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Thanks a lot guys. I am still pretty excited about this build. I have been searching for this tone in pedal for a long time. I have tried a LOT of boutique pedals before I strated building and never found THE sound. When I heard the Pete Thorn demo of the Plexitone on youtube I knew that this could be the one. I got the madbean pcb and started this at least six months ago. I built it stock and loved it but I knew that I had found a circuit worth the time and effort to experiment with until I had exhausted all of the tonal posibilities that I could come up with. I learned so much with this pedal (with a lot of help and a lot of trial and error). I built over 20 other circuits while I was tweaking this one but none of them had my interst like this. I am probably gong to build a couple of more (a two switch unit with no boost, and a single channel single switch unit for a smaller pedal board). I just can't imagine a better sounding Marshall type pedal is out there anywhere. That being said, if you are happy with the tone control on the pedal, then this one won't sound any better if you run it at +/-12v. I just like the TMB to make slight changes (mostly to the mids). Mine is a little lower gain than the standard boneyard and that may not be to everyone's liking.

This pedal really shines on a clean Marshall type amp. (I think it would absolutely rock an 18 watt Marshall). One thing that would be cool would be to have a small EQ circuit to shift the mids from a Fender (400hz scooped mid) to a Marshall like curve (700hz push) for use on a fender clean amp. I know there is TMB on mine but without a parametric, you can't quite get the upper mids that you can from the Marshall type clean. I'm being VERY picky here because it does sound great on a fender, just not quite as good as on the Marshall. I tried the Tonemender EQ but didn't love it. If a mid shift could be incorporated into the pedal via a small toggle, then you could go from fender clean to this Marshall type crunch and have it all. Maybe that's the next step in the evolution of this pedal..........

Well my recording dreams were dashed today. My friend is having problems with his USB interface to his recording computer and can't record now without another interface. Looks like no clips for now. 

Have you made any further modifications since late last year?

And were you ever able to make any recordings of this?

I know it's an old thread and all but I think these mods sound promising.

Great all the way around. Enjoying your tone, pickups, phrasing, etc., etc.

Sounds awesome. Maybe one day I'll be able to build something like the Dirtbag Deluxe.

I've got to learn how to change my notifications here so that when someone posts to a topic I get an email or something! I had forgotten to look back here.

Over winter break I'll probably mod the boost and build in a single stage of the AC Tone. I think I've got the parts for it already...

The AC and the Plexi are the same pcb but there are some other slight changes besides just the clipping. It isn't practical to do both in one pedal if you want them to exact. You may be able to just add a switched clipping section and split the difference between the other components but I haven't done it to give you any feedback on results.

You can just leave the boost off all together. Just don't even put the wires on the board if you don't want a boost. You can jumper the pot connects on the pcb but it still works as normal if you don't.

Yeah, I wondered whether there were just too many changes to make it worthwhile...

I suppose I could try including one stage of the AC instead of the boost?

Slimtriggers, I haven't made a list yet but it could be made. I've got both schematics around here somewhere...

Super cool!

Mine has two three-position toggles (NOS Tesla, GE, bat 41s) but nothing like that!

Hey, everyone. This is my first post here!

I bought a Boneyard from a guy awhile ago and have LOVED using it since then. What I haven't had time to do, though, is to think through some mods. I'm still at the paint-by-numbers stage of circuits but love learning more and more.

What I'm interested in is sort of two-fold:
1) Whether it's possible to mod the pedal to choose Plexi or AC (since they have similarities); and
2) What to do with the boost section that I never use (midboost?; rehouse?).