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If so I think it's next on my list of things to build.

I can't imagine it would be easy. I have a Boss DM2-W which I really like except that whenever I plug it in it really affects my signal. I can hear that the guitar sound I have gone to such lengths to make as good sounding as it can be has lost punch as soon as the DM2-W gets involved. I like...

I'm looking inside a pedal I like and it has this tiny component I assume is a cap. As far as I can tell the markings are MRL and 650 - it might be MAL. But I think MRL is more likely. Is this a 65pF cap?

I just built a Prismatic Distortion and I don't have an LM741 - can I use a UA741 which I do have? Thing is, I have tried the UA741 and am getting no signal through. If I turn the volume up I am getting some hiss but no guitar.

First of all I promised I would post some pics of a JTM45 I just finished once I received the replacement OT from Mercury Magnetics. I had received a DOA OT from them which is kind of unusual. But now it's done, short of building a cabinet to put it in. It will be as small as 1x12 combo with a...

As I've mentioned here before I've built a few Broadcast pedals without the transformer and struggle to hear any meaningful difference. Now I see that the Greer Royal Velvet (British Royalty OD) is using the exact same transformer at the very end of the circuit. Apparently they have found a way...

I'm thinking of building one of these for a friend who is a massive QOTSA fan. So I had a look at the PPCB schematic and saw something I hadn't seen before (well that's not difficult for me!) - pin 6 of IC2 goes to a 47K resistor which goes to a 1M5 to pin 7. Why wouldn't they just use one...

I bought a few Mystery Meat PCBs a while ago because I suspected that I might want to modify it. As it happens I was right! The first one I built dead stock, just to hear what was going on. I am wary of replacing parts on PCBs because it can go badly very fast. So when I found that the stock...

I've built a few Chop Shops for friends and have now built one for myself. I have plenty of through-hole J201s so use those and don't seem to have any trouble getting them to 6.66VDC. But I find that the Sag knob doesn't really do a lot. Yes, it gets a little more saggy as you raise the knob...

I want to be able to box some 1590B pedals to post, etc. I've bought pedals which have come in a fairly generic mailer style box which fits a 1590B sized pedal perfectly. But I can't find where you get them from. Any suggestions? Bonus points if you know somewhere which is either in Australia or...

I have a Dirty Shirley I built from a PCB here and it sounds pretty good now that I turned the presence trimmer up full! D'oh! I play more at the lower gain end of the spectrum though and with a Les Paul it has way too much gain even when it's on zero. I could modify or build another one with...

Just built a Fuzz XIII (Basic Audio Lucky Number) and it's great! Really like it. But when I push gain over around 2-3.00 I get that familiar hiss/squeal thing. The only thing I did which isn't stock was use BC550B transistors instead of BC549C. Surely they would be close enough? Oh, and...

I like my Angry Man so much I thought what the hell - so I built an Angry Danish Man. It's an Angry Man with a simplified, slightly modified boost from The Dane. I've done similar things with other circuits - it's fun and save on DC outlets. :cool: A friend who is perhaps more learned than me...

I built an Angry Andy a while ago and quite liked it. So I thought I'd have another look and see if I could get something I liked better out of it. The main thing is that it made the bass strings quite fuzzy, and unless I'm playing a fuzz I like twangy bass strings. So i simply moved the diodes...

A friend recently gave me a bunch of ICs in case I can use them. I have no idea where they came from! They are: F 4069UBDC 9667 74LS37PC 772TC CD4511 411GR HEF4040BP NE504SN CD4011 HEF4051BP LM348N 4030BPC Are any of these useful for anything?

I've been putting together another pedal board and trying to make my own patch cables to suit. I've used Lava cable DIY kits before with good results but I believe they have gone bust. So I've been soldering my own with Canare cable and Switchcraft jacks of various types. But more and more I am...

I haven't been able to find a demo of a Fuzz War II or Bellum MkII. I built one though and I'm not sure if it's sounding as it should, but maybe it's supposed to sound like this?? I assumed it wouldn't be super fuzzy because it only uses a pair of diodes on one gain stage, and mostly it's...

I see from time to time that a circuit might be a TS without buffers - like the Eternity and about a gazillion others out there. I recently built a modded Boss DS-1 out of curiosity and have found that I really like it now that it has a bass pot and better treble response. It's ridiculously...

Here is Mr PCB's schematic: Is this an example of a designer using a JFET backwards on purpose? Why would they do that? I know JFETS can be used like this but does it serve any function? What would happen if I was to turn it 180 degrees to put the drain where gate is and vice versa? Anything...

I'm quite pleasantly surprised at just how much I like it so far. It's not as mushy as I had imagined. But it's also not particularly high-gain That's fine by me, but I also assumed that it would have more gain than it appears to have. It's quite clean for the first half of the gain knob's...