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I just built this the other day and so far I'm loving it. Has anyone tried using mosfets for clipping yet? I think I have some around that I may have to try since I really like them in other pedals. I'm guessing it'd also be possible to use jumpers (I used sockets) and have no clipping diodes.

Im curious about noise issues mostly. Also, do these types of pedals color tone at all like a non true bypassed wah?

I would think the only change in the tone would be if you're adding more cable length, but the box itself shouldn't color your tone if it's true bypass.

Thanks! I actually found them on ebay last night. For some reason, they have different prices for the same amount. I found a set of 4 for about $3.50 shipped. I'm trading the 2 extras to a buddy of mine for the 4580 op amps.

Nice! Was it from an ebay store? If so, do you remember which one?

Right on. Thanks for the reply!

I read the info page on the Aristocrat and I couldn't tell if the boards are now shipping with the dip switches included or not. If not, no biggee but if they are included then I wouldn't need to order parts from more than one place.

I tried two different opamps and a different set of 2n7000's and get the same results. I socketed C7 since I've built the circuit before with a 1uF cap, but I get pretty much the same results with either 1 uF or 10uF. I also swapped D2 with a different diode thinking that might have something to do with it, but it still sounds like a big ol' blanket over the amp. All of the other values are the same as on the layout and schematic.
I'll play around with it later and see if I can find any traces on the board or if I've got something wired wrong with the jacks and switches.

By the way, I measured my voltages on the opamp and I have full on 8, nothing on 4 and half on the rest. Is this correct?

I just finished building this last night. At first, the light would come on but I wouldn't get any sound and the opamp got a little warm after a while. I checked for possible traces on the board and took care of some places that looked like they could be the problem. It works now, but it just sounds like a really mellow fuzz. Any ideas?