Here is an MXR-117 flanger clone I built in March. I etched the PCB from the artwork at the Shredaholic website. The parts list they have is incomplete but armed with the factory schematic I was able to fill in the blanks, since the part #s on the stuffing guide match with the part #sschematic.
I have a few SAD1024's so I was in luck. I tried the JRC4558 dual op amps but eventually decided on an OPA2604 for the preamp/output buffer IC, 2 AD712 fet op amp for the low pass filters, and one 1456 (I read some newer and even 4558's won't start oscillating.) dual for the LFO. It is so quiet and sparkling clean. It can of course get the exact Eddie Van Halen sounds like "When the Cradle Will Rock", "Unchained", etc.. I have also found by shortening the sweep width I can get some Electric Mistress like sounds. The key here is to crank the regeneration in both cases.
OK, since my builds look pretty appaling to me and I need some motivation to improve, I figured out it would be best to post their guts here for you to name and shame and give kick my ass :P Presented in chronological order. Sorry for the quality but my phone hardly functions as a phone so good camera performance is not to be expected!
Superfuzz (notice two holes at the top of the enclosure which were drilled too high and didn't allow for jacks to be put there, need to JB weld them)
Big Muff (actually first pedal I've built, I was ambitious and did my very own vero layout and all, great for learning. Was quite big though so when it came to boxing it, I just redone it from Mark's layout)
Deep Blue Delay (holes again, had some junk enclosure only so used it, also need to be JB weld)
Lovepedal Eternity Burst
Hey, at least they work, although sometimes I'm surprised how that's possible! Need to get rid of that X-wing footswitches though as they are appaling
Looks good man. I'm going to nut up as they say on this aid of the pond. Here's a few of my builds, not the nearest, but they are getting better. And I'm working on the screens for the prints for there pedals and the others I've made. Would have been easier/smarter to do that first rather then build first. Not to mention I ended up painting a lot of the encloses after the build was complete.
Fuzzface w/bias knob and bmp tonestack and bc130c's I call it the purple haze for obvious reasons
I'll gladly post more. I wish they were neater. I seem to be more of a function over form guy. FYI, the snow job with he diodes are 1n34a's that are do-35's so they're probably schotkey's but they sound fantastic and smooth, I even measured the forward voltages of them and they're .23v or so. I have to make another with the magical diodes I got from our new favorite eBay supplier in Bulgaria. I tested them in this circuit and they are incredible, but I love the ones I have in there now too, so I'll have 2 of them. Lol
I'll gladly post more. I wish they were neater. I seem to be more of a function over form guy.
I actually like that some of them are on the scruffy side. When I look at (for instance) an early gut shot that Vince posted and then at some of his current stuff it's really good to see how much everything has improved over a couple of years. Vince's builds are now as good as anything out there and put most commercial pedals to shame, and everyone else will improve in exactly the same way.
I've never been bothered about decorating the boxes and so just have bare metal labelled 99% of the time, mainly because I rack them anyway, so they're not on show and I'm not too bothered about an aesthetically pleasing exterior. But when you look at alltrax74 last build above ^, that again looks as good as any commercial pedal out there. What a great hobby