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This might help: https://www.mrblackpedals.com/blogs/straight-jive/6629778-what-really-causes-switch-pop

Always the build doc. I should have pointed that out.

Yup. These rewards are pretty over the top. In a good way...

Merman doc is up. Available on 8.9.

Try ground the second input when not in use and see if that solves the problem.

How important is the 14k3 resistor values to be exact? If I don't have to order such an odd value it would be really swell. Would 15k work?

Yes, 15k or 14k would be fine.

I noticed that the 47uF low-ESR caps in the Mouser Project linked in the Switching Board doc are no longer in stock. So, I have added two alternates; a 10uF and 22uF. Both are low-profile and low-ESR. You can use either one but you don't need to order both values. The 47uF is still listed in the Mouser Project in case it does come back in stock anytime soon.

It looks like I transposed the voltages on the two sides of the HT8950. I'll get those corrected and updated later today.

I don't remember the exact circumstance which led to that but IIRC I didn't like the way the LED's behaved when the pots were wired as variable resistors (maybe as they are turned down some?? not sure). I agree it would be better to have at least some stopper resistors between the pots and ground. However, space was really limited on the board and pretty much all of the time those pots are going to be turned 2/3rd up or more to work well.  But you are right it's not ideal.

That means they are working correctly

Transit time was 11 days (if I had bought one, I mean).

Okay, so what I am going to do is offer both options since that seems to be the popular choice. However, the original switching is being re-designed with a few updates.

- It will include board mounted I/O jacks like the original.
- It won't require the "SM" style jack on the input or workaround for non-SM jacks.
- It will not have a mounted DC Jack - wired only.
- It will have a battery option (ugh, gross).
- It uses 1/4W resistors instead of 1/8W and 5mm caps instead of 2.5mm.

Out of curiosity, is the Supering still on track a release this month? I'm in the mood for some ethereal spacey goodness and it's intrigued me since last August.

I think it will be the first week of September. As is the case with 9/10 prototypes, just as I am about to finalize the design I think of something to add or a better way to do a thing. So, I'm going to run one more proto of it before finalizing. I'm improving the Dwell (feedback) control and I'm adding the ability to swell the reverb or feedback with a momentary switch. Plus maybe one other option for fun and games.

I'll probably run out of switching boards in October, so that presents an opportunity to change up the design a bit. I would like to have a board that does not require any hardware mounting of the jacks (my personal preference). Here's a possible way that could be done (pic below). It would require using Lumberg style 1/4" and DC jacks and there would be no battery option. The momentary switch can be wired directly to the PCB using bus wire to keep it secure. This design would also make it easier to put the projects in a 125B (and maybe the 1590BS) with top mounted jacks, if you want.

What do you guys think? Is this something you would like? Would it be better to do it this way, or have the option both styles (board mounted and non-board mounted)?

Thanks for all your hard work on this Brian.  I know you have been getting some flack about the Choral Reef availability, but you don't get thanked enough for making all this happen for everyone.

So thanks for all that you do for the community Brian!

Honestly, the real thanks needs to go to Peter. He's the one that made it possible. But, thank you all the same.