MMC calculator added to the online calculators

I have made a calculator for easily and quickly doing the initial design of the capacitor tank for SGTC, VTTC, DRSSTC and other Tesla coils …

2x 30 Watt EL34 tube amplifier done

After about 2½ years, the amplifier now is connected to the destined Isophon BS35 speaker set and fulfil my dreams of beig able to listen …

Kaizer DRSSTC II – upgraded and kicking!

After driving the small TO-247 IGBTs so hard that they eventually failed, I have now upgraded the half bridge with a couple of IXGN60N60C2D1 isotop …

Kaizer DRSSTC II – built, abused and broken

I made a small DRSSTC which only lasted a couple of runs before the TO-247 IBGTs have to give up. It gave a good 24 …

How to repair a LCD TV

In this article I show how I repaired a broken LCD TV. A few bad capacitors in the power supply is enough to ruin a …

The Spark Killer!

Salvaging electronics do not only work for supplying your hobby with cheap parts, also cheap laugh 🙂 Here is a on/off switch from a 1980’s …

Isophon BS35 speakerset complete

I have finished the speakerset built for my upcoming valve amplifier and you can read all about the construction in the article by following this …

homopolar motor

This morning I made the simple experiment first demonstrated by Michael Faraday in 1821, the homopolar motor. It is a simple electric motor that anyone …

Kaizer DRSSTC I, updated with schematics

I have uploaded the bridge section schematics for the Kaizer DRSSTC I Tesla coil. The driver section will have to wait for me to find …

30000 unique visitors in 20 months

The number of visitors coming to my site have been picking up in speed and results in a great number of comments, messages and emails …