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Exactly the kind of content I come to these forums for! Thank you.

Thank you! I just messed this up in a circuit, so this clarifies. What does the K stand for? A is Anode I assume. If K is Cathode, why did the industry not make it C?

Yeah, funny you should mention fuzzes. I put it in front of a Mastotron just now (my favorite fuzz) and it sounded massive. Good call.

thanks! Is there anything that could be modified in the circuit itself? Or is it already near-perfect?

I built a Rat (Muroidea) and I totally love it. But I’m wondering if there’s a way to get even more gain out of it? Like, insane amounts of gain? Basically I’d like current max to be at 1 or 2 o’clock. “This one goes to 11” kind of thing. An ultra-rat or king rat. I’m new to pedal building so...

I truly love my Blunderbuss (shown here, and rebranded as the Warg.) It's a Big Muff, but with lots of adjustability. Though the distortion can be heavy, it doesn't really get into gnarly velcro fuzz territory. It's smoother than that.

Fuzz War seems insane. Is there a pcb project out there for it?

Thanks! Is there an HM-2 pcb on this site?

What's the most interesting, sludgiest, or deepest fuzz PCB you've built from PedalPCB? I've already built the Algal Bloom (Plecostomus) clone and the Musket Clone (Blunderbuss), both of which are great. I've also built a Tone Bender MKII from Aion. I own a Zvex Mastotron and a SolidgoldFX...

It’s from Aion. Haven’t seen the original Rat schematic, just this one.

Are there other differences between a rat and turbo rat?

I'm building a RAT clone. The schematic calls out two 3 mm LEDs on the board itself at D8 and D9 (not as indicators on the enclosure.) Is that right?

I solved this one! As I suspected it was a bad Russian Ge Transformer. I got a batch of new ones from NTE and it now works great. It’s a huge sounding pedal, in a kind of old school dirt way. I don’t yet know how I’ll use it.

I'm thinking specifically of the gain trimmer on the Magnetron Delay. Seems like it would be useful to have a knob and adjust in real-time.

Thanks! B taper works—I'm a noob and didn't realize trimmers were normally B taper :)

If I wanted to add an internal trimpot to the face of pedal (instead of inside enclosure) is it just a matter of drilling the case and inserting a pot of the same value to the underside of the board? In this case, schematic calls for 100k trimpot. Could I use an A100K pot instead?

You're right! I attached to the wrong input jack lug. Thank you. Have switched it and now the thing is working beautifully.

I used black for positive and red for ground. But even if I had power reversed, wouldn't I still get a clean guitar signal when off? Or no?

Hi all, I put together this Ross Compressor clone from Aion Electronics. Tried to be super-deliberate and felt confident about it but....no signal. In the past, I've missed obvious things, so I'm hoping someone here can take a look. I'm also wondering if it's a power supply issue. I used a...

Wow, that would be amazing! I can return the favor somehow. Yeah, the only other Ge transistors I have around are matched NPN sets that I used for a Tone Bender MKII build.