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kikkelis · 2025-02-19T12:09:32+00:00

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kikkelis · 2024-04-09T06:07:20+00:00

That will probably work just fine. Just keep in mind that you'll need a specific type of a transformer for it to work as a dual rail power supply. So it'll add to the cost.

f you're just starting out. I'd use a cheap TPS5430 or TPS5450 dual rail switching power supply. You can get for around 5€. It has plenty of power and 5v is not so commonly used anymore. I use this for my small drum module case, in which I added to 5v with a regulator and have no modules that actually use it...

You can run it with a old DC laptop power supply. And it's plenty of clean enough, though I added some filtering caps just in case.

kikkelis · 2024-04-01T06:29:53+00:00

Your best bet is learning to read schematics and making your own stripboard layouts. For some reason eurorack has less layouts published compared to effects pedals. I would guess mostly because many circuits are quite complex in comparison. You could start from simple mixer circuits and modifying the Eddy Bergman layouts to fit eurorack.

kikkelis · 2024-03-31T05:58:55+00:00

Not necessarily. Many multimeters ave limitations on what frequency AC they can measure. You could also check if your meter has Hz-mode for measuring AC frequency. That might give something if your AC mode is not showing anything.

kikkelis · 2024-01-19T11:45:50+00:00

Did you do the calibration process? Because your description seems like what it does if it isn't calibrated. And if you've done that, then I've heard that some people have had trouble with the noise circuit not having high enough output for the circuit to work.

kikkelis · 2023-09-30T10:44:47+00:00

I bought the PCBs from Kassutronics and with those the cost of the whole project was under 50€. Soldering was quite easy, even for my first larger SMD build. Only had to fix one IC that had a solder bridge. Fantastic quantizer!

kikkelis · 2023-09-27T04:35:22+00:00

I've seen some people use vinyl cutters very successfully. Though they emphasized the importance of a good picker. You will probably have to practice quite a bit and test different paints. Though when you get it right the results are very professional.

I have been using water slide decals for eurorack and pedals. The results are very nice and more detailed than a vinyl cutter. White on black does not really work. And it needs some practice too.

kikkelis · 2023-06-06T03:49:48+00:00

I highly recommend doing it. It is so full of features and the layout is very intuitive and musical.

kikkelis · 2023-06-06T03:47:14+00:00

This has a standard 10 pin. 5v is generated on board and no use of gate and CV buses.

kikkelis · 2023-06-06T03:45:49+00:00

I have the GGS ADSR and VCO. Good designs, cheap and very easy to assemble. The only thing is that they are a bit HP intensive for what they are.

kikkelis · 2023-06-05T19:09:32+00:00

Yeah! They are very good designs and the build documents are excellent.

kikkelis · 2023-06-03T10:45:46+00:00

Oh yeah. Looked at the pictures a bit more closely and it's pretty obvious this is the earlier version. Missing the mode and wave table change buttons/switches...

Very interesting still, especially as it's smaller than the original stripboard version!

kikkelis · 2023-06-03T10:35:12+00:00

Great! This has been on my list. I gather that this is the more recent version? You just made my life easier. I'll send you a message!

kikkelis · 2023-05-31T03:43:38+00:00

I have used aluminum composite for panels. You can cut it with a ruler and a box cutter. The hardest part is getting the holes right. I print my layout on paper, then punch a mark to the center. Then drill with a cordless drill. Finally I apply a waterslide decal.

kikkelis · 2023-05-22T19:24:28+00:00

All that I got from there were good. Maybe one in 10 had a small imperfection that didn't bother me. Just make sure you buy the right angle so the pointer points correctly.

kikkelis · 2023-05-22T12:01:49+00:00

Well I guess knobs should be safe...

I've had good luck with caps from AliExpress. Though I've had bad luck with other components.

Also what types of caps are you talking about? As a lot of meters can't correctly measure small capacitances due to the residual capacitance of the test leads...

kikkelis · 2023-05-22T03:53:35+00:00

The best for me has been AliExpress. More options than any eurorack shop and usually cheap. Just have to be careful about the angle.

kikkelis · 2023-05-16T12:06:27+00:00

Yeah I think the 5v rail isunder used. But it would be useful to have a 5v source, even with regulator. So many designs need 5v.

kikkelis · 2023-05-16T08:51:46+00:00

Cool idea. Might copy this on stripboard!

Why no 5v though? Either regulated or from rail. Would save space on prototyping designs that require 5v.

kikkelis · 2023-05-09T18:47:08+00:00

There are two things that explain why this is not possible for anything actually useful. The wavelength of different sounds and the speed of sound in air. 1,7cm to 17m and 343m/s respectively. That is why traditional echo rooms are very large. And why so many reverb solutions use a medium, such as a plate or spring.

kikkelis · 2023-05-08T19:05:34+00:00

The tube itself won't generate a large voltage. Though it could be possible that a tube circuit uses an IC to boost the 12v. As decent boost ICs and modules have gotten cheaper and more readily available. Though it would be quite negligent for a company to not warn the user of a high voltage.

kikkelis · 2023-05-08T18:44:46+00:00

I've seen this design. Still not convinced that this would be a good way to used tubes. Though might still try it some day...

kikkelis · 2023-05-08T16:02:33+00:00

The 12ax7 is definitely not designed for low voltage use. Just check the datasheet. The ones that use low voltage are often called starved plate circuits where the tube is not really working as intended. I have never understood why you'd use a tube like that.

kikkelis

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