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What did you select for volume control?
Tbh those artefacts are only there when not playing, and who expects a big muff to be quiet lol?

Oops. Typo - its a 100k pot

Ive revised the online BOM doc - good catch.
I swear I read that like 100 times....

Thanks for sharing that.
enjoy the build. 

Just a heads up my PCB is verified working now, and I am 99% confident in the component values. Someone with a real one checked them off.

A heads up, I have also tested various volume pots, and personally prefer the A100K
B10K works fine just gets LOUD fast, duh.

I imagine anything 10k or 100k would be fine, your preference.

Edit
Ok so i did a bit more testing. I think the A100k pot for volume sounds significantly preferable to my ears at least vs the 10k
This is a change in isolation, I didnt adjust anything else vs my redrawn schematic.

nice

Yeah but I wasnt really aware of that being a thing for "on-on" types. Colour me educated.
I was aware of it for on-off-on types....

For the avoidance of doubt, its this type

It's just a standard DPDT bypass switch

I don't know what you mean by type 2

As far as I was aware the only "types" when it comes to DPDT are in relation to three position lever types??

I posted a vero over at FSB

https://www.freestompboxes.org/download/file.php?id=48990&t=1

Here's what I was able to pick off from the drawings that are out there now.

[attach id=29038width=2000]BiglyMuffins.gif[/attach]

Yep that's the same as I've posted to FSB
So as the doctors say, I concur!

Good to know I was seeing the same stuff as you. I think it sounds pretty rad to be honest.

It's got this bass that is always felt below the fuzz. Kinda cool, definitely different enough to warrant exploring.

What are people thinking about the latest Big Muff out there ?
https://jhspedals.info/products/big-muff-2

JHS x EHX have put out a second collaboration, borne out of Bob Myers rotting garage.
The video is worth a watch, mostly to see how endearing Bob is and how unpretentious he is about everything.
https://www.youtube.com/watch?v=Ykqj6ccts5U&t=66s

Ive breadboarded the circuit as it appeared on the hand written notes and its pretty interesting.
Like a couple of the demo-ers on YT noted (example: https://www.youtube.com/watch?v=F9HjfNVVrS8), its strong on bass side and there is an undercurrent of fatness that I would say is almost omnipresent, with a middy-fuzz on top. You can hear that around 19 mins or so in the video - super interesting.

The sustain is pretty high from the offset, and adds some sizzle and hair as you up it. I wouldnt say the gain or for that matter the volume is in any way lacking. I played around with making the first gain (sustain) stage higher gain and didnt feel it was helpful. Even at max sustain now, you get some motorboarding artefacts - again seen in the video above around 18mins in.

Overall a fun addition to the lore of EHX Big Muff, not sure its that exciting to justify the $250 price point and I would have rather they did something more "out there", but maybe there is a more to come after they test the water with a low-barrier, high selling item like a fuzz/distortion.


Aside:

I decided to make a PCB for myself as an Xmas project because I cant justify buying new pedals right now, and having shared that a few people asked for one. I've therefore made a small pre-order for some standard 3pdt-type boards (rather than my own relay one) for sale. Let me know if you want to grab one.

Just checking in here to make sure firstly that by now everyone that ordered one received their PCBs?

Also, how are people getting on with populating / building this one?

Cool. I am looking forward to seeing how everyone tackles this build.

Hello folks


all PCBs are now spoken for. Thankyou for those who supported that, helps me cover the costs of doing about 8 PCBs on this (!)

I wanted to let you know that I made a rev with a SMD footprint for the LM13700 - so I can confirm that SMD part will work (obviously, with the rev in your hands you would need an adaptor PCB, but it will be viable).

Cheers

Howdy

Thanks for the nice message. I appreciate it a lot.