I and Sigurd Ruschkowski at www.coset.se have developed a series of adapters for Svalander Audio and the documention can also be found there. I claim this: They are the best in the world! Prototypes w...

The DIY thing started in 1996 when I worked overtime around Christmas and as a compensation I've got a prototype series for my audio DAC. Nearly three decades has gone now and more projects has been c...

Design rules Click on the picture to get a larger view. The QRO Amplifier built by Per Hägglund, Sweden Audiophilic statement There are lot of guys out there who are extreme, weird or crazy, call it w...