DRSSTC III update #2

Due to a busy work year and not many days at home the progress with the large DRSSTC have been very limited. I have however …

6P45S tube amplifier prototype

I have completed building and initial testing of a new tube amplifier prototype using the Russian 6P45S tubes in the output stage. This prototype will …

TL494 flyback driver

It took some years and someone recently bumping up my old thread about this project for me to write up a article, find the pictures, …

DRSSTC III update #1

Being the lucky person to suffer from having a work, there is little time to maintain building on all the high voltages apparatuses. None the …

Royer induction heater – first test

This is the first test run of a royer induction heater running at 650 Watt, there is heavy voltage sag on the DC supply. The …