toggle. This circuit is useable and I would be confident using it on my board. The Speed...

It is sold out here for a reason. Great circuit that makes great boost, chorus and reverb. I have built a VCR before but it is long gone... and I forgot how nice it is. The build is not difficult and the end result is three pedals in one. You get immense satisfaction and very usable tones from...

Works as intended and I guess it could also be a nice boost. The sustain knob is the magic - it adds some dynamics and it is good for soloing. I cannot sense big changes when using the clip knob - Keeley says it is a sensitivity control, meaning you can use this circuit in your studio to run...

I have completed a few of these because it is a terrific circuit. It is a Lightspeed with a second gear. I put this in a Tayda glow 1590b and used the proper Lightspeed/Southland knobs. I used a waterslide decal with 2k clear coat. Inside I used low profile side jacks and a white illuminated...

Sounds like a sustaining saturated fuzz. The controls are useful and the dirt potentiometer works perfectly to bring the honey bees or the murder wasps. I think as far as fuzz goes, it is decent. This circuit with the MP26 transistors does not have flub or gating: it just has magnificent...

I love this Tayda MOFSET boost. It does not break up even when cranked, it is just lots of clean headroom. Unity is at 8:00 and going past 12pm on the dial it starts to gets very loud. I enjoy the circuit and I can recommend it as a boost or to add into another build. There are not many parts...

I am probably keeping this one - the last two I built went to friends. Fun project, and you get a great sounding overdrive that can provide clean boost or saturation. I used an A25k for the presence knob because I was all out of B25k. Maybe do not do that because all of the presence is at the...

I like this circuit which has sweet reverb courtesy of the Belton brick. I have assembled one of these before and it went to Nashville to be with my friend. This circuit can dial up long and short reverb and even delay. The toggle goes between short and long tails. The tone knob effects only the...

I like it. It is a great little overdrive/distortion with the ability to get everything from subtle boost or transparent overdrive to dirt. I messed with it a while and decided it is good. It is relatively transparent and amp like, but when you start turning the drive the circuit transitions...

I do not think there is a better overdrive circuit and I have built several of these. I have finally built one in the MXR style configuration that I enjoy. I Also enjoy the color of the enclosure. No isolated bypass module because it does not fit in a 1590b and the circuit does fine without it...

I keep returning to this circuit because the ROI is usually great. Today... everything went wrong. I have previously stuffed this in a 1590a but this time... I had nothing - there are barely any parts but I had no signal. Bad BC108, wrong volume potentiometer installed, LED issues from...

Essentially this is a very high gain distortion pedal that does sustained fuzz. I can confidently call this a fuzz pedal or a distortion pedal but I would not classify it as an overdrive. Tsk tsk Mad Professor... false advertising. The circuit has too much gain – too much sustain - just not the...

Sweet circuit and it reminds me of my AD-80 Analog Delay. I had some issues that arose from my late night to early morning soldering last night. Bad idea I initially had no signal so this is what I did I used my meter to check the traces I reflowed the solder twice just in case. I replaced the...