After about 2½ years, the amplifier is now is connected to the destined Isophon BS35 speaker set. My dreams of being able to listen to the real tube sound has been fulfilled. Read it all here: https://kaizerpowerelectronics.dk/audio/2x30w-el34-tube-amplifier/
30 Watt EL34 Stereo Tube Amplifier Done Read More »
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 IGBT bricks. It is tuned much better now and is giving a fair amount of spark length. I will need to spend more time tuning it for maximum output, but
Kaizer DRSSTC II – Upgraded and Kicking! Read More »
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 large expensive TV. Right to repair is not just that you can do it yourself. Right to repair is also about having the information on how to repair it, available
How to repair a LCD TV Read More »
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 transistor radio, having a capacitor across the AC terminals is not strange and will protect the circuit in some degree from surges on the power distribution network. But naming such
The Spark Killer! Read More »
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 should be able to make from common household items. Enjoy 🙂 http://kaizerpowerelectronics.dk/everyday-science/homopolar-motor/
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 time to draw them on the PC, for now they exist only on paper. Progress on the Isophon BS35 speakers is going smooth without problems. A TL494 inverter and current
Kaizer DRSSTC I, updated with schematics Read More »
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 to answer regarding all the different projects. I am happy to contribute to the hobby as others help me too 🙂 Thank you all and I have more projects to
30000 unique visitors in 20 months Read More »
Time is flying when life smiles at you and the sun shines on your path! Spare time to work on my projects have been shallow. Most of it went into building a pair of Isophon hi-fi speakers with restored units from the 1970’s. I will return with more projects aimed at beginners in the high
Isophon Speaker Progress Update #2 Read More »