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Now if we could just get a schematic...

I'd have to work up to it myself, having never traced anything more than a FF  I wonder how much it would cost for Robert over at PPCB to trace it... man works miracles. Or Brian. I'd gladly loan mine to either of them. Looks like only a 2-layer to my eyes. Weird grid-style ground plane, like VFE does.

@xvive MN3004 when

[G]

Nice! So it's the Greatest of All Tone then?

It's getting nice enough I should get out the laser again (no way in h*ck I'm doing that crap even in my garage...)

and another one!

https://www.premierguitar.com/reviews/pedals/gigahearts-mashed-voltaire-deluxe

I'm sure someone like scruffie would know, but I wonder if there's something going on in the rest of the chip contributing to the better SNR over the 3204, and other products in the line. It definitely sounds smoother than my buddy's BF.

The 3204 and 3004 appear to have a small difference in snr (75db vs 87db). Strange that for the same stage count the 3004 is a 14 pin with six not connected, mimicking the 3204's pin out (if you chopped those six off). More complex inner workings?

edit: no, different voltage reqs, for one thing. Nope. Sad.

Just got out in the mail today. Choooooooo this thing cooks! 

Came off of the box a bit crusty, but cleans up. Gonna have to hit it with some CRC and get the right pot lube, because it's unpleasant to touch...

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I did take off the foot knob covers, but there is is!

Nice! Is that no-film?

I've actually never built a breaker before. Got a demo of this one?

I wouldn't recommend using the rubber foot control pieces though. The pots are the Achilles's heal of these in that they have plastic shafts, and aren't easily sourced. Using a foot to turn them is a great way to snap them off.

I always wondered about those things... Never actually had an MXR with them still on there, so good to know!

Should be sold out now   I got it for $100 and shipping+tax

Groovy. I'll double check the datasheet to be extra care, but I'll give er a go.

So it's safe to say that almost every BBD-based modulation effect is my 'nemesis circuit' NO matter how meticulous I've been in builds, or how much I've tried cramming related analog circuit engineering into my skull.

I've been reading about BF-2 substitutions, and if I read Mark's comments correctly, one can drop-in a xx3204, but that if the clock is running at the same rate you treat it as if you have half the stages of the xx3207. This results in a tighter effect for flangers especially.

My question is if this can be done for chorus effects, or if it would just be terrible sounding?

working on my end 

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Good news! I'll have to check it out.