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I placed a JLC order yesterday and all went fine, then went to add another one today and was met with this. I guess I don't need those boards after all.

My libraries are in Altium so they're not compatible with Diptrace, but here's a snapshot of one of my BOMs that shows you what columns they're looking for and what format they like you to be in. For the sake of keeping costs down it's best to stick to "basic" parts instead of "extended", but...

I have a DC7 and a DC4. Tube pedals are my main thing and they take a ton of current, which many "brick-style" supplies can't handle. Cioks delivers a ton of current (660mA @9V per output) and it's low noise and reliable. And all that while still being slim and sexy so I can mount it under my...

This will be less expensive, smaller, and easier to build. Nobelium will have an EQ and a high-pass filter. As far as general "sounding good", I would put this right on par with Nobelium, it just doesn't have the hype.

I have a Cioks and a OneSpot, and an oscilloscope, just not free time :P Maybe I'll remember to pull it out in the next day or so and take some curiosity measurements.

Typically customs are calculated by line item, not by individual piece. So if your order is just 5 circuit boards that are identical, you should only be charged once for the order. Now if you have multiple designs in the order, you could potentially be charged for each one.

XL6019 is a step-up converter, not step down. If you're looking for a low noise way to step down to 5V I would strongly recommend something like L7805.

No. A buffer cannot handle the current you need. When we need clean power, we use things like linear regulators and filters, not buffers.

Did you look at the datasheet for the devices in question? What charge pump are you using and is it capable of delivering the required current? The bluetooth module says it will pull around 20mA from a 5V supply, not a huge deal. A typical charge pump should be able to run that. The amplifier...

Are these measurements taken with a pedal connected? SMPS often have very different output characteristics depending on the load on the output. I'm now curious enough to measure a couple of my supplies with and without a pedal connected.

Yup, what he^ said. There are other regulators out there that are "low-drop out" (LDO), but a linear regulator like this is only ever going to be a buck regulator, which means step-down. Regulators exist which are buck-boost, meaning they can take an input lower than the output or higher than...

They can be clipped off and aren't needed for anything but stability, but if your design is so densely packed that you absolutely have to do that to make it fit, are you even going to be able to get your fingers in there to turn the pots?

That's incredibly conservative (and based on a 12.6V supply, they will pull less on a 9V supply). Heaters can get warmed up with less margin from operating current, it just takes a little longer. Since these use an SMPS for the HV supply we're pulling everything from a 9V rail, so this doesn't...

Drill template is done, I'll throw together an artwork file then get everything up on the website and open ordering for Steddi Go. I'm going to have to limit stock as I'm a little low on XLR Daughter PCBs, so I'm waiting for my reorder of those to show up next week. Unagi transformers will...

Yeah it would probably be helpful to at least give estimates for mine, I can start getting those together. My general (conservative) rule of thumb would be to start with 300mA for the high-voltage supply and add 200mA per tube. So something like a Particle Accelerator would be 500mA, Black Eye...

I have the drill template almost finished for this, I'll grab the last of the coordinates tomorrow and get an artwork file put together as well. After that I guess you'll be wanting a build doc. A quick note, the D.I. PCB in this is a little tall for a 1590BB, so I'm going to recommend this in...

When I ship things I absolutely have that option, but my customers typically complain about the speed so they spend a little more rather than having it take 3 weeks to get to Canada, 6-8 weeks to get to Europe, and the record so far of 3 months to get to Australia.

Yup if you refuse to pay it the shipment gets returned. I haven't really looked into this for the US yet, but one of my Canadian customers recently bought a $400 pedal from me and UPS was trying to charge him something like $150 in brokerage fees. He ended up calling the customs office himself...

A fair point, yup. I would hope the brokerage fees would scale proportionally to the customs duties paid, so they would be negligible on small shipments, but that may not be the case.

I doubt you'll be seeing brokerage fees on orders like that. I think I've only had the "no customs duties but brokerage fees anyway" things once, and only with UPS, and it was on a ~$500 order.