As the saying goes… it’s better late than never! Over past years there was quite an interest in the upgraded HPM-100 crossover featured in one of my articles. I was offering an assembly service...

I’m very happy to announce that I now offer cartridge optical and electrical analysis services! You can order them in my renewed shop. Landing page with most relevant information Quick primer and...

Well, it finally happened! After about two years of this site running without proper care and only with mandatory security updates, it finally died. They say long-term negligence never ends well—I...

Let me finish this year with some DHT madness. Why people are still in love with an electronic component that’s so primitive and really long extinct? Is this only because “we...

I’ve been working on this project on and off for a couple of years now. This is not counting all the “Tubization” experiments with CD players that goes as far back as I can remember. I have made a...

Finally found some time to finish documenting my USB measurement interface development story. Actually it was more like “it’s all I could do”. Serious summer heat-waves and heat-domes are running...

Last couple of months I had a deep dive into a wonderful world of mixed signal electronics. And now I know how deep the rabbit hole goes! I went through all this trouble to finally upgrade my...

This is crazy times we living. Some small set of RNA instructions tightly packed in a right container stopped whole world… But as saying goes: “Every bad situation will have something positive….”...

Last couple of weeks I was busy with upgrading my acoustical measurement kit. Lot’s of new and interesting (I hope) content. First, there is a main article “Measurement Microphones &...

Another story about unfortunate purchase of a friend of mine. It has all the right ingredients for a good novel. Unpretentious beginning, developing suspension, death of the hero and a sudden plot...