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May I suggest a gravy-themed project?

"I just built the Madbean WarmGravyBoat, it's awesome!!" 

Consider it done.

Woohoo!!

May I suggest a gravy-themed project?

"I just built the Madbean WarmGravyBoat, it's awesome!!" 

I don't know if this helps or not... but Boss used to stand up lots of resistors.

This is a DM-2.

There are some more pics here (and text in Japanese): http://www.matsumin.net/diy/bunkai/BOSS_DM-2/index.html

Yes, it looks like you could just eliminate it. IC4 is there only for the second octave. Disconnecting IC4 from IC3 would not cause a problem.

You could also remove the parts in the second octave part of the circuit, C18, IC5, etc.

Cool! Your demos are always very well done. The way you have the texture control and the clipping set up is very interesting.

If you want something with a BCE pinout, try a 2sc828 or 2sc1815.

A while back someone posted on here that he was... taking a class where he was learning to write software that would read documents? ...something like that. Anyway, he tallied up all the components used in madbean projects. I couldn't find the thread but I saved this. It should give you some idea of what values are the most common:

That sounds fantastic. It's nice to see someone put this much thought into a reverb.

Very nice!!

Would love to see the insides.

Which transistors did you use?

2n5088, bc549, etc.

Very nice!! Looks like the whole thing was really well thought out, and it sounds great.


The hydro-dip finish looks awesome, too.

Very nice. I really like the artwork.

Seems to be ok now.

my username on the front page currently shows up as haberdasher, which imputes a level of skill and expertise that I just do not possess. When I click through to my profile, it shows my info though.

Yeah, I'm getting Aleph Null, but it seems to be my account:

Or visually verify what's written on the capacitor? (in which case, it's 35V)

Yes, that is what I was wondering. 35v is plenty.

I've also realised initially mixed up the placement of Q1 and Q2.  I thought they were identical components, but obviously one is a PNP and the other a NPN.  If I'm very fortunate, maybe nothing else will have blown, and getting replacement transistors in the *correct* place might solve the issue.  I'll order a spare TL072 while I'm at it, in case I've fried the IC too.

Yeah, that makes a big difference. Those transistors are apples and oranges.