JSR-02 The Sjöström Super Regulator Click on the pictures to get a larger view. The component side. The pcb is rather small. Some background can be found in my SSR-01 project . This design is based on...

JSR-01 The Sjöström Super Regulator Click on the pictures to get a larger view. This design has been known at www.diyaudio.com and elsewhere and it has been bescribed thoroughly in couple of articles...

DCT-03 The DC trap, DC filter, high-end style, heavy duty Click on the pictures to get a larger view. Do you have an amplifier with a (sometimes) buzzing toroidal transformer? This DC trap or DC filte...