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Buffers aren't NECESSARILY superfluous. Especially an output buffer after the volume control gives you consistently low output impedance compared to the usual volume knob configuration.

Not sure but having built the thing on vero previously, I couldn't be arsed again to test transistors that make it sound "good" or at least "correct".

It's not "just a tonebender" in this case but a circuit that emulates a tonebender using silicon transistors following a distinct topology and using not 3 but 4 transistors. The chances that JHS would come up with the exact same topology and values from engineering a fuzz to sound like his exact...

I might be tired but I'm getting a headache trying to make sense of this post, sorry. There's no tweaking/biasing/whatever required, you can drop the Boss discrete op amp into basically any existing circuit that uses IC op amps and it will behave like an op amp but, in fact, sound different. I...

With the rat you would usually go for LEDs as always on option and put either silicon or germanium/schottky diodes in parallel, which would "overrule" the LEDs, giving you 3 clipping options.

Actually, I'd be curious to actually build a fully discrete LM741 DOD250/Distortion+ just for the sake of it.

I'll stick with it: complex discrete op amps may not be worth it, but the boss style ones that require like 3 transistors, 3 resistors and a cap can be pretty cool for some applications. They are less compressed sounding and also clip nicer than ICs.

PCB number 676 is definitely not coincidence.

Played a waza one lately and it is actually pretty awesome. Custom mode takes out the bees and if you don't fuck up EQing it, it's a pretty awesome metal tone. If you can't make the waza one sound good. It's a skill issue.

This seems... odd? Schottkies in parallel with LEDs would basically make the LEDs useless anyway, as only the lower forward voltage drop diodes will clip.

@Robert so is it a part for part Klone with a Clipping switch?

Most likely it's an issue on your side but please list which exact ones, what issues and show pictures of your builds.

Unless your TL072s are some very weird kind of fake, they shouldn't be the issue. You either have something weird going on with your setup, or some kind of consistent build/component related issues. Could you by any chance post pictures of the populated PCBs of all thr pedals you mentioned?

Are you daisy chaining them or using a non isolated power supply?

Perfect for putting a big old silver mica cap there!

Well the Fusion one is just an IC based buff n blend...

Adding a blend to a complete circuit is often sort of an afterthought and the buff n blend is perfectly ok for that. But if you're designing a circuit from scratch, there's better options depending on what you want to achieve, just like I outlined when and where I'd use what sort of circuit...

I know about the Supreaux Deux. Just wondering whether this is literally just a Superbolt with fucked up biasing.

And if you bias it right it's a Superbolt?

To be "that guy", why not save yourself the trouble and just build it with the knobs? Without a trace nobody can tell you what the respective values were for the earlier version. Pots are usually also more durable and less prone to breaking mechanically than toggles. Plus maybe you find yourself...