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Hi all, I'm tracing a few schematics and noticed something about the TS schem that I can't figure out. In the schematics of the TS online, the RC filter (4k7 res & 47nf cap) in the first op amp is connected to ground (R4 and C3 here) But on the PPCB schem, they are connected to VREF. Same...

I put this together for a customer who wanted something like the Mad Professor Bluebird - an overdrive pedal with a delay built in for guitar solo type stuff. I had the Southern Belle already and build the Seabed Delay to accompany it. I managed to get it in a 125b by stacking the boards. The...

Will this work? I'm tired

I just ordered some of these in 820R, 1K, and 10K, and selected 1/4W thru the filters, and they are as small as an 1/8W resistor. Is this weird? The description for these lists 1/4W and it matches up with my invoice. Just trying to find out if I have to look out for this in the future with...

Hi all, I'm building a Symbolic overdrive, which calls for a TLC2272. I checked it out and it's similar to a TL072, but allows for rail to rail operation. If I were to use the TL072 in its place, I gather the pedal would distort more easily. Is that so? And, would that be advantageous? I don't...

I just picked up a used cry baby with a 2007 red PCB. It's in good shape and original. It has a red fasel inductor and MPSA18's. What should I try with it? I'm thinking an LED indicator and at least one external knob to adjust... something. Maybe overall range? Or Q? I'm playing around with...

Hi all, I just made a DMD-2. The rate pot would not allow for adjustment of the modulation rate so I tracked it down to pin 21 of the FV-1 producing 0.68v. I lifted that pin from the circuit board to isolate it from any stray tracings and the voltage remains at the pin. My plan is to remove the...

This was my after-family thanksgiving project. I was going to make a kliche with this enclosure but the delay is cooler. I made it horizontal as it works better with my pedal board. Here's a gut shot It sounds good. I don't think my Rate control is working properly so I'll have to...

It says Rotary Chorus and as we all know it's hard to find a DIY rotary pedal so I was like The build doc said it needs a 1590bbs enclosure but after staring at the pics for a while I realized it didn't. Here's the build doc On page 6 you can see the photo of the builder holding the...

Can I use, for example, red LED's instead? Asking for a friend

I want to make a chorus or flanger into a 1590b, preferably horizontal. Who has a PCB small enough to go in one of these?

I just noticed the sort by A to Z function is gone from the website when perusing thru the PCB listings

I've been wanting to put this together for a while and I've finally found the time now that my big car project is done. This is my cheap $79 SX strat. It's sentimental to me. A while ago I put a set of Fender Pure Vintage 59 pickups in it, which are not noise cancelling in the in between...

Here is my Distortr build. I tend to like discreet transistor circuits and I had to add this to the collection. It sounds great, very open and lively, not at all compressed like a lot of overdrives. Pretty much the opposite of a tube screamer. The gain switch adds a bit of volume as well as...

Hi all, here's a Skylight OD build. I made a Resinite OD and liked it a lot so I tried another Mad Professor style creation. It's interesting in that it has an external impedance control, which loads the pickups like a fuzz face and allows the guitar's vol control to clean up the distortion...

I built an uberdrive and it didn't have the same kind of gain as the original boss pedal so it found its way into the cabinet. It calls for a pair of 2SC732 transistors, which are kaput, and a quick google search returned that the sub is 2SC1815. I poked around on mouser using their filters...

I just built one of these but the board I had used a single gang pot for the texture control. The current pic of the board shows a dual gang. I checked the schem but it hasn't been updated yet. What was the change for? https://www.pedalpcb.com/product/skylight/

In ye olden times I owned a J Rockett Boing, which is meant to be simulating a Fender spring reverb. When I got into this I picked up a Sproing to compare it. Along the way I also purchased a Luxury 763 (Lovepedal Blackface) to compare it to my Fender Deluxe Reverb. Then I thought - why not...

I made one of these in the past in a horizontal format but I wanted to make a normal one too. Here's how we started I took off the bottom two pots as I wanted to change the setup. This board also has a random 18k LED resistor so I pulled that out as well in exchange for a 4.7k All the wires...

Hi all, today I put together this Twill Deluxe. I built a Dielectric Boost a while back but I was looking for something similar I could put in a 1590B and came across this. This is a similar makeup in that it's an electra, but there's a toggle switch for different clipping diodes, and one of the...